A pay attention to keep warm, avoid cold air stimulation, keep the air in the ward fresh and prevent respiratory infection. (correct answer)

B. Instruct patients to cough effectively, do deep breathing exercises and exercise lung function. (correct answer)

C. Observe the curative effect and prohibit the use of painkillers.

D. Breathe oxygen in case of shortness of breath, strengthen patrol, and observe and record the situation and effect of oxygen inhalation (correct answer).

E. When hemoptysis occurs, pay attention to keep the respiratory tract unobstructed and avoid using hemostatic drugs to prevent suffocation.