, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 A person has coronary heart disease.
0 1 . 1 Which blood vessels are affected by coronary heart disease?
[1 mark]
Tick () one box.
Arteries
Capillaries
Veins
A person’s heart stops beating.
The person stops breathing.
A first-aider pushes down on the person’s chest.
Pushing down on the person’s chest puts pressure on the heart.
0 1
. 2 Explain why putting pressure on the heart helps the person.
[2 marks]
IB/M/Jun24/8461/1H
, 3
Do not write
outside the
0 1 . 3 The first-aider also forces air into the person’s lungs by blowing into their mouth.
box
Describe how forcing air into the person’s lungs helps the person.
[1 mark]
0 1 . 4 The person’s heart starts to beat again and the person starts breathing.
The person has a high level of cholesterol in their blood.
Name one type of drug that would decrease the level of cholesterol in the
person’s blood.
[1 mark]
0 1 . 5 A doctor decides that the person needs to have a stent fitted.
Explain how a stent works to treat coronary heart disease.
[2 marks]
Question 1 continues on the next page
Turn over ►
IB/M/Jun24/8461/1H
, 4
Do not write
outside the
Table 1 shows the effect of smoking on the risk of developing different box
cardiovascular diseases.
Table 1
Percentage (%) increase in risk
Cardiovascular
compared to people who have
disease
never smoked
E 14
F 20
G 29
H 70
0 1 . 6 Give two conclusions that can be made from the data in Table 1.
[2 marks]
1
2
0 1 . 7 Complete Figure 1.
You should:
label the y-axis
add the correct scale to the y-axis
plot the data from Table 1
label each bar.
The bar for cardiovascular disease E has been plotted for you.
[4 marks]
IB/M/Jun24/8461/1H
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 A person has coronary heart disease.
0 1 . 1 Which blood vessels are affected by coronary heart disease?
[1 mark]
Tick () one box.
Arteries
Capillaries
Veins
A person’s heart stops beating.
The person stops breathing.
A first-aider pushes down on the person’s chest.
Pushing down on the person’s chest puts pressure on the heart.
0 1
. 2 Explain why putting pressure on the heart helps the person.
[2 marks]
IB/M/Jun24/8461/1H
, 3
Do not write
outside the
0 1 . 3 The first-aider also forces air into the person’s lungs by blowing into their mouth.
box
Describe how forcing air into the person’s lungs helps the person.
[1 mark]
0 1 . 4 The person’s heart starts to beat again and the person starts breathing.
The person has a high level of cholesterol in their blood.
Name one type of drug that would decrease the level of cholesterol in the
person’s blood.
[1 mark]
0 1 . 5 A doctor decides that the person needs to have a stent fitted.
Explain how a stent works to treat coronary heart disease.
[2 marks]
Question 1 continues on the next page
Turn over ►
IB/M/Jun24/8461/1H
, 4
Do not write
outside the
Table 1 shows the effect of smoking on the risk of developing different box
cardiovascular diseases.
Table 1
Percentage (%) increase in risk
Cardiovascular
compared to people who have
disease
never smoked
E 14
F 20
G 29
H 70
0 1 . 6 Give two conclusions that can be made from the data in Table 1.
[2 marks]
1
2
0 1 . 7 Complete Figure 1.
You should:
label the y-axis
add the correct scale to the y-axis
plot the data from Table 1
label each bar.
The bar for cardiovascular disease E has been plotted for you.
[4 marks]
IB/M/Jun24/8461/1H
