Question

5. For each of the functional descriptions A–E, select the most appropriate option from the following list of regions of the nephron and urinary tract. 1. Proximal convoluted tubule. 2. Distal convoluted tubule. 3. Thin limb of loop of Henle. 4. Thick limb of loop of Henle. 5. Collecting duct. 6. Ureter. 7. Bladder. 8. Urethra. A. The site of the final major adjustment of the pH of the filtered fluid. B. A region where reabsorption is associated with the presence of microvilli on the luminal cell surface. C. A region where the passage of a calculus (stone) is associated with severely painful smooth muscle contractions referred to one side of the lower part of the trunk. D. The site of the final major adjustment of the ammonium content of the filtered fluid. E. The site of the final major adjustment of the osmolality of the filtered fluid.

Answer 1

1.PROXIMAL CONVOLATED TUBE:B. A region where reabsorption is associated with the presence of microvilli on the luminal cell surface.

2.DISTAL CONVOULATED TUBULE A. The site of the final major adjustment of the pH of the filtered fluid.

4.THICK LIMB OF LOOP OF HENLE:E. The site of the final major adjustment of the osmolality of the filtered fluid.

5.COLLECTING DUCT: D. The site of the final major adjustment of the ammonium content of the filtered fluid.

6.URETER . C. A region where the passage of a calculus (stone) is associated with severely painful smooth muscle contractions referred to one side of the lower part of the trunk.