A level biology – Human Heart

Last updated: 18/02/2022

AQA A-Level Biology Mass Transport A level biology – Human Heart

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Question 1 of 28

1. Question
On the diagram what is labeled A?
- Left atrium
- Right ventricle
- Right atria
- Left ventricle
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Question 2 of 28

2. Question
On the diagram what is labeled B?
- Atrioventricular valve
- Semi lunar valve
- Septum
- Tendinous cords
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Question 3 of 28

3. Question
On the diagram what is labeled C?
- Left ventricle
- Right ventricle
- Right atria
- Left atrium
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Question 4 of 28

4. Question
On the diagram what is labeled D?
- Septum
- Semi lunar valve
- Tendinous cords
- Atrioventricular valve
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Question 5 of 28

5. Question
On the diagram what is labeled E?
- Right ventricle
- Left atrium
- Right atria
- Left ventricle
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Question 6 of 28

6. Question
On the diagram what is labeled F?
- Right atrium
- Right ventricle
- Left ventricle
- Left atrium
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Question 7 of 28

7. Question
On the diagram what is labeled G?
- Semi lunar valve
- Tendinous cords
- Atrioventricular valve
- Septum
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Question 8 of 28

8. Question
On the diagram what is labeled 1?
- Vena Cava
- Pulmonary vein
- Aorta
- Pulmonary artery
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Question 9 of 28

9. Question
On the diagram what is labeled 2?
- Aorta
- Vena Cava
- Pulmonary artery
- Venule
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Question 10 of 28

10. Question
On the diagram what is labeled 3?
- Pulmonary artery
- Aorta
- Pulmonary vein
- Venule
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Question 11 of 28

11. Question
Where is blood being carried to along vessel 1?
- Right atrium
- Left atrium
- Lungs
- Main body
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Question 12 of 28

12. Question
Where is blood being carried to along vessel 2?
- Main body
- Lungs
- Left atrium
- Right atrium
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Question 13 of 28

13. Question
Where is blood being carried to along vessel 3?
- Lungs
- Left atrium
- Main body
- Right atrium
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Question 14 of 28

14. Question
Which chamber of the heart has the thickest muscular wall?
- Left ventricle
- Right ventricle
- Left atrium
- Right atrium
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Question 15 of 28

15. Question
True or False – the atrioventricular valves open when the ventricular pressure falls below the atrial pressure?
- True
- False
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Question 16 of 28

16. Question
True or false – the semi lunar valves open when the aortic pressure falls below the ventricular pressure
- False
- True
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Question 17 of 28

17. Question
True or false – the tricuspid valve is found between the right atrium and right ventricle
- True
- False
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Question 18 of 28

18. Question
The SAN is found in the wall of a chamber of the heart. Which chamber?
- Right atrium
- Right ventricle
- Left atrium
- Left ventricle
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Question 19 of 28

19. Question
What is the role of the sinoatrial node?
- Pacemaker of the heart rate
- Delays the electrical impulse
- Separates the right and left sides of the heart
- To cause the ventricles to contract immediately
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Question 20 of 28

20. Question
What is the role of the atrioventricular node?
- Pass the electrical impulse down the Bundle of His
- Pass the electrical impulse to the SAN
- Pass the electrical impulse across the atrial walls
- Pass the electrical impulse across the ventricle walls
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Question 21 of 28

21. Question
What causes the first heart sound of a heart beat?
- AV valves closing
- AV valves opening
- Semi lunar valves opening
- Semi lunar valves closing
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Question 22 of 28

22. Question
What causes the second heart sound of a heart beat?
- Semi lunar valves closing
- AV valves opening
- AV valves closing
- Semi lunar valves opening
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Question 23 of 28

23. Question
What is happening in the heart to cause wave P on the electrocardiogram?
- Atrial systole
- Atrial diastole
- Ventricular systole
- Ventricular diastole
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Question 24 of 28

24. Question
What is happening in the heart to cause the QRS complex on the electrocardiogram?
- Ventricular systole
- Ventricular diastole
- Atrial systole
- Atrial diastole
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Question 25 of 28

25. Question
Which side of the heart contains deoxygenated blood?
- Right
- Left
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Question 26 of 28

26. Question
What is the name of the vessels supplying the heart muscle with oxygenated blood?
- Coronary arteries
- Pulmonary arteries
- Aorta
- Vena Cava
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Question 27 of 28

27. Question
What is the purpose of valves in the heart?
- To prevent backflow of blood
- To separate oxygenated and deoxygenated blood
- To ensure heart rate is appropriate
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Question 28 of 28

28. Question
Which blood vessel carries blood at the highest pressure?
- Aorta
- Pulmonary artery
- Pulmonary vein
- Vena Cava
Correct

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