Which of the Following Statements About Alveolar Pressure (P_alv) During

question 66

Multiple Choice

Which of the following statements about alveolar pressure (P_alv) during normal quiet breathing is true?

• A) It is positive during inspiration and negative during expiration.
• B) It is the same as intrapleural pressure (P_pl).
• C) It is negative during inspiration and positive during expiration.
• D) It always remains less than atmospheric pressure.

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