A 67-year-old woman with osteoporosis is given a diuretic to treat her hypertension. This particular diuretic has the adverse effect of limit- ing calcium excretion by the kidney. Referring to the image, where along the nephron does this drug act?
1例67岁女性患者,骨质疏松症接受利尿剂治疗高血压。这种特殊的利尿剂具有限制肾脏钙排泄的不良反应。参考图片,这种药物在肾单位的哪个部位起作用?
(A) A
(B) B
(C) C
(D) D
(E) E
(F) F
答案解析:
噻嗪类利尿剂是唯一能特别限制钙流失的利尿剂。它们作用于早期远端小管,在图像中标记为区域E。
正确答案:E
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