| Date | May 2022 | Marks available | 1 | Reference code | 22M.1.SL.tz0.7 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
The diagram represents blood flow in the heart, muscle, brain and skin of an athlete (i) at rest and (ii) at maximal exercise.
[Source: Copyright © 2015 the American Physiological Society.]
Which represents the blood flow for muscle when changing from rest to exercise?
Markscheme
A
Examiners report
G2 form comments liked the new presentation of this topic. Most candidates selected A which was the correct answer. A number of candidates did select B, C & D and therefore may not have read the question in full.
Syllabus sections
Topic 2: Exercise physiology » 2.2. Structure and function of the cardiovascular system » 2.2.12. Compare the distribution of blood at rest and the redistribution of blood during exercise.
- 21M.2.SL.tz0.2c: Explain the changes in blood distribution that occur during an endurance training run.
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18N.1.SL.tz0.8:
Which demonstrates how blood is redistributed to the working muscles during exercise?
- 18N.1.HL:.tz0.7: Which demonstrates how blood is redistributed to the working muscles during exercise?
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17N.2.SL.tz0.7d:
Analyse the distribution of blood during maximal exercise.
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19M.2.HL:.tz0.4c:
Explain the redistribution of blood during exercise.
- 20N.1.HL:.tz0.6: Which tissues receive most of the blood during exercise? A. Kidneys and working muscles B....
- 20N.2.SL.tz0.7d: Discuss the distribution of blood at rest and redistribution of blood during strenuous exercise.
