NEET 2011 Biology question

Which one of the following correctly explains the function of a specific part of a human nephron ?

(1)Podocytes : Create minute spaces (slit pores) for the filtration of blood into the Bowman's capsuleCorrect
(2)Henle's loop : most reabsorption of the major substances from the glomerular filtrate
(3)Distal convoluted tubule : reabsorption of ions into the surrounding blood capillaries
(4)Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Answer: (1)

Solution

The inner wall of Bowman's capsule is lined by podocytes whose foot-like processes are arranged leaving minute spaces called filtration slits (slit pores), through which blood is filtered (ultrafiltration). (2) is wrong: most reabsorption occurs in the proximal convoluted tubule, while the loop of Henle mainly

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Question ID VK-090882