Author Question: The major risk factor for chronic bronchitis is A) a history of allergies. B) a family history ... (Read 101 times)

karen · **on:** Jul 12, 2018

The major risk factor for chronic bronchitis is

A) a history of allergies.
B) a family history of lung disease.
C) cigarette smoking.
D) dust and pollen in the air.

Question 2

Symptoms of asthma include all of the following EXCEPT

A) wheezing.
B) coughing.
C) heart palpitations.
D) shortness of breath.