Which of the following is a main organ of the digestive system?
a. liver
b. stomach
c. pancreas
d. both B and C above
b. stomach
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The brain-testicular axis ________.
A) is the tight relationship between the cortex and the control of testicular function B) involves FSH and LH release C) involves posterior pituitary release of regulating hormones D) involves a positive feedback loop control of spermatogenesis
In primary adrenocortical insufficiency (Addison's disease), all layers of the adrenal cortex are undersecreting
a. True b. False Indicate whether the statement is true or false
Bicarbonate ions that enter the plasma during HCO3- reabsorption are not the same HCO3- ions that were filtered
Indicate whether the statement is true or false
Imagine yourself sitting in an awkward position in an uncomfortable chair that is depriving part of your leg from normal blood flow. This deprivation of adequate perfusion will result in what sort of local changes in your leg?
A. Increases in oxygen and potassium will cause vasodilation. B. Decreases in oxygen and potassium will cause vasoconstriction. C. Decreases in carbon dioxide and hydrogen ions will cause vasodilation. D. Buildup of carbon dioxide and hydrogen ions will cause vasoconstriction. E. Buildup of carbon dioxide and hydrogen ions will cause vasodilation.