DP Biology Questionbank
D.4 The heart
Description
| Nature of science: Developments in scientific research followed improvements in apparatus or instrumentation—the invention of the stethoscope led to improved knowledge of the workings of the heart. (1.8) |
|
Understandings:
|
Theory of knowledge:
|
Directly related questions
- 16N.3.SL.TZ0.15b: Suggest a reason for the difference in QT interval between females with anorexia nervosa and...
- 16N.3.SL.TZ0.15c: State the two causes of normal heart sounds.
- 16N.3.HL.TZ0.22b: Describe the electrical activity that occurs in the heart during the P wave.
- 16N.3.HL.TZ0.22c: Explain why the QRS wave has a larger amplitude than a P wave.
- 16N.3.SL.TZ0.15a: Outline the reasons that the female patients with anorexia nervosa have a lower mean ventricle...
-
16N.3.HL.TZ0.22a:
Using the R–R interval in this ECG, calculate the heart beats per minute (bpm) of this patient. Show your working.
- 17M.1.SL.TZ1.10: The graph shows the effect of increasing the substrate concentration on the rate of an...
- 17M.3.SL.TZ1.20a: Using the letters provided, identify the parts of the ECG where the ventricle muscles are...
- 17M.3.SL.TZ2.21b: Explain the meaning of systolic and diastolic pressure.
-
17M.3.HL.TZ1.19a:
Samples from cardiac muscle were taken during autopsies from individuals who had coronary heart disease (CHD) and a control group. The histogram shows the relationship between the quantity of cardiac muscle cells and their diameter in the left ventricle in the two groups.
Distinguish between the distribution of cardiac muscle cell diameters in the CHD and control groups.
- 17M.3.SL.TZ1.20b: State what is represented by the period between the points R and R’.
- 17M.3.SL.TZ1.20c: Outline the use of artificial pacemakers for patients with a heart condition.
- 17M.3.HL.TZ1.19c: Explain the reason for the delay between contractions of the atria and of the ventricles.
- 17M.3.HL.TZ1.21b.ii: Explain how the increase in CO2 concentration affects the release of oxygen to respiring cells.
-
17M.3.SL.TZ2.21a:
The diagram shows the use of a sphygmomanometer in the measurement of blood pressure.
Identify the systolic pressure and diastolic pressure for this adult male.
Systolic pressure (mm Hg):
Diastolic pressure (mm Hg):
- 17M.3.SL.TZ2.21c: The photomicrograph shows cardiac muscle. Label the structures I and II.
- 17M.3.HL.TZ1.19b: Describe how the structure of cardiac muscle cells allows them to transmit impulses.
- 17M.3.HL.TZ2.19b.i: Distinguish between the ECG trace of the patient with hypokalemia and the patient with hyperkalemia.
- 17M.3.HL.TZ2.19b.ii: Outline the events that occur within the heart that correspond to the QRS complex.
- 17M.3.HL.TZ2.19b.iii: Severe hypokalemia can lead to ventricular fibrillation. Describe the medical response to...
-
20N.3.HL.TZ0.22a:
Evaluate the effect of salt on blood pressure using the data in the graph.
- 20N.3.HL.TZ0.22c: Describe the mechanism by which the heartbeat is initiated.
- 20N.3.HL.TZ0.22b: State the instrument used by doctors to measure blood pressure.
-
17N.3.SL.TZ0.16c:
Outline reasons for fitting an artificial cardiac pacemaker.
- 17N.3.SL.TZ0.16a: State the relationship between pressure and volume in the left ventricle.
- 17N.3.SL.TZ0.16b: Explain the events that cause the sound shown on the phonocardiogram at the start of systole.
- 17N.3.HL.TZ0.22c: State an early invention that led to improved knowledge of the heart.
- 17N.3.HL.TZ0.22a: Identify the structure labelled X.
-
17N.3.HL.TZ0.22b:
Describe the unique properties of cardiac muscle cells.
-
18N.3.HL.TZ0.19b.ii:
State two effects hypertension can have on the circulatory system.
- 18N.3.HL.TZ0.19a: Compare and contrast the relationship between BMI and systolic blood pressure in males and females.
- 18N.3.SL.TZ0.17a: State how many normal heartbeats are shown in the ECGs.
- 18N.3.SL.TZ0.17c: Explain what is occurring in the heart during the peak of electrical activity as indicated by the...
- 18N.3.HL.TZ0.19b.i: Outline the relationship between systolic blood pressure and hypertension.
- 18N.3.HL.TZ0.19c: State how blood pressure and heart rate can be measured.
- 18N.3.SL.TZ0.17b: Outline how a defibrillator is used to restore normal heartbeat.
- 22M.1.HL.TZ1.40: What is the role of HCG in early pregnancy? A. It prevents the degeneration of the corpus luteum...
-
18M.3.SL.TZ1.16a:
Compare and contrast the data for the two time periods.
- 18M.3.HL.TZ2.22a: Outline one method that the researchers could have used to measure heart rate in this study.
-
18M.3.SL.TZ1.16c:
Outline two factors that are related to increased risk of developing CHD.
- 18M.3.HL.TZ2.22b: Suggest reasons for the change in maximum heart rate with increasing age.
- 18M.3.SL.TZ1.16b: Using the data, evaluate the claim that patients with diabetes have a higher risk of mortality...
-
18M.3.HL.TZ1.21a:
Outline the role of the sinoatrial node in the contraction of the heart.
- 18M.3.HL.TZ2.22c: Outline the use of defibrillation to treat life-threatening cardiac conditions.
- 18M.3.SL.TZ2.15c: The tracker indicated that the student had exceeded the recommended intake of dietary sodium....
- 18M.3.HL.TZ1.21b.ii: Suggest one factor other than age and hypertension that is correlated with the incidence of CHD.
- 18M.3.SL.TZ2.16b: Severe dehydration can lead to cardiac arrest. Outline the use of defibrillation to treat...
-
18M.3.HL.TZ1.21b.i:
The graph shows the results of a study of the incidence of coronary heart disease (CHD) in different age groups of men participating in a study carried out by the National Heart, Blood and Lung Institute.
Comment on the claim that the bar chart proves that old age causes CHD.
- 18M.3.HL.TZ1.21c: Hypertension has been suggested as a possible cause of CHD. Explain the possible causes of...
- 19M.3.SL.TZ1.15c.ii: Outline one event that occurs in the heart during the T wave.
-
19M.3.SL.TZ1.16b:
The micrograph shows cardiac muscle.
[Source: https://commons.wikimedia.org/wiki/File:Musculocardiaco.jpg by Goyitrina,
licensed Creative Commons Attribution-Share Alike 3.0]The structure labelled X in the micrograph is a junction between two cardiac muscle cells. Identify the structure labelled X.
- 19M.3.SL.TZ1.15c.i: Compare and contrast the two ECG traces.
- 19M.3.HL.TZ1.21b.ii: Explain how the structure of cardiac muscle cells allows propagation of stimuli through the heart...
- 19M.3.HL.TZ1.21a.ii: Describe briefly how an artificial pacemaker works.
- 19M.3.SL.TZ2.18a: Describe the structure of cardiac muscle cells.
- 19M.3.HL.TZ1.21b.i: The structure labelled X in the micrograph is a junction between two cardiac muscle cells....
- 19M.3.SL.TZ2.18b: State the name of the valves that prevent blood flowing from the arteries back into the heart.
-
19M.3.HL.TZ1.21a.i:
State one condition which would require the use of an artificial pacemaker.
-
19M.3.SL.TZ2.18d:
Sketch the pattern seen in a typical electrocardiogram (ECG) trace for one complete cardiac cycle, including labels of the main features.
-
19M.3.SL.TZ2.18c:
Distinguish between the different phases of the cardiac cycle in the atria and in the ventricular muscle.
- 19M.3.HL.TZ2.22a: State one function of the atrioventricular node.
-
19M.3.HL.TZ2.22b:
Describe how the structure of cardiac muscle cells allows them to carry out their function.
- 19N.3.HL.TZ0.21b: Outline the use of a defibrillator.
- 19N.3.SL.TZ0.19: Explain the heart sounds.
-
19N.3.HL.TZ0.21a:
The figure below shows the average death rates from coronary heart disease in the UK.
[Source: Bhatnagar P, Wickramasinghe K, Wilkins E, et al, Trends in the epidemiology
of cardiovascular disease in the UK, Heart 2016; 102: 1945–1952.]Suggest one reason for the general decrease in the incidence of coronary heart disease.
- 19N.3.HL.TZ0.21c: Explain the heart sounds.
- 19N.2.HL.TZ0.1h: Using all the data, discuss whether inoculating mice with the antigen to B. burgdorferi could be...
