The major factor that promotes increased secretion of cortisol from the adrenal cortex is
a. low Na+ concentration in the extracellular fluid.
b. stress.
c. angiotensin II.
d. increased blood amino acid concentration.
e. increased blood glucose concentration.
B
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Gastric pits are
A) ridges in the body of the stomach. B) involved in absorption of liquids from the stomach. C) openings into gastric glands. D) acid scars in the esophagus. E) hollows where proteins are stored.
The groove in the epiphysis of the ulna that receives the humerus is the ________, which is located on the anterior surface of the epiphysis of the ulna.
Fill in the blank(s) with the appropriate word(s).
The first step in the scientific method involves the formation of a(n) ________.
A. experiment B. hypothesis C. theory D. law
Secretion of LH is inhibited by ________.
A. high concentrations of inhibin B. high concentrations of testosterone C. rapidly rising concentrations of estradiol D. decreasing concentrations of progesterone