Directly related questions
- 19M.1A.HL.TZ2.25: What causes the atrioventricular valves to close during a heartbeat? A. Pressure in the atria is...
- 19M.1A.HL.TZ2.25: What causes the atrioventricular valves to close during a heartbeat? A. Pressure in the atria is...
- 19M.1A.HL.TZ2.25: What causes the atrioventricular valves to close during a heartbeat? A. Pressure in the atria is...
- 19M.1A.HL.TZ2.25: What causes the atrioventricular valves to close during a heartbeat? A. Pressure in the atria is...
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19M.2.HL.TZ2.3a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ2.3a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ2.a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ2.3a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ2.3a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ2.a:
The graph shows blood pressure changes on the left side of the heart during one heartbeat. Identify the two parts of the circulatory system that produce traces I and II on the graph.
[Source: © International Baccalaureate Organization 2019]
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19M.2.HL.TZ1.21a.i:
State one condition which would require the use of an artificial pacemaker.
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19M.2.HL.TZ1.a.i:
State one condition which would require the use of an artificial pacemaker.
- 19M.2.HL.TZ1.21a.ii: Describe briefly how an artificial pacemaker works.
- 19M.2.HL.TZ1.a.ii: Describe briefly how an artificial pacemaker works.
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19M.2.HL.TZ2.18c:
Distinguish between the different phases of the cardiac cycle in the atria and in the ventricular muscle.
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19M.2.HL.TZ2.c:
Distinguish between the different phases of the cardiac cycle in the atria and in the ventricular muscle.
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19M.2.HL.TZ2.18c:
Distinguish between the different phases of the cardiac cycle in the atria and in the ventricular muscle.
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19M.2.HL.TZ2.c:
Distinguish between the different phases of the cardiac cycle in the atria and in the ventricular muscle.
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19M.2.HL.TZ2.18d:
Sketch the pattern seen in a typical electrocardiogram (ECG) trace for one complete cardiac cycle, including labels of the main features.
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19M.2.HL.TZ2.d:
Sketch the pattern seen in a typical electrocardiogram (ECG) trace for one complete cardiac cycle, including labels of the main features.
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19M.2.HL.TZ2.18d:
Sketch the pattern seen in a typical electrocardiogram (ECG) trace for one complete cardiac cycle, including labels of the main features.
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19M.2.HL.TZ2.d:
Sketch the pattern seen in a typical electrocardiogram (ECG) trace for one complete cardiac cycle, including labels of the main features.
- 19N.1B.HL.TZ0.21c: Explain the heart sounds.
- 19N.1B.HL.TZ0.c: Explain the heart sounds.
- 19N.1B.HL.TZ0.21c: Explain the heart sounds.
- 19N.1B.HL.TZ0.c: Explain the heart sounds.
- 19N.1B.HL.TZ0.19: Explain the heart sounds.
- 19N.1B.HL.TZ0.19: Explain the heart sounds.
- 19N.1B.HL.TZ0.19: Explain the heart sounds.
- 19N.1B.HL.TZ0.19: Explain the heart sounds.
- 20N.2.HL.TZ0.22c: Describe the mechanism by which the heartbeat is initiated.
- 20N.2.HL.TZ0.c: Describe the mechanism by which the heartbeat is initiated.
- 20N.2.HL.TZ0.22c: Describe the mechanism by which the heartbeat is initiated.
- 20N.2.HL.TZ0.c: Describe the mechanism by which the heartbeat is initiated.
- 21M.1A.HL.TZ2.25: The diagram shows changes in pressure in the left atrium, left ventricle and aorta during a...
- 21M.1A.HL.TZ2.25: The diagram shows changes in pressure in the left atrium, left ventricle and aorta during a...
- 21M.1A.HL.TZ2.25: The diagram shows changes in pressure in the left atrium, left ventricle and aorta during a...
- 21M.1A.HL.TZ2.25: The diagram shows changes in pressure in the left atrium, left ventricle and aorta during a...
- 22M.1A.HL.TZ2.25: Changes in heart rate occur during and after a period of exercise. Which structure sends...
- 22M.1A.HL.TZ2.25: Changes in heart rate occur during and after a period of exercise. Which structure sends...
- 22M.1A.HL.TZ2.25: Changes in heart rate occur during and after a period of exercise. Which structure sends...
- 22M.1A.HL.TZ2.25: Changes in heart rate occur during and after a period of exercise. Which structure sends...
- 23M.1A.HL.TZ2.27: The diagram shows the pressure changes in the left atrium, left ventricle and aorta during part...
- 23M.1A.HL.TZ2.27: The diagram shows the pressure changes in the left atrium, left ventricle and aorta during part...
- 23M.1A.HL.TZ2.27: The diagram shows the pressure changes in the left atrium, left ventricle and aorta during part...
- 23M.1A.HL.TZ2.27: The diagram shows the pressure changes in the left atrium, left ventricle and aorta during part...
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23M.2.HL.TZ2.6b:
Outline the role of the right atrium in the cardiac cycle.
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23M.2.HL.TZ2.6b:
Outline the role of the right atrium in the cardiac cycle.
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23M.2.HL.TZ2.b:
Outline the role of the right atrium in the cardiac cycle.
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23M.2.HL.TZ2.6b:
Outline the role of the right atrium in the cardiac cycle.
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23M.2.HL.TZ2.6b:
Outline the role of the right atrium in the cardiac cycle.
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23M.2.HL.TZ2.b:
Outline the role of the right atrium in the cardiac cycle.
- 23M.2.HL.TZ1.22a: Calculate how long all the heart chambers are in diastole at the same time.
- 23M.2.HL.TZ1.a: Calculate how long all the heart chambers are in diastole at the same time.
- 23M.2.HL.TZ1.22a: Calculate how long all the heart chambers are in diastole at the same time.
- 23M.2.HL.TZ1.a: Calculate how long all the heart chambers are in diastole at the same time.
- 23M.2.HL.TZ1.22b: State the letter on an ECG corresponding with the events from 0.0 to 0.1 s.
- 23M.2.HL.TZ1.b: State the letter on an ECG corresponding with the events from 0.0 to 0.1 s.
- 23M.2.HL.TZ1.22b: State the letter on an ECG corresponding with the events from 0.0 to 0.1 s.
- 23M.2.HL.TZ1.b: State the letter on an ECG corresponding with the events from 0.0 to 0.1 s.
- 23M.2.HL.TZ1.22c: Describe the state of the heart valves at 0.3 s.
- 23M.2.HL.TZ1.c: Describe the state of the heart valves at 0.3 s.
- 23M.2.HL.TZ1.22c: Describe the state of the heart valves at 0.3 s.
- 23M.2.HL.TZ1.c: Describe the state of the heart valves at 0.3 s.