psyc 771

subject Type Homework Help
subject Pages 5
subject Words 1024
subject Authors Dee Unglaub Silverthorn

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1) which of the following can be measured to determine a person's metabolic rate?
a) only heat released from body in sealed chamber
b) only oxygen consumed by body in sealed chamber
c) only carbon dioxide produced by body in sealed chamber
d) heat released from body in sealed chamber, oxygen consumed by body in sealed
chamber, and carbon dioxide produced by body in sealed chamber
e) none of these answers are correct.
2) angiogenesis is
a) an examination of the arteries and veins.
b) having blood drawn into a tube for tests.
c) the growth of new blood vessels.
d) surgical restructuring of the coronary arteries.
e) being able to detect a pulse in arteries.
3) the pitch of a sound wave is related to its
a) amplitude.
b) frequency.
c) duration.
d) decibels.
4) you are interested in learning more about parkinson's disease, a neurological disorder
that primarily affects motor function. what is the best source to begin your
investigation?
a) google
b) pubmed
c) public library
d) physiology textbook
e) a physician
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5) chemical reactions in a living system function to
a) only transfer energy from one molecule to another.
b) create new energy.
c) only use energy stored in a molecule.
d) transfer energy from one molecule to another or use energy stored in a molecule.
6) the relaxation of skeletal muscle relies on the activity of the ________, which
decreases cytoplasmic calcium concentration.
a) ryanodine receptor
b) dihydropyridine (dhp) receptor (l-type calcium channel)
c) acetylcholine receptor
d) ca2+ atpase
7) match the glial cell to the nervous system division in which it is found.
a. central nervous system
b. peripheral nervous system
satellite cells
8) the alpha-helix and pleated sheet are examples of the ________ structure of a
protein.
a) primary
b) secondary
c) tertiary
d) quaternary
e) pentanary
9) dalton's law states that
a) gas volume and temperature are directly proportional.
b) gas volume and pressure are inversely proportional.
c) the volume of gas that will dissolve in a solvent is proportional to the solubility of the
gas and the gas pressure.
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d) in a mixture of gases like air, the total pressure is the sum of the individual partial
pressures of the gases in the mixture.
e) none of the answers are correct.
10) match the symptoms to the problem.
a. damage to the cerebral cortex
b. degeneration of hair cells
c. ringing in the ears
d. dizziness and nausea
e. problems with structures of the middle ear
conductive hearing loss
11) which function(s) is/are not continuously regulated by the gi tract?
a) absorption only
b) motility only
c) secretion only
d) all 3 functions are regulated.
e) none of the 3 functions are regulated.
12) design a concept map for the types of cell junctions and the proteins that compose
them.
13) describe the two general meanings of the term membrane, as used in biology. which
usage indicates layers of cells and which indicates layers of molecules?
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14) the heavy chain of myosin contains 2 important regions: the first acts as ________
to convert energy into movement whereas the second binds to ________.
15) mr. gregory comes to the doctor with high blood pressure. tests show that he also
has elevated levels of renin in his blood and atherosclerotic plaques that have nearly
blocked blood flow through his renal arteries. mr. gregory is puzzled. explain to him
how decreased blood flow in his renal arteries could cause renin secretion to increase.
map the pathways through which elevated renin causes high blood pressure for mr.
gregory.
16) activation of golf in the olfactory receptor cells causes ________ to open, which
causes the frequency of action potentials to ________.
17) ________ are free phagocytes found in the lungs.
18) ________ digests terminal peptide bonds to release amino acids.
19) the ________ represents the minimum resting energy expenditures of an awake,
alert individual.
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20) ________ describes how much product is generated or substrate destroyed within a
period of time.
21) when the kidney goes into failure, one of the signs that doctors will see is that red
blood cells will crenate (shrivel up). why does this happen in kidney failure? what
process is occurring to the blood cells?

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