Respond to statements 99–103 in reference to the four regions of
a nephron listed below.
a. Bowman’s capsule
b. proximal tubule
c. descending portion of loop of Henle
d. distal tubule
M 99. Sodium ions are actively transported out from this
region.
E 100. Filtration of the blood occurs in association with this
structure.
D 101. This region of the tubule is impermeable to sodium
exit.
M 102. Permeability to water is regulated by antidiuretic
hormone in this structure.
E 103. The glomerular capillaries are intimately associated
with this structure.
Answers: 99. b, 100. a, 101. c, 102. d, 103. a
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