Which of these is a structural modification unique to the small intestine?
(a) plicae circulares
(b) villi
(c) microvilli
(d) all of these are unique to the small intestine
(e) none of these are unique to the small intestine
Ans: (d) all of these are unique to the small intestine
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Enlargement of the prostate gland, or ________, typically occurs spontaneously in men over age 50
A) fibrocystic disease B) prostate cancer C) testicular cancer D) carcinoma E) benign prostatic hypertrophy
Secretion of one hormone by the action of another hormone is control by ________ stimuli.
A. visceral B. hormonal C. humoral D. neural
Which of the following does not participate in control of skeletal muscle activity?
a. limbic system. b. cerebellum. c. supplementary motor area. d. premotor cortex. e. posterior parietal cortex.
These vessels also serve as a blood reservoir.
A. Arteries B. Veins C. Capillaries D. All of the above