Sympathetic stimulation of the heart will ________.
A. increase conduction rate between the SA and AV nodes
B. increase the rate of depolarization in the ventricles
C. increase the strength of myocardial contraction
D. All of the choices are correct.
Answer: D
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In glomerulonephritis, the permeability of the filtration membrane increases allowing proteins to cross the membrane. Which of the following would you expect to observe?
A. increase in filtration volume B. anuria - no urine production C. necrosis of the renal corpuscle D. low protein levels in the filtrate E. no change in the filtrate
Which of the following is false concerning lacrimal glands?
A) They produce a strongly hypertonic fluid. B) They produce most of the volume of tears. C) They produce lysozyme. D) They produce watery, slightly alkaline secretions. E) They are located in recesses in the frontal bones.
What is the name for the partially digested fluid that passes from the stomach into the small intestine?
A. Bile B. Mucus C. Saliva D. Feces E. Chyme
Membrane attack complexes (MAC) form holes in attacked cells causing them to burst; this is a result of ________
A) interferon B) complement fixation C) natural killer cells D) keratin E) phagocytes