Compared to the normal plasma osmolarity, the tubular fluid is ________ as it enters Bowman's space, ________ at the beginning of the loop of Henle, ________ at the tip of the loop, and ________ at the beginning of the distal convoluted tubule.
A. isosmotic; isosmotic; hyperosmotic; isosmotic
B. isosmotic; isosmotic; hyperosmotic; hypoosmotic
C. isosmotic; isosmotic; hypoosmotic; hypoosmotic
D. isosmotic; isosmotic; hypoosmotic; hyperosmotic
E. isosmotic; hyperosmotic; hyperosmotic; isosmotic
Answer: B
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