First slide

Regulation of Kidney Function

Question

Select the correct statement.

Moderate

A

A fall in GFR activates macula densa to release renin.
B

Angiotensin II decreases glomerular blood pressure.
C

Activation of osmoreceptors suppresses ADH secretion.
D

Atrial natriuretic factor is a vasodilator.

Solution

Atrial Natriuretic Factor (ANF) can cause vasodilation and thereby decrease blood pressure.
A fall in GFR activates JG cells to release renin.
Angiotensin II, being a powerful vasoconstrictor, increases the glomerular blood pressure and thereby GFR.
Activation of osmoreceptors stimulates ADH secretion.

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