VASCULAR
THE NEPHRON
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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High pressure in Bowman’s capsule is caused by a ____ afferent arteriole and a ____ efferent arteriole
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large, small
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small, large
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nutrient rich, nutrient poor
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nutrient poor, nutrient rich
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Explanation:
Detailed explanation-1: -When the afferent arteriole is larger, more blood would flow into the efferent arteriole, which is of a smaller diameter, resulting in increased blood pressure in the glomerulus.
Detailed explanation-2: -The macula densa cell can also increase the blood pressure of the afferent arterioles by decreasing the synthesis of adenosine or ATP. If the efferent arterioles are constricted then the blood pressure in the capillaries of the kidneys will increase.
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