For Which of the Following Patients Might You Recommend Bland

For which of the following patients might you recommend bland aerosol therapy via an ultrasonic nebulizer (USN) ?
1) Patient with upper airway edema
2) Patient with a bypassed upper airway
3) Patient who must provide a sputum specimen

A) 1, 2, and 3
B) 2 and 3 only
C) 2 only
D) 3 only