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Angiotensin II - lecture

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Questions and Answers

What is the effect of angiotensin II on glomerular arterioles?

It dilates both efferent and afferent arterioles

It constricts both efferent and afferent arterioles equally

It constricts afferent arterioles more than efferent arterioles

It constricts efferent arterioles more than afferent arterioles (correct)

How does the constriction of afferent arterioles affect systemic arterial blood pressure?

It decreases the arteriolar resistance, lowering blood pressure

It has no effect on blood pressure

It increases the arteriolar resistance, raising blood pressure (correct)

It causes blood pressure to fluctuate randomly

What is the primary mechanism by which the kidneys maintain glomerular blood hydrostatic pressure?

Constricting both efferent and afferent arterioles equally

Dilating both efferent and afferent arterioles

Constricting afferent arterioles more than efferent arterioles

Constricting efferent arterioles more than afferent arterioles (correct)

What is the effect of angiotensin II on systemic arterial blood pressure?

It increases blood pressure (C) Signup and view all the answers

Which arteriole has a greater response to angiotensin II?

Efferent arteriole (A) Signup and view all the answers

What is the primary effect of constricting efferent arterioles?

Increase in glomerular pressure (B) Signup and view all the answers

What is the primary effect of constricting afferent arterioles?

Decrease in glomerular pressure (A) Signup and view all the answers

Which of the following is NOT a consequence of angiotensin II constriction of efferent arterioles?

Decrease in glomerular filtration rate (D) Signup and view all the answers

What is the primary consequence of constriction of afferent arterioles in the kidney?

Decrease in glomerular pressure (B) Signup and view all the answers

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