1) the majority of glomeruli are located in the ________ of the kidney.
a) vasa recta
b) medulla
c) cortex
d) pelvis
e) calyces
2) a suture is an example of a(n)
a) synarthrosis.
b) syndesmosis.
c) symphysis.
d) diarthrosis.
e) amphiarthrosis.
3) the carbon dioxide of respiration is formed during
a) glycolysis.
b) the citric acid cycle.
c) electron transport.
d) the formation of pyruvic acid.
e) the formation of water.
4) an important buffer in body fluids is
a) nacl.
b) naoh.
c) hcl.
d) nahco3.
e) h2o.
5) the process of filtration occurs at the
a) proximal convoluted tubule.
b) distal convoluted tubule.
c) collecting duct.
d) nephron loop (loop of henle).
e) glomerular (bowman’s) capsule.
6)
figure 21-2 veins
identify the vein labeled “8”
a) superior vena cava
b) brachiocephalic
c) axillary
d) external jugular
e) subclavian
7) a tissue with a gel matrix and cells inside lacunae is
a) areolar connective tissue.
b) cartilage.
c) bone.
d) epithelium.
e) dense regular connective tissue.
8)
figure 20-2 cardiac cycle
what occurs at the area labeled “b” on the graph?
a) ventricular ejection occurs
b) av valve closes
c) semilunar valve opens
d) semilunar valve closes
e) av valve opens
9) if the chemically-gated sodium channels in the postsynaptic membrane were
completely blocked,
a) synaptic transmission would fail.
b) release of neurotransmitter would stop.
c) smaller action potentials would result.
d) the presynaptic membrane would be unable to reach threshold.
e) the presynaptic neuron would release a different neurotransmitter.
10) the organ that produces a secretion that contains fructose, prostaglandins, and
fibrinogen is the
a) prostate gland.
b) bulbourethral gland.
c) seminal gland (seminal vesicle).
d) corpus cavernosum.
e) preputial gland.
11) the radius and ulna are bound to each other by a(n) ________ ligament.
12) how does the dna molecule control the appearance and function of a cell?
13) each gustatory cell extends ________ (or taste hairs) into the surrounding fluids
through a narrow taste pore.
14) the drug ________ increases dermal blood flow and makes the skin red.
15) what is homeostatic regulation, and what is its physiological importance?
16) in the corticospinal pathway, the neuron that exits the spinal cord and enters the
spinal nerve is called the ________ neuron.
17) list each organ of the urinary system and concisely describe its function.