A Group of Researchers Is Studying Secondary Hypertension in Porcine

question 9

Multiple Choice

A group of researchers is studying secondary hypertension in porcine models of renal artery stenosis.  During an experiment, a clip is placed that constricts the right renal artery to 30% of its original cross-sectional area.  A few days later, hemodynamic and biochemical measurements are recorded and compared to measurements obtained before clip placement.  Which of the following changes is most likely to be seen in the experimental animals?

• A)Decreased inferior vena cava aldosterone level
• B)Decreased systemic vascular resistance
• C)Increased glomerular filtration in the right kidney
• D)Increased renin production in the left kidney
• E)Increased sodium excretion in the left kidney

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