If the diameter of the afferent renal arterio | vedclass

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(B) Ultrafiltration in the glomerulus depends on the glomerular hydrostatic pressure.This pressure is maintained by the difference in the diameters of

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(B) Ultrafiltration in the glomerulus depends on the glomerular hydrostatic pressure.This pressure is maintained by the difference in the diameters of the afferent and efferent arterioles.The afferent arteriole brings blood into the glomerulus,while the efferent arteriole carries it away.If the diameter of the afferent arteriole is decreased,the inflow of blood is reduced.If the diameter of the efferent arteriole is increased,the outflow of blood is facilitated.Both these changes lead to a significant decrease in the glomerular hydrostatic pressure.Since ultrafiltration is driven by this pressure,a decrease in pressure results in a slower rate of ultrafiltration.

If the diameter of the afferent renal arteriole is decreased and that of the efferent renal arteriole is increased,the ultrafiltration will

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