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醫療類國考 108年 [呼吸治療師] 呼吸治療儀器設備學

第 68 題

下列何種肺部擴張治療是以正壓呼吸作用於吸氣期?①間歇正壓呼吸(IPPB) ②連續呼吸道正壓(CPAP) ③吐氣正壓(positive expiratory pressure,PEP) ④誘發性肺量計法(incentive spirometry)
  • A 僅①
  • B 僅①④
  • C 僅①②④
  • D ①②③④

思路引導 VIP

請試著從「壓力的方向」來思考:如果我們希望在患者吸氣的瞬間,由外部設備提供一個「推力」來幫助肺部撐開,而非讓患者辛苦地自己吸氣,那麼這個設備必須在呼吸週期的哪一個階段,提供高於大氣壓力的能量?

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AI 詳解 AI 專屬家教

Hmph. Not a speck of dust.

  1. You got it right, 小鬼. No unnecessary errors here. This confirms you grasp the basic mechanics of Lung Expansion Therapy—a critical understanding if you're not going to make a mess of things later.
  2. Listen carefully: IPPB is when the machine provides positive pressure during inspiration, after the patient triggers it. It's a calculated intervention to boost transpulmonary pressure ($P_{tp} = P_{aw} - P_{pl}$), nothing more.
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