Q.

JGA is a special sensitive region formed by cellular modifications in the ______ at the location of their contact.

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a

distal convoluted tubule and the afferent arteriole

b

distal convoluted tubule and the efferent arteriole

c

proximal convoluted tubule and the efferent arteriole

d

proximal convoluted tubule and the afferent arteriole

answer is A.

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Detailed Solution

JGA is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at the location of their contact. A fall in GFR can activate the JG cells to release renin which can stimulate the glomerular blood flow and thereby the GFR back to normal.

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