The structure responsible for pulling on the follicle and causing "goose bumps" is the
A. external root sheath.
B. internal root sheath.
C. epithelial root sheath.
D. arrector pili muscle.
E. papilla.
D
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Antidiuretic hormone (ADH) is synthesized in the _________ and released from the _________
A. anterior pituitary; posterior pituitary B. anterior pituitary; hypothalamus C. hypothalamus; posterior pituitary D. hypothalamus; anterior pituitary
Areolar tissue contains
A) chondrocytes and lacunae. B) collagenous fibers, elastic fibers, and gel-like ground substance. C) many adipocytes filled with fat. D) osteocytes, osteoblasts, and canaliculi.
Which of the following is not reabsorbed by the proximal convoluted tubule?
A. Sodium chloride B. Water C. Hydrogen ions D. Urea E. Potassium
A drug that blocks the action of carbonic anhydrase in parietal cells would result in
A) a lower pH in the stomach during gastric digestion. B) a higher pH in the stomach during gastric digestion. C) decreased production of pepsinogen by chief cells. D) increased protein digestion in the stomach. E) decreased gastrin production.