A patient has decreased cardiac output. Which physiologic process in the kidneys would be most affected by this disease process?
a. Glomerular filtration
b. Tubular reabsorption
c. Tubular secretion
d. Osmotic pressure
B
The baroreceptor response to decreased cardiac output is to increase volume by the reuptake of water to continue to perfuse the body and the kidneys. This is evidenced by tubular reabsorption.
Glomerular filtration, tubular secretion, and osmotic pressure are not appropriate responses to reduced cardiac output.
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