NEET Zoology Urine Formation MCQ Question
Which of the following statements about urine formation is correct?
The loop of Henle plays a crucial role in creating a counter current mechanism essential for urine concentration.
The collecting duct is primarily responsible for the filtration of blood into urine.
99% of the filtrate is secreted from the nephron back into the bloodstream.
The distal convoluted tubule is where most of the glucose reabsorption occurs.
Correct Answer
Detailed Explanation
The loop of Henle is essential for establishing an osmolar gradient in the kidney interstitium through a counter current mechanism, which is vital for producing concentrated urine. This is emphasized in the context of the nephron's role in urine formation.
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