Q: A man connected to a body plethysmograph for estimation of FRC inspires against a closed glottis. Which of the following statements is true:
(a) The pressure in both the lungs and box increases.
(b) The pressure in both the lungs and box decreases.
(c) The pressure in the lungs decreases but that in the box increases.
(d) The pressure in the lungs increases but that in the box decreases.
A:c.lung de.., box in..
(a) The pressure in both the lungs and box increases.
(b) The pressure in both the lungs and box decreases.
(c) The pressure in the lungs decreases but that in the box increases.
(d) The pressure in the lungs increases but that in the box decreases.
A:c.lung de.., box in..
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