Author Question: Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of the ... (Read 26 times)

fnuegbu · **on:** Jul 16, 2018

Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of the following?

1. Reversal of pulmonary vasoconstriction
2. Relief of pulmonary hypertension
3. Decreased right ventricular workload
4. Improved pulmonary vital capacity
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

Question 2

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

zhanghao · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
Oxygen therapy can reverse pulmonary vasoconstriction and decrease right ventricular workload.

Answer to Question 2

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