When a person is suffering from poor renal reabsorption, then, which of the following will not help in the maintenance of blood volume?
A
Decreased glomerular filtration
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B
Increased ADH secretion
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C
Decreased arterial pressure in kidney
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D
Increased arterial pressure in kidney
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Solution
The correct option is D Increased arterial pressure in kidney When the intra-renal pressure falls, the renin-angiotensin system is activated, which in turn elevates the pressure to increase the glomerular filtration rate. But if the arterial pressure in the kidneys remains high already, then this renin- angiotensin system fails to get triggered. Thus the fluid reabsorption rate reduces.