Breathing and Exchange of Gases Question 38
38. Name the chronic respiratory disorder caused mainly by cigarette smoking
[2016]
(a) emphysema
(b) asthma
(c) respiratory acidosis
(d) respiratory alkalosis
Show Answer
Answer : a
Hints & Solution
(a) Emphysema results when the delicate linings of the air sacs in the lungs become damaged beyond repair. Most commonly, the toxins in cigarette smoke create the damage. Emphysema is called smoker’s disease.
