Which nephron segment reabsorbs the largest proportion of filtered water, sodium, glucose and amino acids?
Correct answer: A. Proximal convoluted tubule
- A. Proximal convoluted tubule
- B. Descending loop of Henle
- C. Distal convoluted tubule
- D. Collecting duct
Explanation
The proximal convoluted tubule performs extensive reabsorption of useful substances and water back into the blood. The collecting duct mainly adjusts final water concentration under the influence of ADH.
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About Urinary System
The urinary system includes the kidneys, ureters, urinary bladder and urethra, with emphasis on nephron structure and urine formation. It explains glomerular filtration, tubular reabsorption, tubular secretion, water and electrolyte regulation, acid base balance, and the roles of ADH and aldosterone in maintaining homeostasis.
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