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Question
Which one is the correct option for the structure and function of a nephron?
Which one is the correct option for the structure and function of a nephron?
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Solution
The correct option is C Both A and B
Urine formation involves three main processes namely, glomerular filtration, reabsorption and secretion, that takes place in different parts of the nephron. The first step in urine formation is the filtration of blood, which is carried out by the glomerulus and is called glomerular filtration. Proximal convoluted tubule (PCT) is lined by simple cuboidal brush border epithelium, which increases the surface area for reabsorption. Nearly all of the essential nutrients and 70-80 percent of electrolytes and water are reabsorbed by this segment. In Distal Convoluted Tubule (DCT), conditional reabsorption of sodium and water takes place. DCT is also capable of selective secretion of hydrogen and potassium ions.
Urine formation involves three main processes namely, glomerular filtration, reabsorption and secretion, that takes place in different parts of the nephron. The first step in urine formation is the filtration of blood, which is carried out by the glomerulus and is called glomerular filtration. Proximal convoluted tubule (PCT) is lined by simple cuboidal brush border epithelium, which increases the surface area for reabsorption. Nearly all of the essential nutrients and 70-80 percent of electrolytes and water are reabsorbed by this segment. In Distal Convoluted Tubule (DCT), conditional reabsorption of sodium and water takes place. DCT is also capable of selective secretion of hydrogen and potassium ions.
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