20. Which body response is correct under dehydration?
(A) The hypothalamus produces atrial natriuretic peptide to induce aquaporin
(B) Juxtaglomerular apparatus releases the enzyme renin to degrade angiotensinⅡ
(C) Aldosterone increase reabsorbtion of K+and water in the distal tubules and collecting tube
(D) Low blood pressure stimulates parasympathetic system to decrease heart rate and cardiac contraction
(E) None of above
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統計: A(2), B(6), C(5), D(3), E(19) #2993209
統計: A(2), B(6), C(5), D(3), E(19) #2993209
詳解 (共 2 筆)
#7295909
脫水時主要是兩套系統:
- ADH/ 下視丘產、腦後葉釋/ 增加aquaporin,遠曲小管及集尿管再吸收水
- RAAS系統/ 腎臟分泌renin活化angiotensin,最終轉化成angiotensin II 刺激腎上腺皮質分泌aldosterone, 留鈉水,排鉀
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