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Patients X and Y both have respirations of 12/min
and tidal volumes of 500 mL. However, patient X
has an arterial PCO 2 of 35 mm Hg, while patient Y
has an arterial PCO 2 of 45 mm Hg. The difference in
PCO 2 between these patients is best explained by a
difference in which of the following?
(A) Cardiac output
(B) Dead space ventilation
(C) Forced expiratory volume in 1 sec (FEV 1 )
(D) Functional residual capacity
(E) Lung compliance
What do you guys think the answer is and can you please provide explanation justifying your answer? Thanks!
and tidal volumes of 500 mL. However, patient X
has an arterial PCO 2 of 35 mm Hg, while patient Y
has an arterial PCO 2 of 45 mm Hg. The difference in
PCO 2 between these patients is best explained by a
difference in which of the following?
(A) Cardiac output
(B) Dead space ventilation
(C) Forced expiratory volume in 1 sec (FEV 1 )
(D) Functional residual capacity
(E) Lung compliance
What do you guys think the answer is and can you please provide explanation justifying your answer? Thanks!