What will happen if the diameter of the afferent arteriole is less than efferent arteriole?(a) Dilute urine(b) Concentrated urine(c) No ultrafiltration(d) Black urineI have been asked this question by my school teacher while I was bunking the class.This question is from Human Excretory System topic in chapter Excretory Products and Elimination of Biology – Class 11

What will happen if the diameter of the afferent arteriole is less tha

1.	What will happen if the diameter of the afferent arteriole is less than efferent arteriole?(a) Dilute urine(b) Concentrated urine(c) No ultrafiltration(d) Black urineI have been asked this question by my school teacher while I was bunking the class.This question is from Human Excretory System topic in chapter Excretory Products and Elimination of Biology – Class 11
Answer» The correct answer is (c) No ultrafiltration Easy EXPLANATION: The afferent arteriole is a FINE branch of the renal artery which has ha wider lumen than the EFFERENT arteriole which carries blood away from the glomerulus. If the afferent arteriole diameter is LESS than the efferent arteriole, then ultrafiltration is not possible.

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