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1) renal blood flow is about
a) 1 liter/min.
b) 2 liter/min.
c) 3 liter/min.
d) 4 liter/min.
e) 5 liter/min.
2) as a result of the long refractory period in the cardiac action potential, cardiac muscle
cannot exhibit
a) tonus.
b) treppe.
c) tetany.
d) recruitment.
e) fatigue.
3) the vitamin that is required for proper bone growth and for calcium absorption and
retention is vitamin
a) a.
b) b.
c) c.
d) d.
e) e.
4) the pituitary hormone that promotes egg development in ovaries and sperm
development in testes is
a) tsh.
b) acth.
c) fsh.
d) lh.
e) gh.
5) the eye muscles include which of the following muscles?
a) medial rectus
b) inferior rectus
c) superior oblique
d) inferior oblique
e) all of the answers are correct.
6) when a second epsp arrives at a single synapse before the effects of the first have
disappeared, what occurs?
a) spatial summation
b) temporal summation
c) inhibition of the impulse
d) hyperpolarization
e) decrease in speed of impulse transmission
7) most cns neurons lack centrioles. this observation explains
a) why cns neurons grow such long axons.
b) why cns neurons cannot divide to regenerate damaged tissue.
c) the ability of neurons to generate an action potential.
d) the ability of neurons to communicate with each other.
e) the ability of neurons to produce a resting potential.
8) which of the following is not true of neutrophils?
a) less abundant than lymphocytes
b) can make hydrogen peroxide
c) can exit capillaries
d) can destroy bacteria
e) attracted to complement-coated bacteria
9) the palpebrae
a) are controlled by cranial nerves.
b) contain tarsal glands.
c) cover and protect the eye.
d) are lined with a palpebral conjunctiva.
e) all of the answers are correct.
10) having to adjust to a dark room after walking in from bright light is because
a) the breakdown of rhodopsin to opsin occurs slowly.
b) the lens requires time to accommodate dim light.
c) rods exposed to strong light need time to regenerate rhodopsin.
d) rhodopsin does not function in dim light.
e) only cones function in dim light.
11) the greater omentum is
a) the entrance to the stomach.
b) attached to the stomach at the lesser curvature.
c) important in the digestion of fats.
d) a fatty sheet that hangs like an apron over the abdominal viscera.
e) a sheet of mesentery that attaches to the liver.
12) visceral pericardium is located
a) on the heart itself.
b) lining the pleural cavity.
c) lining the pericardial cavity.
d) on the lung itself.
e) lining the peritoneal cavity.
13) which of the following is not part of the axial skeleton?
a) skull
b) false ribs
c) sternum
d) hyoid
e) pelvic girdle
14) ________ are large phagocytic white cells that spend most of their time outside the
blood as fixed and free phagocytic cells.
a) neutrophils
b) eosinophils
c) basophils
d) lymphocytes
e) monocytes
15) each of the following effects is associated with the action of postganglionic
sympathetic fibers, except
a) increased sweat secretion.
b) reduced circulation to the skin.
c) decreased heart rate.
d) dilation of the pupils.
e) increased blood flow to skeletal muscles.
16) as the ________ nerve approaches the knee, it divides into two branches, the fibular
nerve and the tibial nerve.
a) perineal
b) femoral
c) brachial
d) pudendal
e) sciatic
17) the total volume of blood in the body of a 76-kg man is approximately ________
liters.
a) 10
b) 6 to 8
c) 5.3
d) 4.4
e) 3.8
18) intramembranous ossification begins with differentiation of ________ cells.
a) osteoclast
b) osteoprogenitor
c) mesenchymal
d) osteoblast
e) osteocyte
19) the ________ circuit carries blood from the aorta to the right ventricle.
20) the three familiar states of matter are solids, liquids, and ________.
21) permanent alterations in a cell's dna that affect the nucleotide sequence of one or
more genes are called ________.
22) the tiny gaps between adjacent schwann cells are called ________.
23) the wall between the lateral ventricles is called the ________.
24) leon has gallstones. his doctor puts him on a diet low in fat. why?
25) during ________ sleep, dreaming occurs.
26) the superior part of the sternum is called the ________ .
