| Date | May 2022 | Marks available | 1 | Reference code | 22M.1.SL.tz0.6 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 6 | Adapted from | N/A |
Question
What blood vessel does the cardiovascular system use to send deoxygenated blood to the lungs?
A. The aorta
B. The vena cava
C. The pulmonary vein
D. The pulmonary artery
Markscheme
D
Examiners report
Candidates addressed this question well. Most candidates selected D as the correct answer, C was the main distractor.
Syllabus sections
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19N.1.SL.tz0.5:
The diagram shows an anterior view of the heart. Which blood vessel is labelled X?
[Source: adapted from Heart diagram with labels in, ZooFari, https://en.wikipedia.org/wiki/Cardiology#/media/File:Heart_
diagram_blood_fl ow_en.svg, licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license,
https://creativecommons.org/licenses/by-sa/3.0/legalcode]A. Aorta
B. Pulmonary artery
C. Pulmonary vein
D. Vena cava
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17M.1.SL.tz0.7:
What is the structure labelled X in the diagram below?
[Source: © International Baccalaureate Organization 2017]
A. Bicuspid valve
B. Tricuspid valve
C. Aortic valve
D. Pulmonary valve
- 19M.1.SL.tz0.7: What type of blood is pumped by each of the blood vessels listed?
- 18N.2.HL:.tz0.9a: Describe the path taken by blood from the right ventricle to the left ventricle.
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20N.1.SL.tz0.7:
The diagram shows the human heart. Which valve is labelled X?
[Source: Adapted from Heart diagram with labels in, ZooFari, https://en.wikipedia.org/wiki/
Cardiology#/media/File:Heart_diagram_blood_flow_en.svg, licensed under the Creative Commons Attribution-Share
Alike 3.0 Unported license, https://creativecommons.org/licenses/by-sa/3.0/legalcode.]A. Bicuspid
B. Tricuspid
C. Aortic
D. Pulmonary
- 21M.2.SL.tz0.2a: State the blood vessels A, B and C in the diagram. A: B: C:
-
21M.2.HL:.tz0.4a:
Describe the functions of the main blood vessels connecting the heart and the lungs.
