試題詳解

7 If a patient is allowed to breathe 100% oxygen under anesthesia, which statement is correct?
(A) The area of atelectasis will disappear
(B) The bowel distention will decrease
(C) The PaO₂ will rise due to increased dead space
(D) The lung units with low ventilation/ perfusion (V/ Q) ratios may become shunt units
(E) The oxygen tension will rise due to an increase in functional residual capacity (FRC)