A patient is admitted for renal dysfunction. The nurse knows that the kidneys receive 20% to 25% of the total cardiac output. This means that all of the body's blood circulates through the kidneys how many times an hour?
A) 15
B) 12
C) 9
D) 6
Ans: B
Feedback: The kidneys receive 20% to 25% of the total cardiac output, which means that all of the body's blood circulates through the kidneys approximately 12 times per hour. Therefore options A, C, and D are incorrect
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