B7.3 Smoking and the risk of disease

Question 1

What is nicotine?

Answer 1

A drug found in tobacco smoke - produces a sensation of calm well being

Question 2

What are the problems of carbon monoxide in the tobacco smoke?

Answer 2

It is a poisonous gas that takes up some of the oxygen - carrying capacity of your blood - leads to shortage of oxygen - becoming breathless

Question 3

What are the problems of smoking during pregnancy?

Answer 3

Can lead the fetus may not getting enough oxygen to grow properly

Question 4

What is tar?

Answer 4

Sticky black substance that accumulates in the lungs turning them from pink to grey

Question 5

What is bronchitis?

Answer 5

Inflammation and infection of the bronchi

Question 6

How does chronic obstructive pulmonary disease occur?

Answer 6

Build up of tar that destroys the structure of the alveoli - reducing surface area to volume ratio of lungs - leading to sever breathlessness

Question 7

What can carcinogens do?

Answer 7

Can cause the cilia in the trachea which moves bacteria and mucus in the lungs away from your lungs to become anaesthetised - allowing pathogens to enter your lungs

Question 8

What can smoking do to the arteries?

Answer 8

Increase risk of clot formation

Can also lead to an increase in blood pressure and leads to coronary heart disease