下列有關midodrine 藥理性質的敘述,何者正確?

20250410 Ch21 課前練習

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Professional Development
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蕭旋玲 蕭旋玲
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
是一種前驅藥(prodrug),其活性代謝物為ritodrine
其活性代謝物屬於交感受體拮抗劑(adrenoceptor antagonist)
可用於改善姿勢性低血壓(orthostatic hypotension)
臨床上亦可作為安胎藥使用
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用epinephrine或norepinephrine作為休克等促進心臟收縮作用之藥物,最容易造成嚴重的外滲(extravasation)現象,下列敘述何者錯誤?
原因為供應皮下之組織血管收縮所致
採用周邊靜脈注射給藥可以降低此外滲現象
導致組織壞死及壞疽
可以用phentolamine來預防
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列對vasopressin的敘述何者錯誤?
敗血性休克患者的體內通常處於vasopressin缺乏的狀態
用於治療敗血性休克時,vasopressin除了有血管升壓作用外,還有留滯水分效果
注射vasopressin可以增加內臟血流(splanchnic blood flow),所以應優先選用為血管增壓劑
vasopressin可用於治療食道出血
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一位 50 歲男性因肺炎至急診室就診,發現血壓偏低,給予大量輸液後血壓仍只有 80/40 mm Hg,下列那種藥物最不建議使用?
dobutamine
norepinephrine
ephinephrine
vasopressin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於心輸出量(cardiac output)的敘述,何者正確?
體重(公斤)/心跳速率×1.5
心搏量(stroke volume)× 心跳速率
心搏量(stroke volume)× 心臟指數(cardiac index)
心臟指數(cardiac index)×心跳速率
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關amiodarone的藥理性質,何者正確?
可強力活化肝臟酵素CYP3A4
咳嗽是其常見的副作用之一
可同時抑制鈉離子通道和鈣離子通道
對心房纖維顫動 (atrial fibrillation) 沒有治療效果
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者負責起始心臟跳動?
房室結 (atrioventricular node)
竇房結 (sinoatrial node)
房室束 (atrioventricular bundle)
心內膜下傳導網絡 (subendocardial conducting network)
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