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1) each of the following hormones is an amino acid derivative, except
a) epinephrine.
b) norepinephrine.
c) thyroid hormone.
d) thyroid-stimulating hormone.
e) melatonin.
2) opioids relieve pain by blocking the release of
a) substance o.
b) substance p.
c) substance q.
d) substance x.
e) none of the answers are correct.
3) during a primary humoral response to antigens all of the following occur, except
a) b cells may differentiate into plasma cells immediately.
b) b cells may undergo several rounds of mitosis before producing plasma cells and
memory cells.
c) antibody levels do not peak until 1 to 2 weeks after the initial exposure.
d) neutrophils invade the surrounding areas, releasing chemotactic substances.
e) the first immunoglobulins to appear in circulation are of the igm type.
4) as you ascend from the medulla oblongata to the cerebrum, the functions of each
successive level become
a) more complex.
b) simpler.
c) better understood.
d) more crucial to visceral functions.
e) critical to reflexes.
5) you suspect your friend has damage to cranial nerve i when he is unable to
a) smell his food.
b) smile.
c) blink his eyes.
d) nod his head.
e) hear your voice.
6) which of the following about a cell's resting transmembrane potential is false?
a) inside slightly more positive than outside
b) inside slightly more negative than outside
c) depends on separation of + and charges
d) represents potential energy
e) controls muscular contraction and nervous signaling
7) nicotinic receptors
a) respond to epinephrine.
b) respond to norepinephrine.
c) open chemically-gated sodium ion channels.
d) are found at neuroeffector junctions of the parasympathetic nervous system.
e) are found at neuroeffector junctions of the sympathetic nervous system.
8) urine is carried to the urinary bladder by
a) blood vessels.
b) lymphatics.
c) the ureters.
d) the urethra.
e) the calyces.
9)
figure 14-2 cranial nerves
identify the structure labeled "8"
a) mamillary body
b) infundibulum
c) oculomotor nerve
d) olfactory bulb
e) optic chiasm
10) when all three cone populations are stimulated equally, we perceive
a) red.
b) blue.
c) green.
d) white.
e) blackness.
11)
figure 6-1 bone tissue
the structure labeled "3" is the result of which process?
a) bone cells adding matrix between existing osteons
b) surface growth of bone
c) remodeling of compact bone
d) remodeling of spongy bone
e) osteoporosis
12) during the micturition reflex,
a) stimulation of stretch receptors in the bladder wall sends impulses to the sacral cord.
b) parasympathetic motor neurons that control the detrusor muscle become active.
c) the internal sphincter is subconsciously relaxed.
d) the external sphincter is consciously relaxed.
e) all of the answers are correct.
13) a change in a nucleotide sequence of a gene is termed a(n) ________.
14) soluble inorganic compounds whose solutions will conduct an electric current are
called ________.
15) the middle segment of the small intestine is called the ________.
16) the location where two bones meet is called a joint or an ________.
17) ________ monitor the digestive, respiratory, cardiovascular, urinary, and
reproductive systems. (note: be sure to capitalize the first letter of your answer).
18) a ________ consists of a combination of a weak acid and its associated anion.
19) the developmental period heralded by the onset of puberty is known as ________.
