Answer to Question 1
B, C, D
Hydration, positioning, deep breathing, and humidity are techniques that are helpful in maintaining a patent airway.
Answer to Question 2
C
The patient is showing signs of cancer. Sputum specimens are collected to identify cancer cells.
Sputum collected for culture and sensitivity testing is used to identify specific microorganisms. The AFB is used to support the diagnosis of tuberculosis. Chemical analysis would indicate chemicals within the blood, not sputum.