Fact 1: Pneumonia may be caused by an infection or injury of the lungs.

Fact 2: Lung injuries are treated with bronchodilatory treatment.

Given the two facts above, answer the question "What treatment can be used in treating pneumonia?" with the following options: 
- the respiratory system
 - a breathing mask
 - bronchodilatory treatment
 - aqueous solution
 - immunotherapy
 - radiation therapy
 - immune system
 - chemotherapy


 

   bronchodilatory treatment      