Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Body Systems (Human Biology)Respiratory System
Due to smoking, damage to alveoli results in?
- A.Increased oxygen absorption
- B.Reduced gas exchange efficiencyCorrect answer
- C.Enhanced lung elasticity
- D.Strengthened alveolar walls
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: Smoking damages the alveoli, leading to reduced gas exchange efficiency in the lungs.