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Question

Which of the following is most likely to cause an increase in the glomerular filtration rates?

A
Blockage of ureter
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B
Dilation of the afferent arterioles
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C
Release of renin from the juxtaglomerular apparatus
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D
Volume depletion
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Solution

The correct option is B Dilation of the afferent arterioles
Dilation of the afferent arterioles cause an increase in glomerular filtration rate and renal plasma flow as well, the reason being the vascular resistance is lessened while the hydrostatic pressure is increased when afferent arteriole gets dilated.
So, the correct option is (B)

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