Hydrostatic pressure is the primary driving force of plasma through the filtration membrane into the capsular space. All but one of the following statements reflects why hydrostatic pressure is so high in the glomerular capillaries. Select the one statement that does not explain the high pressure within the glomerular capillaries.

A. The volume of plasma in the efferent arteriole is higher when compared to the afferent arteriole.

B. The flow of blood is reduces as blood reaches the efferent arteriole.

C. The efferent arteriole has higher resistance to blood flow than the afferent arteriole.

D. The diameter of the efferent arteriole is smaller than the afferent arteriole.

Question

Biology

Dale Chang

10 October, 19:35

Hydrostatic pressure is the primary driving force of plasma through the filtration membrane into the capsular space. All but one of the following statements reflects why hydrostatic pressure is so high in the glomerular capillaries. Select the one statement that does not explain the high pressure within the glomerular capillaries.

A. The volume of plasma in the efferent arteriole is higher when compared to the afferent arteriole.

B. The flow of blood is reduces as blood reaches the efferent arteriole.

C. The efferent arteriole has higher resistance to blood flow than the afferent arteriole.

D. The diameter of the efferent arteriole is smaller than the afferent arteriole.

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Answers (1)

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Jocelynn Koch · Answer 1

Answer: D. The diameter of the efferent arteriole is smaller than the afferent arteriole.

Explanation:

Hydrostatic pressure can be define as the pressure exerted by the fluid over the walls of the blood vessels.

The efferent arteriole functions by carrying the blood away from the glomerulus during the blood filtration process. As it exhibit diameter small then the afferent arteriole, it offers resistance to flowing blood, producing the back-up of blood in the glomerulus which creates higher hydrostatic pressure in the glomerulus.