Administration of a loop diuretic will directly inhibit the reabsorption of which of the following in the thick ascending limb of the loop of Henle?
✓ Correct Answer: Option B
Loop diuretics (e.g., furosemide) inhibit the Na+/K+/2Cl- cotransporter in the luminal membrane of the thick ascending limb, leading to increased excretion of Na+, K+, and Cl-, as well as Ca2+ and Mg2+.
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