Answer to Question 1
ANS: C
The patient is experiencing paroxysmal nocturnal dyspneabeing awakened from sleep with shortness of breath and the need to be upright to achieve comfort.
Answer to Question 2
ANS: D
A dull percussion note indicates an abnormal density in the lungs, as with pneumonia, pleural effusion, atelectasis, or a tumor. Resonance is the expected finding in normal lung tissue.