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Question 9247
NEET Biology · Medium

Breathing and Exchange of Gases: Pressure changes MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Pressure changesMediumQuestion 9247

Question

At the end of a normal inspiration, intrapulmonary pressure becomes approximately:

  1. A
    Equal to atmospheric pressure
    Correct
  2. B
    Much lower than atmospheric and stays so
  3. C
    Much higher than atmospheric and stays so
  4. D
    Always zero

Correct answer

Equal to atmospheric pressure

Explanation

Airflow stops once intrapulmonary and atmospheric pressures equalize at the end of inspiration.

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