Properly applied O2 therapy can decrease which of the following? 1. Ventilatory demand 2. Work of breathing 3. Cardiac output

a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only


ANS: C
In cases of acute hypoxemia, supplemental O2 can decrease demands on both the heart and the lungs.

Health Professions

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