Na+ is always reabsorbed in the ________ but is only reabsorbed in the ________ under hormonal influence.
A. ascending limb of nephron loop; distal convoluted tubule
B. ascending limb of nephron loop; proximal convoluted tubule
C. descending limb of nephron loop; distal convoluted tubule
D. descending limb of nephron loop; ascending limb of nephron loop
Answer: A
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