Most spinal nerves contain:

Which one of the following is a benefit of using a humidification system when administering oxygen?

A) Humidification reduces the chances of respiratory infection. B) Oxygen therapy is less drying to the upper respiratory tract. C) Increased diffusion of oxygen occurs across the respiratory membrane. D) A higher flow rate can be used with a nasal cannula when humidification is added.

Patients who are at highest risk for developing obstructive sleep apnea include patients with which of the following? 1. Asthma 2. Nuchal obesity 3. Neuromuscular disorders 4. Nasopharyngeal narrowing

a. 1 and 3 b. 2 and 3 c. 2 and 4 d. 1 and 4