Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Rebecca Datilus

QuestionAnswer
which of the following may put one at risk for developing a given disease a)Environment b)stress c)lifestyle→ d)All Of The Above←
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called Viruses
If the secretion of during childbirth operated as a negative feedback - control loop. what effect would it have on uterine contractions Oxytocin would inhibit uterine contractions
Positive feedback control systems Accelerate a change
Negative feedback mechanisms Minimize change in blood glucose levels, maintain homeostasis, are responsible for an increase rate of sweating , when air temperature is higher than body temperature . ALL OF THE ABOVE ARE CORRECT.✓
The term that literally means self imunity is Autoimmunity
The body’s thermostat is located Hypothalamus
Of the 11 major body systems, which is the least involved in maintaining homeostasis? © Reproductive
Epidemiology is the study of the human populations. __ of diseases in • occurrence O distribution • transmission ☞All of the above are correct✓
Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? Prion
Peptide bonds join together molecules of: Amino acids
Which energy-releasing or energy-transferring molecule does not contain a nucleotide? Creatine phosphate
Which of the following is not true of carbohydrates? • They include substances commonly called sugars. O They are the body's primary source of energy. • They are a part of both DNA and RNA. © ✓All of the above are true of carbohydrates.✓
Amino acids frequently become joined by Peptide bonds
Which of the following is not true of both triglycerides and phospholipids? They both contain a hydrophobic and hydrophilic end.
A structural lipid found in the cell membrane is a: • triglyceride. • phospholipid. • steroid. • ☆Both B and C are correct.✓
The formation of sucrose involves the removal of a molecule of water. This is called: Dehydration synthesis
Humans can synthesize 13 of 21 basic amino acids; the remaining 8, whith must be included in the diet, are called: Essential Amino acids
Which lipid is part of vitamin D? Steroid
Prostaglandins and steroids share which of the following characteristics? Both have a ring structure in their molecule.
What is the most important factor in determining the physical and chemical properties of fatty acids? Degree of situation
Which of the following is not true of RNA? • It contains ribose sugar. O it contains adenine It is composed of smaller molecules called nucleotides. ⭐︎All of the above are true of RNA✓
Which lipid acts as a "tissue hormone"? Prostaglandin
The roles played by proteins can be divided into which categories? Structural and functional
The alpha helix is an example of which level of protein structure? Secondary
Transcription can be best described as the: Synthesis of mRNA.
During which stage of mitosis do the centrioles move to the opposite poles of the cell? Prophase
NaCI would move through the cell membrane in which direction? Both into and out of the cell
Phagocytosis is an example of: Endocytosis
If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid? It contains ribose sugar.
Which of the following terms is synonymous with tumor? Neoplasm
Materials can be moved from a low concentration to a high concentration through: Active transport
The small water channels in the cell membrane are called: aquaporis
Diffusion of particles through a membrane by means of a carrier molecule is called: facilitated diffusion.
The correct order of the phases of mitosis is: prophase, metaphase, anaphase, telophase.
A DNA molecule is characterized by all of the following except: Ribose
Which is not true about the sodium and potassium pump? Sodium moves into the cell, potassium moves out of the cell
Twenty-three chromosomes per cell in humans is referred to as: Haploid
An individual's entire set of DNA can be referred to as a: Genomes
Water will move through the cell membrane by: Osmosis
Mucous membranes are important because they lubricate and protect passageways. True
Which of the following is not a function of adipose tissue? Defends the body from microbes and injurious substances
The type of tissue that contains cells called neurons is called: Nervous
Connective tissue forms from stem cell tissue called: Mesenchyme
Hematopoietic tissue can be found in the: Bones
A tissue is: A group of similar cells that perform a common function.
Which of the following is not a characteristic of epithelial tissue? Is important in communication
Which of the following is not a characteristic of muscle tissue? Cells are separated by a large quantity of extracellular matrix
Which tissue is most likely to form a keloid scar as it heals? connective tissue
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? Astrocytes
The cells responsible for active erosion of bone minerals are called: Osteoclasts
Which of the following may cause skeletal variations? Inadequate suprAy of calcium and vitamin D O Mechanical stress O Age © ✯All of the above ✓
The following are Functions of bone except for support. • protection. • mineral storage, • hematopolesis. ✭ All of the above are functions of the bone✓
Which of the following is not one of the primary funstions performed by bones? Hormonal production
A condition that is caused by an abnormally increased roundness in the thoracic curvature is Kyphosis’
Which of the following is not dependent on the proper amount of calcium ions in the blood? • Blood clotting O Transmission of nerve impulses O Contraction of cardiac muscle © ★All of the above are dependent on the proper amount of calcium ions in the blood✓
Because of how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. True
When the knee is flexed, the patella can be easily distinguished. False
Bones grow in diameter by the combined action of which two of the three bone cell types? Osteoblast and osteoclasts
The primary ossification center of a long bone is located: In the diaphysis
Which of the following is not a characteristic of the diaphysis Provide a bulbous shape for attachment of muscle
In bone growth the medullary cavity is enlarge because of activity of Osteoclasts
Which structure are unique to the fetal skull and provide additional space for molding the head shape as the passes through the birth canal Fontanels
The humerus articulates proximally with the Scapula
As the activity of osteoblasts increases , the Amount of calcium in the bones increases and the amount of calcium in the blood decreases
An example of a pivote joint is the Head of riadius articulating with the ulna
Which joint allows for a unique movement called opposition Saddle
An example of a hinge joint is the Interphalanges joint
A contraction in which the muscle remains the same but the lenght changes is called -------contraction Isotonic
In the structure called the triad, the tibule is sandwiched between Sacs or sarcoplasmic recticulum
Muscles contraction will continue as long as The calcium ions are attached to the troponin
Which structure functions to temporarily store cacium ions Sarcoplasmic reticulum
Moving the party part away from the medial plane of the body is called Abduction
What are the most movable joint in the body Synovial
Which of the following is nota part of neuromuscular junction T-tibules
Which of the following statements about cardiac muscle is incorrect? Cardiac muscle requires nervous stimulation to contract
Which of the following terms descrikes an isometric contraction? Static tension
Thick myofilaments extend the length of the: A-band
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? Isometric
Which of the following proteins found in myofilaments contains the cross-bridges? Myosin
No impulse can be sent through a neuron: During the absolute refractory period
Serotonin is an example of a(n): Amine neurotransmitter
When an impulse reaches a synapse: Chemical transmitter are released
Acetylcholine is in the same class of neurotransmitters as Serotonin, histamine, dopamine, ★None of the above ✓
A slight shift away from the resting membrane potentials in a specific region of the plasma membrane is called a potential. Local
Which of the following is true of spatial summation? Neurotransmitters released simultaneously from several presynaptic knobs converge on one postsynaptic neuron
Within the nervous system, coding for the strength of a stimulus is accomplished through: The frequency of nerve impulses
Excitatory neurotransmitters are most likely to: Initiate an action potential
Compared with the outside of the neuron, the inside has a(n)-------charge. Negative
For a neurotransmitter to produce ah inhibitory postsynaptic potential, which of the following channe's must open? Potassium and or chloride channels
Dopamine, epinephrine, and norepinephrine are classified as: Catecholamine
Severe depression can be caused by a deficit in certain brain synapses of: Amines
The first event to occur when an adequate stimulus is applied to a neuron is Some of the sodium channels at the point of stimulation open.
Which of the following statements about amino acid neurotransmitters is incorrect? They are among the most common neurotransmitters in the central nervous system Glycine is a widely distributed inhibitory neurotransmitter in the spinal cord.(CNS). ★They are all inhibitory neurotransmitters✓
Propranolol is an example of a: beta blocker. drug used to treat irregular heartbeats. drug used to treat hypertension. ★All of the above are correct✓
Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)? Phenelzine
How does a dually innervated autonomic effector differ from a singly innervated autonomic effector? A dually innervated effector receives input from both sympathetic and parasympathetic pathways. A singly Innervated autonomic effector receives Input from only the sympathetic division.
Once inside the sympathetic chain ganglion, the preganglionic fiber may: synapse with a sympathetic postganglionic neuron. send ascending and/or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain sanslia.pass through one or more ganglia without synapsing. ★Do all of the ab
The preganglionic neurons of both the sympathetic and the parasympathetic divisions are cholinergic. True
Damage to the diaphragm unable to function. nerve could make the Phrenic
Created by: Rebecca Datilus
Popular Psychology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards