The design of the speaking valve allows for only exhalation through the tracheostomy tube, but notinhalation.

Which of the following burn injuries would MOST likely require transport to a burn specialty center?

A) Superficial burns to more than 40% of the body B) Burns that involve the hands, feet, or genitalia C) Partial-thickness burns to more than 5% of the body D) Any burn that occurs in a child under 5 years of age

What is the benefit of pulmonary rehabilitation in patients with moderate to severe COPD?

a. Improves exercise tolerance. b. Improves FEV1. c. Improves lung function. d. Improves survival.