Effect of Smoking on Lungs
Trending Questions
Q. Regarding the assertion and reason, select the right option.
Assertion [A]: Cigarette smoke contains CO which leads to difficulty in breathing.
Reason [R]: CO is a poisonous gas that reduces the amount of haeme-bound oxygen, so less oxygen is available in the bloodstream.
Assertion [A]: Cigarette smoke contains CO which leads to difficulty in breathing.
Reason [R]: CO is a poisonous gas that reduces the amount of haeme-bound oxygen, so less oxygen is available in the bloodstream.
- Both A and R are true and R explains A
- Both A and R are true R does not explain A
- A is true and R is false
- Both A and R are false
Q. Elastic fibres present in bronchioles are made up of
- Elastin protein
- Chitin protein
- Fatty tissue
- Smooth muscle fibres
Q.
Regarding the assertion and reason, select the right option.
Assertion [A]: Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body.
Reason [R]: Beating movement of cilia throws out mucus-laden pathogens out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogens inside the body.
Regarding the assertion and reason, select the right option.
Assertion [A]: Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body.
Reason [R]: Beating movement of cilia throws out mucus-laden pathogens out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogens inside the body.
- Both A and R are true and R explains A
- Both A and R are true, but R does not explain A
- A is true and R is false
- Both A and R are false
Q.
Regarding the assertion and reason, select the right option.
Assertion [A]: Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body.
Reason [R]: Beating movement of cilia throws out mucus-laden pathogens out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogens inside the body.
Regarding the assertion and reason, select the right option.
Assertion [A]: Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body.
Reason [R]: Beating movement of cilia throws out mucus-laden pathogens out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogens inside the body.
- Both A and R are true and R explains A
- Both A and R are true, but R does not explain A
- A is true and R is false
- Both A and R are false
Q. State whether True/False:
Beating movement of cilia is necessary for clearing pathogens from the nasal passage.
Beating movement of cilia is necessary for clearing pathogens from the nasal passage.
- True
- False
Q.
Reason [R]: Inflammation of air passages due to smoking leads to trapping of the smoke and collapse of alveoli deforming the alveolar chamber.
Regarding the assertion and reason, select the right option.
Assertion [A]: Continued smoking over time causes deformation of alveoli.Reason [R]: Inflammation of air passages due to smoking leads to trapping of the smoke and collapse of alveoli deforming the alveolar chamber.
- Both A and R are true and R explains A
- Both A and R are true, but R does not explain A
- A is true and R is false
- Both A and R are false
