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SbyS Behavioral Sci

QuestionAnswer
Are hallucinations common in narcolepsy patients? Yes. Both hypnagogic (just before sleep) and hypnopompic (with awakening) are both common.
Define cataplexy. Sudden collapse (falls asleep) while awake.
Define sleep apnea. Person stops breathing for at least 10 seconds during sleep.
Distinguish between central and obstructive sleep apnea. "In central sleep apnea, there is no respiratory effort. In Obstructive sleep apnea, there is respiratory effort against airway obstruction."
Does narcolepsy have a genetic component? Yes. Studies have shown a strong genetic component of narcolepsy.
Does REM sleep increase or decrease with age? Decreases
Extraocular movements during REM sleep are due to what portion of the brain? Parapontine Reticular Formation/Conjugate Gaze Center
How often does REM sleep occur? Every 90 minutes (duration may increase during the night)
Name 1 neurotransmitter change associated with Alzheimer's disease. Decreased Ach
Name 1 neurotransmitter change associated with Parkinson's disease. Decreased Dopamine
Name 1 neurotransmitter change associated with Schizophrenia Increased Dopamine
Name 2 effects of stress on the body. "1. Induces production of FFA, 17-OH corticosteroids, lipids, cholesterol, and catecholamines 2. Affects water reabsorption, muscular tonicity, gastrocolic reflex, and mucosal circulation."
Name 2 neurotransmitter changes associated with depression. Decreased NE and serotonin (5-HT)
Name 2 neurotransmitter changes associated with Huntington's disease. Decreased GABA and Ach
Name 3 changes in sleep stages often found in people with depression. 1. Reduced slow-wave sleep 2. Decreased REM latency 3. Early morning awakening (important screening question)
Name 3 possible findings in non-REM sleep. "Sleepwalking, night terrors, and bedwetting"
Name 4 physiological actions found in REM sleep. "Increased/variable pulse, rapid eye movements, increased/variable blood pressure, and penile/clitoral tumescence"
Name 5 possible findings in REM sleep. "Dreaming, loss of motor tone, possible memory processing function, erection, and increased brain 02 use"
Name 5 possible waveform patterns seen in the various sleep/wake stages. "Alpha, Beta (highest frequency, lowest amplitude), Theta, Delta (lowest frequency, highest amplitude), Sleep spindles with K-complexes"
Name 7 functions of the frontal lobe. "Concentration, Orientation, Language, Abstraction, Judgment, Motor regulation, Mood"
Name a possible chronic outcome of sleep apnea. Chronic fatigue
Name five findings associated with sleep apnea. "Obesity, loud snoring, systemic/pulmonary HTN, arrhythmias, and possibly sudden death."
What 3 things does the differential diagnosis for sexual dysfunction include? "1. Drugs (e.g. antiHTN, neuroleptics, SSRIs, and ethanol) 2. Diseases (e.g. depression and diabetes) 3. Psychological (e.g. performance anxiety)"
What is a common treatment for narcolepsy? Stimulants (e.g. amphetamines)
What is a helpful mnemonic for the order of the corresponding waveform patterns in each stage of sleep? "At night, BATS Drink Blood."
What is considered the key to initiating sleep? Serotonergic predominance of the raphe nucleus
What is narcolepsy? Person falls asleep suddenly
What is the most notable change in function in a frontal lobe lesion? Lack of social judgment
What is the principal neurotransmitter involved in REM sleep? Ach
What medication shortens stage 4 sleep and can be used to treat enuresis? Imipramine
What medication shortens stage 4 sleep and is useful in the treatment of night terrors and sleepwalking? Benzodiazepines
What neurotransmitter can reduce REM sleep? NE
What percentage of time is spent in REM sleep? 0.25
What percentage of time is spent in stage 1 sleep? 0.05
What percentage of time is spent in stage 2 sleep? 0.45
What percentage of time is spent in stage 3-4 sleep? 0.25
What phenomenon caused REM sleep to be known as 'paradoxical' or 'desynchronized' sleep? The EEG pattern during REM sleep is the same as the EEG of a person that is awake and alert.
"What waveform pattern is seen in a young adult who is awake (eyes open), alert, and has active mental concentration?" Beta waves
What waveform pattern is seen in a young adult who is awake but has his/her eyes closed? Alpha waves
What waveform pattern is seen in a young adult who is in deeper (stage 2) sleep? Sleep spindles and Kcomplexes
What waveform pattern is seen in a young adult who is in light (stage 1) sleep? Theta waves
What waveform pattern is seen in a young adult who is in REM sleep? Beta waves
"What waveform pattern is seen in a young adult who is in the deepest, Non-REM (stage 3-4) sleep? " Delta waves
A person who is unable to remember things that occurred after a CNS insult has…? Anterograde Amnesia
Anterograde amnesia caused by thiamine deficiency? Korsakoff's amnesia
Are DT's life threatening? Yes
Are the illness production and motivation in somatoform disorders consicous drives? No
Bipolar I describes? manic
Bipolar II describes? hypomanic
Define a Manic episode. "Distinct period of abnormally and persistently elevated, expansive, or irritable mood lasting at least 1 week"
Define a panic disorder. Discrete period of intense fear and discomfort peaking in 10 minutes with 4/5 characteristics
Define Anosognosia. being unaware that one is ill
Define Autotopagnosia. Being unable to locate one's own body parts
Define Conversion disorder. "symptoms suggest motor or sensory neurologic or physical disorder, but tests and PE are negative"
Define depersonalization. body seems unreal or dissociated
Define Personality disorder "when patterns become inflexible and maladaptive, causing impairment in social or occupational functioning or subjective distress"
Define Personality trait. "an enduring pattern of perceiving, relating to, and thinking about the environment and oneself that is exhibited in a wide range of important social and personal contexts"
Delusions are…. false beliefs not shared by other memebers of culture/ subculture that are firmly maintained in spite of obvious proof to the contrary
Describe a Paranoid Personality distrustful and suspicious; projection is main defense mech
Describe a Schizoid Personality. voluntary social withdrawl; no psychosis; limited emotional expression
Describe a Schizotypal Personality. "interpersonal awkwardness, odd thought patterns and appearance"
Does the person who has the phobia recognize their fear as excessive? "yes, they are exhibiting insight"
Does the phobic fear interfere with normal routine? yes
Hallucinations are…. perceptions in the absence of external stimuli
How are Cluster A personalities described? as odd or ecentric; cannot develop meaningful social relationships; Weird
How are Cluster B personalities described? "Dramatic, emotional, or erratic; Wild"
How are Cluster C personalities described? "Anxious and fearful, 'Worried'"
How is a major depressive disorder characterized? Recurrent-requires 2 or more depressive episodes with a symptom free interval of 2 months
How is a major depressive episode characterized? "5 of the following for 2 weeks, including (1) depressed mood or (2) anhedonia: Sleep disturbances, Loss of Interest, Guilt, Loss of Energy, Loss of Concentration, Change in Appetite, Psychomotor retardation, Suicidal ideation, Depressed mood"
How is maladaptive pattern of substance abuse defined? 3 or more of the above signs in 1 year
How is Schizophrenia described? "periods of psychosis and disturbed behavior lasting >6months, "
How long does the disturbance due to PSSD last? > 1 month and causes distress or social/ occupational impairment
How many criteria sets exist for bipolar disorder? "6 separate criteria exist for bipolar disorders with combinations of manic, hypomanic, and depressed episodes"
How many hallucination types are there? Name them. "7; Visual, Auditory, Olfactory, Gustatory, Tactile, Hypnagogic, Hypnopompic"
How many heroin addicts are there in the US? "~500,000"
How would you decribe a dependent personality? "submissive and clinging, excessive need to be taken care of, low self-confidence"
How would you decribe an obsessive-compulsive? "preoccupation with order, perfectionism and control"
How would you describe a Borderline personality? "unstable mood and behavior; impulsive, sense of emptiness"
How would you describe a histrionic personality? "excessive emotionally, somatization, attention seeking, sexually provocative"
How would you describe an Antisocial? "as having a disregard for and violation of rights of others, criminality"
How would you describe an avoidant personality? "sensitive to rejection, socially inhibited, timid, feelings of inadequacy"
How would you desribe a Narcissistic personality? "grandiosity; sense of entitlement, many demand 'top' physician/best health care"
"If a patient consciously fakes or claims to have a disorder in order to attain a specific gain, how is this behavior described?" Malingering
Illusions are…. "misinterpretation of actual external stimuli, ex. Mistaking coat rack for man"
In what kind of disorder does a person consciously create symptoms in order to assume a sick role and get medical attention? Factitious Disorder
Is Heroin prescribable? "NO, it is schedule I (ie. not prescribable)"
Is the motivation concious in Munchausen's by proxy? NO
Name the 5 subtypes of schizophrenia. "Disorganized, Catatonic, paranoid, Undifferentiated, Residual"
Name the types of Cluster B personalities. "Antisocial, Borederline, Histrionic, Narcissistic"
To be a manic episode what characteristic behaviors must be present? "3 or more of the following: Distractibility, Insomnia, Grandiosity, Flight of Ideas, Inc in Activity/pyschomotor agitation, Pressured Speech, Thoughtlessness"
Whar are the signs of barbituate withdrawl? "Anxiety, seizures, delirium, life-threatening CV collapse"
Whar are the signs of nicotine withdrawl? "Irritablility, headache, anxiety, weight gain, craving, tachycardia"
Whare are the 4 A's of schizophrenia? "Ambivalence(uncertainty), Autism(self-preoccupation and lack of communication), Affect(blunted), Associations (loose)"
Whare are the characteristics of Dementia? "development of mulitple cognitive deficits: memory, apahasia, apraxia, agnosia, loss of abstract thought, behavioral/personality changes, impaired judgement"
Whare are the signs of Benzodiazepine intox? "Amnesia, ataxia, somnolence, minor resp depression"
Whare are the signs of caffeine intox? "restlessness, insomina, increased diuresis, muscle twitching, cardiac arrhythmias"
Whare are the signs of Marijuana intox? "Euphoria, anxiety, paranoid delusions, perception of slowed time, impaired jugdment, social withdrawl, increased appetite, dry mouth and hallucinations"
Whare are the signs of PCP intoxication? "Belligerence, impulsiveness, fever, psychomotor agitation, vertical and horizontal nystagmus, tachycardia, ataxia, homicidality, psychosis and delirium"
What are 2 opioid comptetitive inhibitors? Naloxane and Naltrexone
What are some common causes of delirium? substance use/abuse or medical illness
What are some related diagnoses of Heroin addicts? "Hepatitis, abscesses, OD, hemorrhoids(reason enough to shy away), AIDS, and rightsided endocarditis"
What are the 5 characteristics of panic? "Palipitations, Abdominal distress, Nausea, Increased perspiration, Chest pains, chills and choking"
What are the 6 somatoform disorders? "conversion, somatoform pain disorder, hypochondriasis, somatization disorder, body dysmorphic disorder, pseudocyesis"
What are the characteristics of Delirium? "Decreased attention span and level of arousal, disorganized thinking, hallucinations, illusions, misperceptions, disturbance of sleep-wake cycle, cognitive dysfxn"
What are the etiologic factors for schizophrenia? "genetics and environment, genetics outweigh env"
What are the maladaptive signs of substance use?
What are the negative symptoms of schizophrenia? "flat affect, social withdrawl, thought blocking, lack of emotion"
What are the Positive symptoms of Schizophrenia? "Hallucinations, delusions, strange behavior and loose associations"
What are the signs of alcohol use? "Disinhibition, emotional lability, slurred speech, ataxia, coma, blackouts"
What are the signs of alcohole withdrawl? "Tremor, Tachycardia, HTN, malaise, nausea, seizures, delirium tremens, tremulousness, agitation, hallucinations"
What are the signs of Amphetamine intoxication? "Psychomotor agitation, impaired judgement, pupillary dilation, HTN, tachycardia, euphoria, prolonged wakefulness and attention, cardiac arrhythmias, delusions, hallucinations, fever"
What are the signs of Amphetamine withdrawl? Post-use crash, including anxiety, lethargy, headache, stomach cramps, hunger, severe depression, dysphoric mood, fatigue, insomnia/ hypersomnia
What are the signs of Barbiutate intox? respiratory depression
What are the signs of benzo withdrawl? "Rebound anxiety, seizures, tremor, insomnia"
What are the signs of caffeine withdrawl? "Headache, lethargy, depression, weight gain"
What are the signs of cocaine intoxication? "Euphoria, psychomotor agitation, impaired judgment, tachycardia, pupillary dilation, HTN, hallucinations (including tactile:bugs on skin), paranoid ideations, angina, and sudden cardiac death"
What are the signs of cocaine withdrawl? "Hypersomnolence, fatigue, depression, malaise, severe craving, suicidality"
What are the signs of LSD intoxication? "Marked anxiety and depression, delusions, visual hallucinations and flashbacks"
What are the signs of narcotic abstinence syndrome? "dilated pupils, lacrimation, rhinorrhea, sweating, yawning, irritability, and muscle aches"
What are the signs of opioid intoxication? "CNS depression, nausea and vomiting, constipation, pupillary constriction, seizures"
What are the signs of opioid withdrawl? "Anxiety, insomnia, anorexia, sweating/piloerection(cold turkey), fever, rhinorrhea, nausea, stomach cramps, diarrhea, flu-like symptoms, yawning"
What are the signs of PCP withdrawl? "Recurrence of intoxication symptoms due to reabsorption in GI tract, sudden onset of severe, random, homicidal violence"
What are the symptoms of DT's(in order of appearance)? "ANS Hyperactivity (tachycardia, tremors, and anxiety), Psychotic symptoms (hallucinations, delusions), confusion"
What are the symptoms of nicotine intoxication? "Restlessness, insomnia, anxiety, arrhythmias"
What are the types of Cluster A personalities? "Paranoid, Schizoid, Schizotypal"
What are the types of Cluster C personalities? "Avoidant, ObsessiveCompulsive, Dependent"
What are treatment options of phobias? systematic desensitization
What can be confused with dementia in elderly? depression
What complication result from ECT? complications associated with anesthesia and retrograde amnesia
What does exposure to object of phobia evoke? an anxiety response
What drug is used for long term maintenance of heroin detox? Methadone
What else is classically associated with Korsakoff's? "Confabulations, ie. Making it up as you go along"
What is a hallmark sign of heroin addiction? track marks
What is a Hypomanic Episode? it is like a manic episode except mood disturbance is not severe enough to cause marked impairment in social and/or occupational functioning or to necessitate hospitalization; no psychotic features
What is a pain somatoform disorder? pain that is not explained completely by illness
What is a phobia? "fear that is excessive or unreasonable, cued by the presence or anticipation of a specific object or entity"
What is a schizoaffective disorder? a combo of schizophrenia and a mood disorder
What is a somatization disorder? Varitey of complaints in multiple organ systems
What is Cyclothymic disorder? milder form of bipolar lasting at least 2 years
What is dementia characterized by? commonly irreversible memory loss
What is destroyed in Korsakoff's Amnesia? Mamillary bodies(bilaterally)
What is drug of choice for bipolar? Lithium
What is Dysthymia? milder form of depression lasting at least 2 years
What is Electroconvulsive Therapy(ECT)? a tx option for major depressive disorder refractory to other tx. It is painless and produces a seizure with transient memory loss and disorientation.
What is Hypochondriasis? "misinterpretation of normal physical findins, leading to preoccupation with and fear of having a serious medical illness in spite of medical reassurance"
What is it called when a parent causes their child to become ill in order to receive attention? Munchausen's by proxy
What is post-traumatic stress disorder? when a person experienced or witnessed an event that involoved actual or threatened death or serious injury. The traumatic event is reexperienced; person persistently avoids stimuli associated with the trauma and experiences persistent symptoms of increas
What is primary gain? what the symptom does for the patient's internal psychic economy
What is retrograde amnesia a complication of? ECT-electroconvulsive therapy(shock)
What is secondary gain? What the symptoms gets the patient(sympathy or attention)
What is tertiary gain? what the caretaker gets
What is the criterion for dx of substance abuse? "One or more of the following in 1 year: Recurrent use resulting in failure to complete responsiblities, recurrent use in physically hazardous situations, recurrent legal problems, continued use in spite of persistent problems of use"
What is the definition of substance abuse? "maladaptive pattern of use leading to clinically significant impairment or distress, symptoms have not met criteria for dependence"
What is the difference between delusions and loos associations? delusion is a disorder in the content of thought(the actual idea) where a loose association is a disorder in the form of thought(the way the idea is tied together)
what is the fear of heights? acrophobia
what is the fear of marriage? gamophobia
what is the fear of open places? agoraphobia
what is the fear of pain? algophobia
What is the Fifth A? Auditory hallucinations
What is the inability to remember things that happened before CNS insult? Retrograde Amnesia
What is the key to delirium diagnosis? Waxing and waning level of conciousness that develops rapidly
What is the key to dementia diagnosis? "rule out delirium-patient is alert, no change in level of conciousness. More often gradual onset. "
What is the lifetime prevalence for Major Depressive Disorder in Males and Females: "13% for males, and 21% for females"
What is the lifetime prevalence for schizophrenia? "1.5%-(males/females, blacks/whites) presents earlier in men"
What is the most common psych illness on medical and surgical floors? "Delirium, often reversible"
What is the order of loss or orientation? "Time, place, and Person"
What is the response to the traumatic event? "intense fear, helplessness or horror"
What is the trigger for DT's? alcohols withdrawl
What patient population will you see Korsakoff's? Alcoholics
What questions do you have to answer when assessing an patient's orientation? Is the patient aware of him/ herself as a person? Does the patient know his/her name?
What syndrome is manifested by a chronic history of multiple hospital admissions and willingness to receive invasive procedures? Munchausen's
Whate is body dysmorpic disorder? patient is convinced that part of one's own anatomy is malformed
Whate is pseudocyesis? false belief of being pregnant associated with objective signs of pregnancy
When are the halluinations common? "Visual(acute organic brain syndrom), Auditory (Schizophrenia), Olfactory(aura of psychomotor epilepsy), Gustatory (rare), Tactile(DT's and Cocaine abusers), Hypnagogic(while going to sleep), Hypnopmpic(while waking from sleep)"
When do DT's peak? 2-5 days after last drink
When must a painc disorder be dx? in the context of the occurrence
"Who are more likely to be antisocial, male or female?" male
"Who are more likely to be borderline, male or female?" female
Who do you need to see to witness caffeine withdrawl approx every six weeks? Blake Williams
Define Autonomy. Obligation to respect pts as individuals and to honor their preferences in medical care
"Legally, what does informed consent require?" "- discussion of pertinent information- obtaining the patient's agreement to the plan of care- freedom from coercion"
Pt autonomy vs. beneficence: when does autonomy win out? "If pt makes an informed decision, ultimately, the pt. has the right to decide."
What 3 proofs are required for a sucessful malpractice civil suit for neglegence? "- Dr. breach of duty to patient- pt. suffers harmbreach of duty causes harm Note--beyond reasonable doubt not needed, just more likely than not"
What are the 4 exceptions to confidentiality? "- potential harm to others is serious- likelihood of harm is great- no alternative means exist to warn or to protect those at risk- Drs. Can take steps to prevent harm"
What are the 4 exceptions to informed consent? "- pt. lacks decision-making capacity (not letally competent)implied consent in an emergencytherapeutic privelege-withholding information when disclosure would severly harm the pt or undermine informed decision-making capacitywaver--pt. waves "
What are the 5 signs of a pt's decision-making capacity? "- pt. makes and communicates a choice- pt. is informed- decision remains stable over time- decision consistent w/ pt's values and goals- decision not a result of delusions or hallucinations"
What are the types of written advance directives? "- LIVING WILLS--pt. directs Dr. to withhold/withdraw lifesustaining tx if the pt develops terminal disease or enters a persisitent vegative stateDURABLE POWER OF ATTORNEY-pt designates a surrohate to make medical decisions in an event pt. loses deci"
What is beneficence? Dr. have special ethical responsibility to act in the pt's best interest. Pt. autonomy may conflict with beneficience
What is confidentiality? Confidentiality respects pt. privacy and autonomy. Disclosure to family and friends should be guided by what pt. would want. Pt can waive right to confidentiality (i.e. to insurance co.)
What is nonmaleficence? "Do no harm. But, if benefits of intervention outweigh risks, pt may make an informed decision to proceed."
What must patients understand in informed consent? "- risks- benefitsalternatives, which includes no intervention"
When is an oral directive valid? "Incapacitated patient's prior oral statements commonly used as guide, but problems arise from variance in interpretation. if pt was INFORMED, directive is SPECIFIC, pt. MAKES A CHOICE and decision is REPEATED over time, the oral directive is more valid."
At what ages does sexual abuse in children peak? 9 to 12 years of age
At what time (minutes after birth) do you run an APGAR score? "after 1 min. and 5 min., score 0-2 in 5 categories (10 is perfect score)"
Define low birth weight less than 2500g
Irreversible changes of long term deprivation of affection occurs after how long? 6 months
Physical abuse in children leads to how many deaths in the U.S.? ~3000 deaths/yr.
What are evidence of physical abuse in children? "- healed fractures on x-raycigarette burns- subdural hematomas- multiple bruises- retinal hemorrhage or detachment"
What are evidence of sexual abuse in children? "genital/anal trauma, STDs, UTIs"
What are the 5 changes in the elderly? "1. sexual changes: sexual interest does NOT decrease (men: slower erection/ejaculation, longer refractory period; women: vaginal shortening, thinning, dryness) 2. sleep patterns: decreased REM, decreased slowwave sleep, increased sleep latency, increase"
What are the 5 components of the APGAR score at birth? "- A= Apperance (color)- P= Pulse- G= Grimace (reflex irritability)- A= Activity (muscle tone)- R= Respiration"
What are the 7 effects of long-term deprivation of affection? "1. Weak 2. Wordless 3. Wanting (socially) 4. Wary (lack trust) 5. Weight loss 6. anaclitic depression 7. physical illness [Hint: 5 W's and 2 more]"
What are the development milestones at about 3 years old in preschool? "- group play- rides tricyclecopies line or circle drawing"
What are the development milestones at about 4 years old in preschool? "- cooperative play- simple drawings (stick figure)- hops on 1 foot"
What are the developmental milestones at about 12-14 months old in infancy?
What are the developmental milestones at about 15 months old in infancy? "- walking- few wordsseparation anxiety"
What are the developmental milestones at about 3 months old in an infant? "- holds head up- social smile- Moro reflex disappears"
What are the developmental milestones at about 4-5 months old in an infant? "- rolls on back- sits when propped"
What are the developmental milestones at about 7-9 months old in infancy? "- stranger anxiety- sits alone- orients to voice"
What are the developmental milestones during adolescence? "- abstract reasoning (formal operations)- formation of personality"
What are the developmental milestones during the schoolage years (6-11y/o)? "- development of conscience (superego)- same-sex friends- identification with same-sex parent"
What are the Kubler-Ross dying stages? "Denial-Anger-BarganingGrieving-Acceptance, don't occur necessarily in this order [Hint: Death Arrives Brining Grave Adjustments]"
What are the risks of low birth weight? "assoc. w/ gtr. Incidence of physical and emotional problems. Complications include:- infectionsrespiratory distress syndrome- necrotizing entercolitis- persistent fetal circulation"
What can cause regression to younger behavior in children? "Stress:- physical illnesspunishment- birth of new sibling- tiredness"
What causes low birth weight? prematurity or intrauterine growth retardation
What is anaclitic depression? depression in an infant owing to continued separation from caregiver--can result in failure to thrive. Infant becomes withdrawn and unresponsive
What is grief? "normal bereavement characterized by shock, denial, guilt, and somatic symptoms, Typically lasts 6mo. to 1yr."
What is pathologic grief? "includes excessively intense or prolonged grief or grief that's delayed, inhibited, or denied"
What is the result of severe long-term deprivation of affection? death
When can a child parallel play? "Toddler, 24-48 months old"
When does a child achieve core gender identity? "Toddler, 24-36 months old"
When does a child achieve object permanence? "Toddler, 12-24 months old"
When does a child achieve rapprochement? "Toddler, 18-24 months old"
When does a child become toilet trained? "Preschool, 30-36 months old"
When is adolescence for boys and for girls? "Boys: 13 years old Girls: 11 years old"
Who is usually the abuser in physical abuse in children? female primary caregiver
Who is usually the abuser in sexual abuse in children? "known to victim, usually male"
Case-control studies are often? Retrospective (case control)
Characteristics of a normal statistical distribution? Gaussian = Bell Shaped ( mean=median=mode )
Country with highest divorce rate U.S.
Define a bimodal distribution Peaks on either side of the median
Define a Meta-analysis Pooling data from several studies to achieve greater statistical power
Define a negative skew Asymmetry with the tail on the left (mean<median<mode)
Define a positive skew Asymmetry with the tail on the right (mean>median>mode)
Define Accuracy The trueness of test measurements
Define Alternate Hypothesis Hypothesis that there is some difference
Define Coefficient of Determination r^2 (Correlation coefficient squared)
Define Correlation coefficient (r ) Always between -1 and 1. Absolute value indicates the strength of correlation.
Define Negative Predictive Value Number of true negatives / number that tested neg. for disease
Define Positive Predictive Value "Number of true positives / number that tested pos. for disease or the prob. Of having a condition, given a pos. test"
Define Precision "The consistency of a test (reliability), absence of random error"
Define Primary Disease Prevention "Prevent occurrence, e.g., vaccination"
Define Relative Risk Disease risk in exposed group / disease risk in unexposed group; a/a+b / c/ c+d
Define Reliability Reproducibility of a test; repeat measurements are the same
Define Secondary Disease Prevention "Early detection of disease, e.g., Pap smear"
Define SEM Standard Error of the Mean; standard deviation / square root of n (sample size)
Define sensitivity Number of true positives / all people with disease
Define specificity Number of true negatives / number of all people w/o the disease
Define Tertiary Disease Prevention "Reduce disability form disease, e.g. insulin for diabetics"
Define the Power of a study Probability of rejecting a null hypothesis when it is false
Define Validity Whether a test truly measures what it purports to measure; the appropriateness of a test
Do divorcees remarry frequently? Yes
How do disease prevalence and positive predictive value relate? Higher prevalence = Higher Positive Predictive Value
How do prevalence and incidence relate to disease length? P>I for chronic diseases; P=I for acute diseases
How do SEM and Standard Deviation relate? "SD > SEM; as n increases, SEM decreases"
How do you measure the 'power' of a study or the probability that the study will see a difference if one exists? 1-beta
How does alpha relate to the Type I error? "It is the probability of making a Type I error, is equal to p (p is usually <.05)"
How does beta relate to the Type II error? Beta is the probability of making a Type II error
How many people >65 "35,000,000 (approx. 13%)"
"If the 95% confidence interval for OR of RR includes 1, what does this mean?" That the study is inconclusive
In what age group will the greatest population increase be seen in? Those >85
Increasing sample size will affect the Power of a study how? By increasing the Power
Is divorce related to industrialization? No
Is HIV positivity a reportable disease? No
Marriages at high risk "Teenage marriages, Mixed religions, Low socioeconomic status"
Memory aid for Medicare/ Medicaid MedicarE=Elderly; MedicaiD=Destitute
Preventive services needed for Alcoholism "Influenza, pneumococcal immunizations; TB test"
Preventive services needed for Diabetes "Eye, foot exams; Urine test"
Preventive services needed for Drug Abuse "HIV, TB tests; hepatitis immunization"
Preventive services needed for High-risk sexual behavior "HIV, Hep B, syphilis, gonorrhea, chlamydia tests"
"Preventive services needed for Homeless, Refugee, or Immigrant" TB test
Preventive services needed for Obesity Blood glucose test
Random error yields poor? Precision
Relative Risk is used for what kind of study? Cohort
Systematic error yields poor? Accuracy
U.S. population in 2000 "300,000,000"
"Unlike specificity and sensitivity, what are predictive values dependent on?" Prevalence of disease in the population
What are risk factors for suicide? "White, male, alone, prior attempts, presence and lethality of plan, medical illness, alcohol or drug use, on 3 or more prescription meds."
What are the leading causes of death in AGE 1-14? "Injuries, cancer, congenital anomalies, homicide, heart disease"
What are the leading causes of death in AGE 15-24? "Injuries, homicide, suicide, cancer, heart disease"
What are the leading causes of death in AGE 25-64? "Cancer, heart disease, injuries, stroke, suicide"
What are the leading causes of death in AGE 65+? "Heart disease, cancer, stroke, COPD, pneumonia"
What are the leading causes of death in INFANTS? "Congenital anomalies, SIDS, short gestation, respiratory distress syndrome, maternal complications during pregnancy"
What are the most common surgeries? "Dilation and curettage, hysterectomy, tonsillectomy, sterilization, hernia repair, oophorectomy, cesarean section, cholecystectomy"
What are the reportable diseases? "AIDS, chickenpox, gonorrhea, hepatitis A and B, measles, mumps, rubella, salmonella, shigella, syphilis, and tuberculosis"
What does a t-test check? The difference between two means (Mr. T is mean)
What does an ANOVA analyze? Variance of 3 or more variables (Analysis of Variance)
What does SAD PERSONS represent? "Sex (male), Age, Depression, Previous attempt, Ethanol, Rational thought, Sickness, Organized plan, No spouse, Social support lacking"
What factors influence the Power of a study? 1)The total
What is a case-control study? Observational study. Sample chosen based on presence or absence of disease. Info collected about risk factors.
What is a Clinical trial? Experimental study. Compares benefit of 2 or more treatments.
What is a Cohort study? Observational study. Sample chosen based on presence or absence of Risk Factors. Subjects followed over time for disease development. (Framingham study)
What is a memory key for suicide risk factors? SAD PERSONS
What is a Null Hypothesis? "Hypothesis of no difference, e.g., no assoc. between disease and risk factor"
What is a pitfall of Metaanalysis? Cannot overcome limitations of individual studies or bias in study selection
What is a Type I error (alpha)? Stating that an effect of difference exists when one really does not
What is a Type II error (beta) Stating that there is not an effect or difference when actually there is
What is an Odds Ratio used for? Approximates relative risk when prevalence is not too high; OR = ad/bc
What is Chi-Square test used for? To check differences between 2 or more percentages or proportions of categorical outcomes
What is desirable for confirmatory tests? High specificity
What is desirable for screening tests? High sensitivity is desirable for a screening test
What is incidence? Number of new cases in a population per unit time
What is Medicaid? Fed. And State assistance for those on welfare or who are indigent
What is Medicare Part A? Hospital related
What is Medicare Part B? Supplemental
What is Medicare? Fed. Program for the Elderly
What is prevalence? Total number of cases in a population at a given time (incidence x disease duration)
What is the False Negative Ratio? 1-sensitivity
What is the False Positive Ratio? 1-specificity
What is the highest quality study? Clinical Trial
What is the p value? The probability of making a Type I error.
What percent of medical costs will those >35 incur? 0.3
What type of studies are Odds Ratios used for? Retrospective (case control)
When do divorces peak? During the 2nd to 3rd year.
Which sex has the most surgeries? Females
Are intelligence tests objective or projective tests? Objective
Define acting out. Unacceptable feelings and thoughts are expressed through actions
Define altruism. Guilty feelings alleviated by unsolicited generosity toward others
Define classical conditioning. Learning in which a natural response is elicited by a conditioned stimulus that previously was presented in conjunction with an unconditioned stimulus
Define denial. Avoidance of awareness of some painful reality
Define displacement. Process whereby avoided ideas and feelings are transferred to some neutral person or object
Define dissociation. "Temporary, drastic change in personality, memory, consciousness, or motor behavior to avoid emotional stress"
Define ego defenses. automatic and unconscious reactions to phychological stress
Define fixation. Partially remaining at a more childish level of development
Define humor. Appreciating the amusing nature of an anxietyprovoking or adverse situation
Define identification. Modeling behavior after another person
Define isolation. Separation of feelings from ideas and events
Define operant conditioning. Learning in which a particular action is elicited because it produces a reward
Define projection. An unacceptable internal impulse that is attributed to an external source
Define rationalization. "Proclaiming logical reasons for actions actually performed for other reasons, usually to avoid self-blame"
Define reaction formation. Process whereby a wardedoff idea or feeling is replaced by an (unconsciously derived) emphasis on its opposite
Define regression. Turning back the maturational clock and going back to earlier modes of dealing with the world
Define repression. Involuntary withholding of an idea or feeling from conscious awareness.
Define sublimation. Process whereby one replaces an unacceptable wish with a course of action that is similar to the wish but does not conflict with one's value system.
Define suppression. Voluntary (unlike other defenses) withholding of an idea of feeling from conscious awareness
Give an example of classical conditioning. Pavlov's dogs (ringing of a bell provoked salivation in dogs)
Give an example of continuous reinforcement schedule. A person gets upset when a vending machine doesn't work
Give an example of negative reinforcement of opperative conditioining. a mouse presses a button to avoid shock (do not confuse with punishment)
Give an example of positive reinforcement of opperative conditioning. a mouse presses a button to get food
Give an example of preconscious topography. remembering your phone number
Give an example of variable ratio reinforcement schedules. A person continuing to play a slot machine at a casino
Is IQ testing more highly correlated with genetics or school achievement? School achievement
Name 4 characteristics of psychoanalysis. "-costly-lengthy-intensiveplaces great demands on the patient"
What are Freud's three structures of the mind "-Id-Superego-Ego"
What are the four factors in hopelessness? "-Sense of Impotence (powerlessness)-Sense of Guilt-Sense of Anger-Sense of loss/Deprivation leading to depression (Mnemonic IGAD!)"
What are the immature ego defenses? (12) Acting out, Disassociation, Denial, Displacement, Fixation, Identification, Isolation, Projection, Rationalization, Reaction formation, Regression, Repression
What are the MATURE ego defenses? (4) "-Sublimation-AltruismSuppression-Humor (Mneumonic: Mature women wear a SASH)"
What are the two most famous forms of intelligence testing? Stanford-Binet and Wechsler
What are two factors with which IQ scores are correlated? Genetics and school achievement
What is an example of acting out? Temper tantrums
What is an example of altruism? Mafia boss makes large donation to charity
What is an example of denial. A common reaction in newly diagnosed AIDS and cancer patients
What is an example of displacement? Mother yells at child because she is angry at her husband
What is an example of dissociation? Extreme forms can result in multiple personalities (dissociative identity disorder).
What is an example of fixation? Men fixating on sports games
What is an example of humor? Nervous medical student jokes about the boards
What is an example of identification? Abused child becomes an abuser
What is an example of isolation? Describing murder in graphic detail with no emotional response
What is an example of projection? A man who wants another woman thinks his wife is cheating on him
What is an example of rationalization? "Saying the job was not important anyway, after getting fired"
What is an example of reaction formation? A patient with libidinous thoughts enters a monastery
What is an example of regression? "Seen in children under stress (eg., bedwetting) and in patients on dialysis (eg., crying)"
What is an example of sublimation? Aggressive impulses used to succeed in business ventures
What is an example of suppression? Choosing not to think about the USMLE until the week of the exam
What is negative reinforcement? the removal of an aversive stimulus so as to increase behavior
What is positive reinforcement? the desired reward which produces an action
What is the basic mechanism underlying all ego defenses? Repression
What is the central goal of Freudian psychoanalysis? To make the patient aware of what is hidden in his/her unconscious
What is the IQ criteria for diagnosis of mental retardation? IQ lower than 70 (or 2 standard deviations below the mean)
What is the topographical term used in psychoanalysis to describe what you are not aware of? Unconscious
What is the topographical term used in psychoanalysis used to describe what you are able to make conscious with effort? Preconscious
What is the topographical term used in psychoanalysis used to describe what you are aware of? Conscious
What number is defined as the mean for standard IQ testing? 100 (with a standard deviation of 15)
"What term fist described by Freud is used to refer to repressed sexual feelings of a child for the opposite-sex parent, accompanied by rivalry with same-sex parent?" Oedipus complex
What term is used to describe the form of insight therapy developed by Freud which is often used for changing chronic personality problems? Psychoanalysis
What thought structures is the Ego responsible for? Bridge and mediator between the unconscious mind and the world (Think-Deals with conflict)
What thought structures is the Id responsible for? (3 things) " - Primal urges-sexagression (Think-'I want it')"
What thought structures is the Superego responsible for? (2 things) " - Moral values-conscience (Think-'You know you cant have it')"
What type of behavior requires a continuous reinforcement schedule? behavior which shows the most rapid extinction when not rewarded
What type of behavior requires a variable ratio reinforcement schedule? behavior which shows the slowest extinction when not rewarded
Which is the conditioned (learned) stimulus in Pavlov's experiment? ringing bell
Which is the natural response in Pavlov's experiment? salivation
Which is the unconditioned stimulus in Pavlov's experiment? food
Created by: megankirch
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