psyc 784 test 2

subject Type Homework Help
subject Pages 6
subject Words 1124
subject Authors Dee Unglaub Silverthorn

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1) the receptors of equilibrium and hearing are the
a) utricles.
b) saccules.
c) hair cells.
d) supporting cells.
e) ampullae.
2) match the type of receptor with the appropriate description.
a. chemoreceptors
b. touch receptors
c. thermoreceptors
d. nociceptors
these receptors slowly adapt, and would be activated when the skin is between 20-40 c.
3) match each hormone with its primary source.
a. prolactin
b. insulin
c. aldosterone
d. melatonin
e. calcitonin
f. epinephrine
pancreas
4) elevated levels of calcium ion in the blood stimulate the secretion of the hormone
a) calcitonin.
b) thyroid hormone.
c) parathyroid hormone.
d) growth hormone.
e) testosterone.
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5) an immunoliposome is a liposome that
a) suppresses the immune system.
b) stimulates the immune system.
c) can recognize cancer cells.
d) none of the answers are correct.
6) in a routine examination, some blood is taken and analyzed. the results show a high
igm level for the mumps antigen. this would indicate
a) the person has just recovered from mumps.
b) the person is just coming down with mumps.
c) the person is allergic to mumps.
d) the person is immune to mumps.
e) none of the answers are correct.
7) the sequence and number of amino acids in the chain
a. primary
b. secondary
c. tertiary
d. quaternary
8) microscopic examination of a tissue reveals an open framework of fibers with a large
volume of fluid ground substance and elastic fibers. this tissue would most likely have
come from the
a) inner wall of a blood vessel.
b) lungs.
c) spleen.
d) tissue that separates skin from underlying muscle.
e) bony socket of the eye.
9) you want to display data on the finish times of the 10 fastest race horses in a single
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race at the kentucky derby.
what type of graph would be best to display this information?
a) bar graph
b) line graph
c) scatter plot
10) the variables of oxygen consumption, cardiac output, and blood oxygen content are
unrelated.
a) true
b) false
11) which reflex is not controlled by the brain stem?
a) urination
b) vomiting
c) sneezing
d) swallowing
e) salivating
12) under which set of circumstances would the diameter of peripheral blood vessels be
the greatest?
a) increased sympathetic stimulation
b) decreased sympathetic stimulation
c) increased parasympathetic stimulation
d) decreased parasympathetic stimulation
e) both increased parasympathetic and increased sympathetic stimulation
13) the nutrients that yield the most energy per gram when metabolized are
a) carbohydrates.
b) proteins.
c) fats.
d) nucleic acids.
e) vitamins.
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14) an increase in the level of carbon dioxide in the blood will
a) decrease the rate of breathing.
b) increase the rate of breathing.
c) decrease pulmonary ventilation.
d) decrease the alveolar ventilation rate.
e) increase the ph of arterial blood.
15) ________ is a protective layer made up of mostly membrane carbohydrates.
16) compare and contrast the action potentials in the skeletal muscle, contractile
myocardium, and autorhythmic myocardium.
17) proteins are described as having different levels of structure. list and distinguish
between the level(s) that produce a linear shape vs. a globular shape, and explain why
one of those levels can result in either a linear or globular shape.
18) the two types of electrical signals in neurons are ________.
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19) children who suffer from protein starvation have bloated bellies of ascites (an
accumulation of fluid in the tissue spaces of the abdomen). how would a shortage of
protein in the diet cause this condition?
20) misty is 16 and, with her family, is visiting her grandmother for christmas. at the
end of a week surrounded by tempting holiday food, misty weighs herself and sees that
she has gained five pounds. she confides to her mother that she ate all of a 1-lb box of
chocolates on christmas day, but didn't overeat in any other way. there are 500
kilocalories per 100 g of chocolate. 1 lb = 454 g. there are 3500 kilocalories in a pound
of fat. how many calories did she consume? does this account for the five pounds she
gained? explain.
21) what is a channelopathy, and what are some examples?
22) provide the basic physics definition of the term fluid. what is bulk flow relative to
body compartments? what types of matter move by bulk flow? what is fundamentally
different in the behavior of these types of matter?

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