Which of the Following Pressures Vary Throughout the Normal Breathing

question 57

Multiple Choice

Which of the following pressures vary throughout the normal breathing cycle?
I.alveolar pressure (P_alv)
II.body surface pressure (P_bs)
III.mouth pressure (P_ao)
IV.pleural pressure (P_pl)

• A)I, II, III, and IV
• B)II, III, and IV
• C)II and IV
• D)I and IV

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