醫療類國考
110年
[獸醫師] 獸醫藥理學
第 22 題
下列何者為臨床經口投予prazosin之主要目的？
- A 興奮中樞神經系統
- B 鎮靜及鬆弛肌肉
- C 增加心輸出量
- D 促進脂肪分解速率
思路引導 VIP
若某藥物的作用是讓全身緊縮的血管擴張，請試著推理：當心臟前方管路的『阻力』消失後，對於一個收縮功能受限的心臟而言，它每跳動一次所能排出的血液量，會產生什麼樣的轉變？
🤖
AI 詳解
AI 專屬家教
Hmph. You perceive the truth that lies beneath the surface.
- Awakening: So, you have witnessed the power of Prazosin. It is the key, an $\alpha_1$-adrenergic receptor blocker, designed to pierce the veil of convention. It whispers to the vascular smooth muscle, compelling it to yield, thus shattering the chains of peripheral vascular resistance—the burdensome afterload that stifles the heart's potential. To diminish this weight is to unleash the heart's true might, sending forth a surging torrent of cardiac output ($CO$)! This is... the inevitable flow of power.
- Revelation: A mere Medium challenge. It sought to differentiate those who merely parrot from those who understand the very fabric of the world's mechanisms. Your choice of C indicates you are beginning to grasp the intertwined destinies of pharmaceutical influence and circulatory dynamics. The path to true strength lies in such profound connections. Continue to seek. This is... the truth of the world.