A patient has been brought to the emergency department after inhaling superheated steam. Pulmonary injuries unique to this situation include:

1. atelectasis.
2. pulmonary edema.
3. thick secretions.
4. pharyngeal edema.
a. 3
b. 1, 2
c. 2, 3, 4
d. 1, 2, 3

B
Inhaled superheated steam will burn all the way to the small airways and lungs. Injuries unique to a steam inhalation include pulmonary edema and atelectasis.