Posted: August 16th, 2017

Which of the following is the most important risk factor for development of Chronic Obstructive Pulmonary Disease?

Which of the following is the most important risk factor for development of Chronic Obstructive Pulmonary Disease?
a) Cigarette smoking
Pipe, cigar and other types of tobacco smoking are also risk factors.
b) Occupational exposure
While a risk factor, occupational exposure is not the most important risk factor for development of COPD.
c) Air pollution
Air pollution is a risk factor for development of COPD, but it is not the most important risk factor.
d) Genetic abnormalities
A deficiency of alpha-antitrypsin is a risk factor for development of COPD, but it is not the most important risk factor.