The most common manifestation of mumps in infected persons is

Which of the following respiratory signs noted on inspection of an adult patient would be considered ABNORMAL?

A. ribs higher posteriorly than anteriorly at end-expiration B. sternocleidomastoid muscles used at rest C. costal angle of 90 degrees increases with inspiration D. respiratory rate of 18 breaths per minute

You perform a series of pulmonary function tests on a patient with a potentially infectious dis-ease carried via the airborne route. Which of the following infection-control procedures should you implement?

1. Wear a respirator or close-fitting surgical mask. 2. Dispose of, sterilize, or disinfect the tubing circuit after testing. 3. Clean the interior surface of the spirometer before the next test. a. 1 only b. 1 and 2 only c. 2 and 3 only d. 1, 2, and 3