Which of the following statements about the nephron is false?
A) The epithelial cells of the proximal tubule have numerous microvilli.
B) The wall of the ascending limb of the loop of Henle is described as "thick" or "thin" depending on the width of the tubule lumen.
C) In the distal tubule, the most common epithelial cell type has few microvilli.
D) Various regions of the nephron mediate different transport processes.
Answer: B
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