A man connected to a body plethysmograph for estimation of FRC inspires against a closed glottis. Which of the following statements is true
High-Yield Explanation
During Plethysmography, the following are the changes.
- Lungs
o During Expiration- Volume decreases, pressure increases
o During inspiration- Volume increases, pressure decreases
- Chamber
o During expiration- Volume increases, pressure decreases
o During inspiration- Volume decreases, pressure increases