Zoology-Urine Formation
NEET Zoology Urine Formation MCQ Question
Type: MCQ-diagram based-Easy-Class 11
A diagram shows a nephron with labeled parts: A, B, and C. Part B is the loop located in the medulla with descending and ascending limbs. Which of the following is the primary function of this structure?
A
Concentration of urine through counter-current mechanism
B
Secretion of hydrogen and potassium ions
C
Reabsorption of glucose and amino acids
D
Filtration of blood to form filtrate
Correct Answer
Option A
Detailed Explanation
The loop of Henle, located in the medulla, plays a significant role in the concentration of urine by establishing an osmolar gradient through the counter-current mechanism.
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