Which of the following is most directly responsible for concentrating urine in the kidney:
Correct answer: C. Loop of Henle
- A. Proximal convulated tubule
- B. Glomerulus
- C. Loop of Henle
- D. Bowman's capsule
Explanation
Option C, the "Loop of Henle," is responsible for concentrating urine in the kidney due to its unique anatomical and functional characteristics.
This question appeared on the KMU Centralized Admission Test 2022 paper, which you can sit online with every answer explained.
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The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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