The most common cause of lung cancer is:
a. cigarette smoking.
b. air pollution.
c. exposure to asbestos.
d. exposure to radon gas.
Question 2
The major pathologic or structural changes of the lungs associated with ventilator failure accompanying Guillain-Barr syndrome include:
1. alveolar consolidation.
2. airway distortion and dilation.
3. mucosal edema.
4. atelectasis.
a. 1, 4
b. 2, 3
c. 1, 2, 3
d. 1, 2, 3, 4