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CMA STUDY GUIDE

TermDefinition
systole contraction phase of the heart
diastole relaxation phase of the heart
SA node located at the upper back wall of right atrium at junction of superior vena cava and right atrium
sinoatrial node controls the rate of heart contraction by initiating electrical impulses every 60 to 100 times per minute
Sinus bradycardia a heart rate less than 60 beats/min
sinus tachycardia a rate of greater than 100 beats/min
After electrical stimulation the ventricles contract forcing blood out of the chambers and deoxygenated blood into the pulmonary artery
SA node stimulates both atria to depolarize at the same time
polarization resting state of the myocardial wall: no electrical activity in the heart; recorded on the ECG as a flatline
depolarization contraction phase; electrical system of the heart stimulates the myocardium
P wave first deflection from baseline; atrial depolarization
QRS complex contraction of both ventricles; greatest deflection from baseline
ST segment time between the end of ventricular contraction and the beginning of ventricular recovery
T wave repolarization of the ventricles
Sinus arrhythmias pathway of the electrical charge is normal but the rate or rhythm of the heartbeat is altered
Premature atrial contraction atria contract before they should; show up as abnormally shaped P wave or an extra P
Atrial flutter extremely rapid atrial rate, up to 300 beats/min
premature ventricular contraction ventricles contract before they should; QRS complex appears before P wave
Ventricular fibrillation life-threatening arrhythmia; heart muscle quivering uncontrollably; unable to pump blood; there is no pulse
Holter monitor a portable system for recording the cardiac activity of a patient over a 24-hour period or longer
microorganisms living organisms that can be seen only with a microscope
pathogens disease causing microorganisms
infection invasion of body tissues by pathogens which proliferates and damages tissues
medical asepsis creates a clean environment but not a sterile one
surgical asepsis complete destruction of organisms on instruments or equipment that will enter the patient's body
sanitization decreases the number of microorganisms
spores thick walled, dormant form of bacteria that is very resistant to disinfection
Steam simultaneously heats and wets objects being autoclaved
Muslin packs shelf-life of 28 days
plastic wraps shelf-life of 6 months
permeability property in which a substance can pass or soak through
wrap all hinged instruments in the open position to allow full steam penetration of the joint
place a gauze sponge around the tips of sharp instruments to prevent them from piercing the wrapping material
With sterilizing bags, insert the jaws of the instruments first to ensure that the grasping end of the instrument can be reached easily when the bag is opened.
DO NOT place packs on cold surfaces
suppuration pus formation; causes problems with wound healing
1st intention healing clean surgical incision
2nd intention healing large gaping wound heals from bottom outward
cycle of urine production filtration, reabsorption, and excretion
urine most common body fluid analyzed in lab
average person produces approximately 750-2000 mL (2L) of urine each day
random sample can be done anytime
first morning specimen used for pregnancy test/ culture for bacteria quantative protein
24-hour urine specimen used for quantative analysis such as hormone levels and creatine clearance rates
second voided specimen most accurate method of testing urine in patients with diabetes
protein proteinuria is one of the first signs of renal disease
ketones end-product of fat metabolism
blood indicates infection or trauma
hematuria presence of blood in urine
bilirubin breakdown of hemoglobin; bilirubinuria is due to liver cell damage or obstruction of common bile duct
urobilinogen normally present in small amounts; with RBC destruction and in liver disease
nitrite due to bacterial break down of nitrate, a common component of urine; positive test result indicates UTI
leukocyte esterase test WBCs present with UTI
pH will be increased in UTI
casts protein accumulates and precipitates in the kidney tubules; takes on size shape of tubules
crystals clinically significant if present in larger numbers
clinitest testing for glycosuria
acetest reagent tablets provide an alternative to strip testing when the urine must be tested for the presence of ketones
urine pregnancy testing detects the presence of human chorionic gonadotropin (hCG)
CHAMRA surviving spouses/ children of vets died as result of service have disability
Medicare part A Hospital
Medicare part B Medical Insurance
Medicare part C Medicare Advantage expanded benefits
Medicare part D prescription
Medicare Federal health insurance program that provides healthcare coverage for individuals aged 65 years and older
Workers' Compensation protects wage earners against the loss of wages and the cost of medical care resulting from occupational accident or disease
Medicare Supplement A supplemental health insurance policy to help defray medical costs not covered, or only partially covered by Medicare
Special Risk Insurance protects a person in the event of a certain type of accident or for certain diseases
Liability Insurance Includes benefits for medical expenses payable to individuals who are injured in the person's home or car, without regard to the insured person's actual legal liability for the accident
life insurance provides payment of a specified amount on an insured's death
Long-Term Care Insurance Covers a continuum of broad-ranged maintenance and health services to chronically ill, disabled, or mentally retarded persons
Idemnity Schedules fee for service plans
Service benefit plans plan the insuring company agrees to pay for certain surgical or medical services without additional cost to the person insured
Resource-Based Relative Value Scale Resources required to perform a service is determined through the use of relative value units (RVUs) assigned to the CPT codes; system was implanted to standardize payment
Determination of the Usual, Customary, and Reasonable (UCR) Fees Charges for a specific service are compared with a database of charges for the same service to other patients by the same type of physician, and to patients by other physicians performing the same or similar services in the same geographic area
HMO A plan that contracts with a medical center or group of physicians to provide preventive as well as acute care for the insured; state-licensed health plans that are regulated by HMO laws
capitation(how HMO providers receive payment) payment in advance to provider for contracted number of patients, regardless of how often patient sees the physician (if even)
PPO fee for service; an insurer representing its clients contracts with a group of providers who agree on a predetermined list of charges for all services including those for both normal and complex procedures
ingestion orally taking substances into the body
digestion conversion of into substances that can be absorbed into the GI tract
peristalsis movement of food particles through the digestive tract
absorption process in which the digested food molecules pass through the lining of the small intestine into the blood or lymph capillaries
elimination removal of undigested food particles
alimentation process of providing nourishment, or nutrition, for the body
metabolism the sum of all the physical and chemical processes that take place in living organisms
lipids fats that serve as energy reserves
esophagus muscular tube connecting the throat with the stomach
bolus mass of chewed food
chyme liquid mass expelled by the stomach into the duodenum
cardiac sphincter guards the opening of the esophagus into the stomach and prevents backflow of material into the esophagus
pyloric sphincter lets food pass from the stomach to the duodenum
duodenum the first part of the small intestine
rugae temporary folds of mucosa that line the stomach
villi fingerlike projections in the small intestine that absorb nutrients
jejunum part of the small intestine below the duodenum
ileum distal portion of the portion of the small intestine
cecum forms the first portion of the large intestine
vermiform appendix a wormlike structure that opens into the cecum
ascending colon part of the colon located between the cecum and the transverse colon
transverse colon longest and most movable part of the colon
descending colon function is to store the remains of digested that will be emptied into the rectum
sigmoid colon last part of the colon
feces body waste that is discharged from the bowels by way of the anus
proctologist specializes in treating disorders of the colon, rectum, and anus
gastroenterology the study of the stomach and intestines and associated diseases
bile aids in the digestion of fats
liver functions: production of bile, breakdown of toxic compounds, involvement in the regulation of blood glucose, lipid metabolism, synthesis of plasma proteins, storage of iron and certain vitamins, filtering of blood
gallbladder where bile is stored and released when fats are ingested
pancreas secretes many substances, including digestive enzymes and insulin
hematochezia presence of blood in the stool
occult blood chemical test that can detect blood that cannot be seen
anorexia lack or loss of appetite
emaciation excessive leanness caused by disease or lack of nutrition
emesis vomiting
bulimia eating disorder characterized by episodes of binge eating that often end in purging and depression
GERD dysfunction that involves a backflow of the contents of the stomach into the esophagus
hiatal hernia protrusion of a portion of the stomach upward through a defect in the diaphragm
fistula abnormal passage between internal organs or abnormal communications leading from internal organs to the body surface
hemorrhoids masses of dilated veins of the anal canal that lie just inside or outside the rectum
impaction an accumulation of hardened feces in the rectum or sigmoid colon that the individual cannot expel
jaundice a yellow discoloration of the skin, the mucous membranes, and the whites of the eyes, caused by greater than normal amounts of bilirubin in the blood
cirrhosis chronic, progressive liver disease that is characterized by degeneration of liver cells with eventual increased resistance to flow of blood through the liver
nasogastric tube tube that is inserted through the nose into the stomach
lavage irrigation or washing out of an organ, such as the stomach or bowel
amyl/o starch
bil/I, chol/e bile or gall
gylc/o sugar
lact/o milk
lip/o fats
prote/o protein
-dipsia thirst
-orexia appetite
-pepsia digestion
-stalsis contraction
or/o, stomat/o mouth
esophag/o esophagus
pharyng/o pharynx
gastr/o stomach
cholecyst/o gallbadder
choledoch/o common bile duct
hepat/o liver
pancreat/o pancreas
sialaden/o salivary glands
intestin/o intestine, in general
enter/o small intestine
duoden/o duodenum
jejun/o jejunum
ile/o ileum
col/o, colon/o large intestine
rect/o rectum
an/o anus
bucc/o cheek
cheil/o lip
dent/I, dent/o, odont/o teeth
gingiv/o gums
gloss/o, lingu/o tongue
mandibul/o mandible
maxill/o maxilla
palat/o palate
sial/o saliva, salivary glands
pylor/o pylorus
vag/o vagus nerve
append/o appendix
cec/o cecum
proct/o anus, rectum
sigmoid/o sigmoid colon
diverticul/o diverticula
integumentary system which is the skin and its glands, hair, nails, and other structures that are derived from it
epidermis top layer of the skin
keratin waterproofing protein that hardens over several days
dermis thicker layer of the skin
subcutaneous serves as a cushion against shock and insulates the body
adipose pertaining to fat
dermatology study of the skin
arrector pili muscles contract under stresses of cold or fright, straighten the hair follicles, and raise the hairs, producing goose bumps or gooseflesh
sebum oily material secreted by the sebaceous gland, keeps hair and skin soft and pliable and also inhibits growth of bacteria on the skin
sudoriferous gland sweat gland
lunula nail matrix is responsible for growth of the nail and appears asa a whitish, crescent-shaped area
biopsy removal of a small piece of living tissue
curettage procedure that uses a curet to scrape material from a lesion for testing
albinism a partial or total absence of pigment in the skin, hair and eyes
cyanosis a bluish discoloration of the skin and mucous membranes
erythema redness or inflammation of the skin or mucous membranes that is the result of the superficial capillaries
ichthyosis any of several skin conditions in which the skin is dry and scaly, resembling fish skin
pediculosis infestation by human lice. There head lice, body lice, and pubic lice.
scleroderma general term for hardening and thickening of the skin, a finding in various diseases
dermatitis an inflammatory condition of the skin
herpes simplex virus most common infection of adult skin
furuncle a boil, is a localized suppurative infection that begins with infection of a hair follicle or sebaceous gland
purulence production of pus
eczema superficial dermatitis of unknown cause and confined to the surface of the skin
scabies contagious dermatitis caused by the itch mite and transmitted by close contact
lesion any visible, local abnormality of the tissues of the skin, such as a sore, a rash, or a tumor
abscess any pus-containing cavity that is surrounded by inflamed tissue
cyst raised area of the overlying skin that is filled with fluid or a semisolid material
nodule raised area of the overlying skin that is solid and more than 1 cm wide and deep
urticaria allergic skin eruptions that cause wheals
bulla blister greater than 1 cm and filled with clear fluid
scales dried fragments of sloughed epidermis; frequently seen in psoriasis
scar a mark remaining after the healing of a wound
ulcers deep, irregular erosions that extend into the dermis
atrophy thinning of the skin with loss of skin markings
excoriation a scratch; an injury to the surface of the body caused by trauma
petechiae tiny purple or red spots appearing on the skin as a result of tiny hemorrhages within the dermal or submucosal layers
ecchymosis a hemorrhagic spot, larger that petechia
nevus another term for a mole
malignant melanoma pigmented neoplasm that originates in the skin and is composed of melanocytes
decubitus ulcer bedsore
keloid overgrowth of scar tissue
laceration torn, jagged wound
puncture wound made by piercing
abrasion skin scraped or rubbed away by friction
contusion a bruise; caused by a blow to the body that causes subcutaneous bleeding and does not disrupt the integrity of the skin
superficial burn 1st degree burn, burns only the epidermis
deep partial-thickness burn 2nd degree burn, extends into the dermis
full thickness burn 3rd degree burn; throughout the dermis and epidermis, sometimes into the subcutaneous layer
rule of nines a formula for estimating the percentage of adult body surface covered by burns
necrosis localized tissue death that occurs in response to disease or injury
alopecia baldness
diaphoresis excessive sweating
hypothermia condition in which the body temperature is below normal
hyperthermia state in which an individual's body temperature is elevated above his or her normal range
dehiscence rupture of a wound closure or the separation of a surgical incision
debridement the removal of foreign material and dead or damaged tissue, especially from a wound
incision and drainage opening of an infected wound and withdrawal of its fluids and discharges
adip/o fat
cutane/o, derm/a skin
derm/o, dermat/o skin
kerat/o horny or cornea
-derm skin or germ layer
hidr/o sweat
onych/o, ungu/o nail
pil/o, trich/o hair
seb/o sebum
cry/o cold
erythermat/o erythema or redness
follicul/o folliculi
heli/o sun
ichthy/o fish
necr/o dead or death
rhytid/o wrinkle
seps/o, sept/o infection
xer/o dry
-phoresis transmission
order of draw yellow, light blue, red, tiger topped, light green, lavender, and gray
yellow tube additive sodium polyanetholsulfonate
light blue tube additive sodium citrate
red tube additive none- clot tube
tiger topped tube additive Silicone Serum Separator (clot activator and thixotropic gel)
light green tube additive heparin
lavender tube additive EDTA
gray tube additive potassium oxalate or sodium fluoride
yellow tube tests blood cultures
light blue tube tests Coagulation Studies- PT/INR, PTT, Bleeding Time, Fibrinogen, D-Dimer
red tube tests blood chemistries, immunology, AIDS antibody, viral studies, serologic tests, blood grouping and typing
tiger topped tube tests test requiring blood serum (electrolytes, enzymes, glucose, hormones, lipids, proteins)
light green tube tests electrolyte studies, arterial blood gases
lavender tube tests hematology studies (CBC, H/H, WBC, RBC, ESR, CK, Sickle cells)
gray tube tests blood glucose, lactic acid
red bone marrow functions in the formation of red blood cells, white blood cells, and platelets
yellow bone marrow stores fat
diaphysis the long shaft of the long bone
epiphysis spongy bone that is covered by a thin layer of compact bone
periosteum tough membrane that covers the bone
auditory ossicles three tiny bones in each middle ear cavity
foramen magnum opening at the base of the skull that which encloses and protects the brain
thoracic pertaining to the thorax
xiphoid process the smallest and lowermost part of the sternum, which is often used as a point of reference when examining the chest
intercostal means between the ribs
plantar relating to the sole of the sole of the foot
connective tissue characterized by an abundance of intercellular material with relatively few cells; support and bind other body tissue and parts
articular pertaining to a joint
synovial joints freely movable joints
bursae fluid -filled sacs that help reduce friction
tendons bands of strong, fibrous tissue that attach muscles to the bones
ligaments connect bones or cartilage and serve to support and strengthen joints
cartilage translucent elastic tissue that, for the most part, is transformed into bone as the embryo matures
skeletal muscle primary function of movement of the body and its parts and is voluntarily controlled by the nervous system
visceral muscle located in the walls of organs and blood vessels; is involuntary and controlled by the autonomic nervous system
cardiac muscle only located in the heart, and is involuntary
myocardium another name for cardiac muscle
fascia covers, supports, and separates muscles
extension to straighten
flexion to bend
abduction drawing away from the midline of the body
adduction drawing toward the midline of the body
rotation movement of a bone around its own axis
supination rotation that allows the palm of the hand to turn up
pronation rotation that turns the palm of the hand backward
circumduction circular movement of a limb at the far end
eversion movement of the sole of the foot outward
reflex hammer used to tap tendons, nerves, or muscles to test reflex reactions
bone scan useful in demonstrating malignant bone tumors
lumbar puncture performed for various therapeutic and diagnostic procedures
arthrography Examination of the interior of a joint using x-rays following the injection of a radiopaque substance
arthroscope fiberoptic instrument used for direct visualization of the interior of a joint
arthrocentesis surgical puncture of a joint with a needle
myalgia muscular pain
strain damage, usually muscular, results from excessive physical force
sprain traumatic injury to the tendons, muscles, or ligaments around a joint, characterized by pain, swelling, and discoloration of the skin over the joint
dislocation displacement of a bone from a joint
fracture a break in a bone
simple (closed) fracture a bone is fractured but does not protrude through the skin
compound (open) fracture the bone protrudes through the skin
greenstick fracture incomplete fracture in which the bone is bent and fractured on one side only
impacted fracture one bone fragment is firmly driven into the fractured end of another fragment
comminuted fracture bone is broken into many small fragments
spiral fracture bone is twisted apart
transverse fracture the break in the bone is at right angles to the axis of the bone
atrophy a decrease in the size of an organ or tissue
carpal tunnel syndrome condition in which the median nerve in the wrist becomes compressed, causing pain and discomfort
herniated disk rupture of an intervertebral disk
cellulitis an acute, spreading swollen pus-forming inflammation of the deep subcutaneous tissues
osteomalacia characterized by decalcification, a loss of calcium, and softening of the bone
osteoporosis reduction in the amount of bone mass and increased porosity
spina bifida congenital abnormality characterized by defective closure of the bones of the spine
muscular dystrophy characterized by weakness and atrophy of muscle without involvement of the nervous system
anomaly deviation from what is regarded as normal
kyphosis abnormal convexity in the curvature of the thoracic spine as viewed from the side
lordosis abnormal concavity of the lumbar spine as viewed from the side
scoliosis lateral curvature of the spine
gout systemic disease associated with an inborn error of uric acid metabolism
lyme disease infection caused by the bite of an infected deer tick
blast/o, -blast embryonic form
myel/o bone marrow or spinal cord
oste/o bone
cost/o costae (ribs)
crani/o crainum (skull)
rach/l, rachi/o, spin/o vertebral or spinal column (spine, backbone)
spondyl/o, vertebr/o vertebrae(spinal bones)
stern/o sternum (breastbone)
cervic/o cervical vertebrae (also cervical)
thorac/o thoracic vertebrae
lumb/o lumbar vertebrae
sacr/o sacral vertebrae
coccyg/o coccygeal vertebrae
clavicul/o clavicle
scapul/o scapula
calcane/o calcaneus
femor/o femur
metars/o metatarsals
patell/o patella
phalang/o phalanx (pl. phalanges)
tars/o tarsus
tibi/o tibia
ili/o ilium
ischi/o ischium
pub/o pubis
carp/o carpus
humer/o humerus
metacarp/o metacarpals
radi/o radius
uln/o unla
arthr/o joint
burs/o bursa
chondr/o cartilage
synov/o synovial membrane
ten/o, tend/o tendon
fasci/o fascia
muscul/o muscle
ankyl/o stiff
scler/o hard
troph/o nutrition
-asthnia weakness
-sarcoma malignant tumor from connective tissue
-clasia break
-desis binding, fusion
central nervous system consists of the brain and spinal cord
peripheral nervous system consists of various nerves and nerve masses that connect the brain and spinal cord with receptors, muscles, and glands
neurons conduct impulses either to or from the central nervous system
axon carries impulses away from the cell body
dendrites transmit impulses to the cell body
myelin sheath a white lipid covering that is surrounded by many axons
synaptic bulb releases a chemical neurotransmitter that either inhibits or enhances a nervous impulse
sensory neurons transmit nerve impulses toward the spinal cord and the brain
motor neurons transmit nerve impulses from the brain and the spinal cord
meninges three membranes that protect the brain and spinal cord
cerebrospinal fluid also protects the brain and the spinal cord
dura matter the tough outer layer of the meninges
arachnoid mater the middle layer of the meninges
pia mater the innermost layer of the meninges
cerebrum largest and uppermost portion of the brain
sciatic nerve the largest nerve in the body
somatic tissues skin and muscles that are involved in conscious activities
autonomic tissues the visceral organs, such as the stomach and heart, which function without conscious effort
sympathetic nervous system causes a series of physiologic responses called the fight-or-flight response
parasympathetic nervous system counteracts the fight-or-flight response
conjunctiva a mucous membrane that cover the inside of the eyelids and the anterior portion of the sclera
lacrimal gland produces fluid (tears) that keeps the eye moist
sclera tough outer layer of the eyeball; the white, opaque membrane covering most of the eyeball
cornea the convex, transparent structure at the front of the eyeball that helps focus light rays entering the eye
iris pigmented portion that accounts for blue, brown, gray, green, and combinations of these colors in eyes
retina the innermost layer of the eye, contains photoreceptors that receive images of external objects
tympanic membrane function of collecting sound waves and directing them into the ear
cochlea contains receptors that enable us to hear
semicircular canals enable us to maintain a sense of balance
audiometer electronic device for measuring hearing
sleep apnea sleep disorder characterized by short periods in which respiration is absent
electroencephalography the process of recording the electric activity of the brain using an electroencephalograph
ophthalmoscopy visual examination of the eyes using an ophthalmoscope
otoscopy examination of the ear using an otoscope
sciatica inflammation of the sciatic nerve
Glasgow coma scale system for assessing the degree of conscious impairment in the critically ill and for predicting the duration and ultimate outcome of coma
stupor patient is vaguely aware of the environment
coma patient does not appear to be aware of the environment
cerebrovascular accident another word for stroke
transient ischemic attack symptoms include disturbance of normal vision, dizziness, and numbness; warning sign of a ischemic stroke
cerebral embolus a plug of matter (usually a blood clot) brought by the blood to the cerebral artery
paralysis the loss of muscle function, loss of sensation, or both and is a sign of an underlying problem
paraplegia paralysis of the lower portion of the body and both legs
hemiplegia paralysis of one side of the body
quadriplegia paralysis of all four extremities
Bell palsy facial paralysis
cerebral palsy
Created by: C to the C
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