Complete each sentence to show your understanding about the major mechanisms by

Question

Complete each sentence to show your understanding about the major mechanisms by which a decrease in body Na* elicits a compensatory change in GFR dilation Diarrhea leads to an in the loss of Na* and H,O volume These losses lead to a decrease in plasma subsequently a and in venous, arterial, and atrial GFR Reflexes mediated by increase the activity of renal chemoreceptors Increased sympathetic output increases the afferent renal arterioles, which decreases the net glomerular filtration ure. This directly leads to a decrease in the excretion of Na and HO which decreases baroreceptors increase decrease efferent

Explanation / Answer

Diarrhea leads to an increase in the loss of Na+ and water.

These losses lead to a decrease in plasma volume and subsequently a decrease in venous, arterial and atrial pressure .

Reflexes mediated by baroreceptors increase the activity of renal sympathetic nerves.

Increased sympathetic output increases the constriction of afferent renal arterioles which decreases the net glomerular filtration pressure.

This directly leads to a decrease in GFR , which decreases the excretion of Na+ and water.

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