Medical Quiz 2

Prompt

A group of investigators is studying hemodynamic regulatory mechanisms in a human volunteer subject. The volunteer is administered a stimulant drug, and a sudden increase in blood pressure is observed. It is hypothesized that the increase in blood pressure causes stretching of the atria. Increased atrial stretch would most likely lead to which of the following changes? A. Increased excretion of potassium and hydrogen ions B. Vasodilation and decreased platelet aggregation C. Decreased reabsorption of sodium D. Increased reabsorption of solute-free water E. Vasoconstriction and stimulation of thirst Answer only with the option chosen