Effect of Smoking on Lungs

Q.

Oxygen-carrying capacity of human blood is reduced due to the pollution of

1. 

2. 

3. 

4. 

Q.

What prevents the alveoli from collapsing during exhalation?

1. surface tension

2. cartilage

3. pressure

4. phospholipids

Q.

How is radiation a physical carcinogen?

Q.

The nose serves all the following functions except ________.

1. as a passageway for air movement

2. as the initiator of the cough reflex

3. warming and humidifying the air

4. cleansing the air

Q.

Emphysema, a chronic disorder is high in cigarette smokers. In such cases the ______ of the personis /are found damaged

1. Plasma membrane

2. Alveolar walls

3. Respiratory muscles

4. Bronchioles

Q. Trace the path of smoke as a person smokes a cigarette

1. Trachea, Bronchus, Bronchioles , Alveoli
2. Trachea , Esophagus , Bronchi, Alveoli
3. Esophagus , Trachea , Bronchi , Alveoli
4. Esophagus, Bronchus , Bronchioles, Alveoli

Q.

7. Excess intake of ${\mathrm{O}}_2$ by a person results in several ill-effects. Which of the following activities leads to excess intake of ${\mathrm{O}}_2$?

1. deep-sea diving

2. mountaineering

3. travelling in aeroplane

4. walking on the moon

Q.

Carbon monoxide prevents the blood from carrying oxygen in the body.

1. True
2. False

Q. The statutory warning "Cigarette smoking is injurious to health" that appears on cigarette packet is based on the finding that

1. Lung and oral cancer are more common among smokers than non-smokers
2. More smokers suffer from diabetes than non-smokers
3. Smoking and drinking cause mystery diseases
4. Tobacco plant suffers from mosaic virus disease which is communicated by smoking

Q.

State whether the following statements are true or false.

9. Carbogen is a mixture of 94 percent oxygen, 4 percent carbon dioxide and 2 percent nitrogen dioxide.

1. True
2. False

Q. Tobacco smoke contains carbon monoxide, which

1. Reduces the oxygen-carrying capacity of blood
2. Causes gastric ulcers
3. Raises blood pressure
4. Is carcinogenic

Q. Regarding the assertion and reason, select the right option.

[A] Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body

[R] Beating movement of cilia throws out mucus laden pathogen out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogen inside the body

1. Both A and R are true and R explains A
2. Both A and R are true R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. Tobacco smoke contain

1. CO${}^2$, tar, Nicotine
2. Nicotine, CO, polycyclic aromatic compound and tar
3. Nicotine and CO
4. Nicotine and tar

Q. State whether True/False.

Beating movement of cilia is necessary for clearing pathogens from the nasal passage

1. False
2. True

Q.

A child is suffering from high fever, grey coating in the throat, and suffocation in the respiratory tract. Which disease do these symptoms indicate in your option? Name the causative agent of the disease.

Q. A rock band held its show in an open stadium. 90% of the people who were present at the show were snorting, smoking, shabbily dressed with bloodshot eyes. The possible cause could be

1. Excessive nicotine use
2. Addicted to Marijuana and other forms of cannabis including snorting drugs like cocaine
3. Alcohol addicts
4. High on adrenaline

Q.

Regarding the assertion and reason, select the right option

[A] Continued smoking over time causes deformation of alveoli

[R] Inflammation of air passages due to smoking leads to trapping of the smoke and collapse of alveoli deforming the alveolar chamber.

1. Both A and R are true R does not explain A
2. Both A and R are false
3. Both A and R are true and R explains A
4. A is true and R is false

Q. Poor health effects of smoking cigarette include

1. Poor diet
2. Lung damage
3. Both A and B
4. Brain damage

Q. What leads to the collapsing of air passages due to smoking?

1. Accumulation of mucus on the fibres
2. Destruction of the elastic fibres in bronchioles by protein destroying chemicals
3. Constant inhalation and exhalation leads to weakening of the elastic fibres in the bronchioles
4. Both A and B

Q. Deformation of alveoli leads to

1. Reduction in alveolar surface area due to formation of a single large cavity
2. Reduction in oxygen absorption by the alveoli
3. Increase in surface area of the alveoli due to formation of a single large cavity
4. Increase in oxygen absorption by the alveoli

Q. Cigarette smoke contains

1. Carbon
2. Tar
3. Nicotine
4. Niacin

Q. Incidence of Emphysema - a respiratory disorder is high in cigarette smokers. In such cases

1. the bronchioles are found damaged
2. the respiratory muscles are found damaged.
3. the plasma membrane Is found damaged
4. the alveolar walls are found damaged

Q. Deformation of alveoli leads to

1. Reduction in alveolar surface area due to formation of a single large cavity
2. Reduction in oxygen absorption by the alveoli
3. Increase in surface area of the alveoli due to formation of a single large cavity
4. Increase in oxygen absorption by the alveoli

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.

1. A is true and R is false
2. Both A and R are true R does not explain A
3. Both A and R are true and R explains A
4. Both A and R are false

Q.

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.

1. Both A and R are true and R explains A
2. Both A and R are true R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. Smoking leads to :

1. Lung cancer
2. Emphysema
3. Eczema
4. Coronary heart disease

Q. How does smoking tobacco in human lead to oxygen deficiency in their body?

Q. Why can a person not swallow food and talk at the same time?

1. In order to speak, air must come through the pharynx to form sounds.
2. Both B and C are correct.
3. In order to swallow, the epiglottis must close off the larynx (trachea).
4. The brain cannot control two activities at the same time.

Q. Increased asthma attacks that occurs in certain seasons are related to

1. eating fruits preserved in tin containers
2. inhalation of seasonal pollen grains
3. polio vaccination
4. Both b and c

Q. This drug only affects the brain

1. Cocoa Alkaloids
2. Morphine
3. Opioids
4. Cannabinoids