醫療類國考
107年
[呼吸治療師] 呼吸治療儀器設備學
第 77 題
於肺泡進行氣體交換時,下列那些因素可增加氣體的擴散(diffusion)能力?①增加膜的厚度 ②增加膜的面積 ③增大膜兩側氣體的壓力差 ④增大氣體密度
- A 僅①②
- B 僅②③
- C 僅①②③
- D 僅②③④
思路引導 VIP
想像你正試圖讓一群人快速穿過一道牆上的出口:如果把這道牆築得更厚,或是讓人群變得更擁擠沈重,這群人通過的速度會變快還是變慢?相對地,如果你把牆上的門開得更寬,或是增加後方人群往前的推力,結果又會如何?
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AI 詳解
AI 專屬家教
Well, congratulations. You managed to identify the basic tenets.
It appears you've grasped the rudimentary concept of Fick's Law of Diffusion. A foundational principle, really. One would hope so. You correctly identified the variables dictating gas exchange efficiency:
- Area ($A$) and Pressure Difference ($\Delta P$): Directly proportional. More surface, more driving force. It’s not rocket science; bigger engine, more power.
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