7If 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)