Physiologic effects of inhaled nitric oxide (NO) include which of the following?
1. Recruitment of collapsed alveoli
2. Improved blood flow to ventilated alveoli
3. Decreased pulmonary vascular resistance
4. Reduced intrapulmonary shunting
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: D
The result is a reduction in intrapulmonary shunting, an improvement in arterial oxygenation, and a decrease in pulmonary vascular resistance and pulmonary arterial pressure.
Health Professions
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What size needle should be used for IV injections?
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When stimulated, which of the following nerves is responsible for slowing the heart rate?
A) Paranasal B) Vagus nerve C) Phrenic D) Cranial
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