The most common cause of death after age 40 is:

A conscious and alert 29-year-old female with a history of asthma complains of difficulty breathing that began after her morning jog. The temperature outside is 40°F (5°C). On exam, you hear bilateral expiratory wheezing. After providing 100% oxygen, you should:

A. place her in a recumbent position to facilitate breathing. B. contact medical control and administer an antihistamine. C. call medical control and ask how to proceed with treatment. D. determine if she has been prescribed a beta-agonist inhaler.

Conditions that can lead to bronchiectasis include which of the following? 1. Chronic airway infection 2. Muscular dystrophy 3. Foreign body aspiration 4. Obliterative bronchiolitis

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