The corpus luteum continues to secrete estrogens and progesterone in early pregnancy due to stimulation by ________.
A. LH
B. FSH
C. GnRH
D. hCG
Answer: D
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Which of the following is most likely to happen to a group of students who relax by drinking a pitcher of their favorite beverage?
A. an increase in urine volume B. an increase in urine osmolality C. an increase in ADH production D. increased aldosterone secretion E. a decrease in urine volume
Select the correct statement about the physical factors influencing pulmonary ventilation.
A) A decrease in compliance causes an increase in ventilation. B) A lung that is less elastic will require less muscle action to perform adequate ventilation. C) As alveolar surface tension increases, additional muscle action will be required. D) Surfactant helps increase alveolar surface tension.
Anabolic means a. breakdown
b. building. c. homeostasis. d. deactivation.
The parasympathetic nervous system decreases heart rate by:
A. releasing norepinephrine. B. opening sodium gates. C. closing sodium gates. D. opening potassium gates.