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Anaesthesia General 41c64644

The most significant change in maternal lung volume that occurs in the third trimester of pregnancy includes.

A
Decrease in vital capacity
B
Increase in residual volume
C
Decrease in functional residual capacity
D
Decrease in closing capacity
High-Yield Explanation
With enlargement of uterus, diaphragm is forced cephalad that decreases FRC.

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