5 marksFoundation and Higher4.2.2.2 The heart and blood vessels4.2.2.3 Blood
AQA Trilogy 8464
Spec and skills
Paper scope: B1
Spec 4.2.2.2
Spec 4.2.2.3
Original practice question
Answer and supported method checks
During exercise a patient's heart rate is 120 beats/min and each side pumps 110 cm³ per beat. Cardiac output is the volume pumped by one side per minute.
.1
Calculate cardiac output in dm³/min.
[2 marks]
.2
Explain how increased cardiac output supports exercise.
[3 marks]
6 marksHigher4.2.2.6 The effect of lifestyle on some non-communicable diseases4.2.2.7 Cancer
AQA Trilogy 8464
Spec and skills
Paper scope: B1
Spec 4.2.2.6
Spec 4.2.2.7
Original practice question
Answer and supported method checks
A campaign says: "Every lung cancer case is caused by smoking, so non-smokers need not consider any cancer risks."
Evaluate the campaign statement.
[6 marks]
4 marksFoundation and Higher4.3.1.8 Antibiotics and painkillers
AQA Trilogy 8464
Spec and skills
Paper scope: B1
Spec 4.3.1.8
Original practice question
Answer and supported method checks
A patient with influenza asks for antibiotics and takes a painkiller to reduce fever.
.1
Explain why antibiotics do not cure influenza and why the painkiller may still help.
[2 marks]
.2
Explain why developing drugs against viruses can be difficult.
[2 marks]
4 marksFoundation and Higher4.2.3.2 Plant organ system
AQA Trilogy 8464
Spec and skills
Paper scope: B1
Spec 4.2.3.2
Original practice question
Answer and supported method checks
A potometer reservoir initially contains 24.0 cm³ of water. After 90 minutes it contains 17.7 cm³. A sealed control loses no water. The student claims that all 6.3 cm³ must have evaporated from the leaves.
.1
Calculate the shoot's mean uptake rate.
[2 marks]
.2
Evaluate the claim about evaporation.
[2 marks]
4 marksFoundation and Higher4.1.1.5 Microscopy
AQA Trilogy 8464
Spec and skills
Paper scope: B1
Spec 4.1.1.5
Original practice question
Answer and supported method checks
Eighteen approximately equal cells span a field diameter of 0.90 mm with no gaps.
.1
Estimate the mean cell width in micrometres.
[2 marks]
.2
Suggest why an individual cell may differ from this estimate.
