| Date | May 2022 | Marks available | 1 | Reference code | 22M.1.SL.tz0.5 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 5 | Adapted from | N/A |
Question
Which occurs during the inhalation phase of ventilation during exercise?
Markscheme
C
Examiners report
The correct answer was C with a high proportion selecting C. Interestingly A was the main distractor. A reminder that the internal intercostal muscles contract during forced exhalation during strenuous exercise to increase the rate of breathing.
Syllabus sections
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18N.1.SL.tz0.6:
What is the action of the diaphragm and the external intercostal muscles during exhalation?
- 16M.2.SL.tz0.2c: Explain the mechanics of inhalation in the human lungs.
- 18N.1.HL:.tz0.5: What is the action of the diaphragm and the external intercostal muscles during exhalation?
- 19N.1.HL:.tz0.3: What is the action of the diaphragm and the alveolar pressure relative to the atmospheric...
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16N.2.SL.tz0.7a:
Explain the mechanics of pulmonary ventilation in the human lungs at rest.
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17N.2.SL.tz0.5b:
Describe the mechanics of inspiration in the final stages of a cycling race.
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19N.2.SL.tz0.6d:
Explain how the mechanics of exhalation change from rest to exercise.
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19M.2.SL.tz0.5a:
Describe the mechanics of ventilation during high intensity interval training.
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20N.2.HL:.tz0.3e:
Explain the mechanics of inspiration for an athlete completing an aerobic fitness test.
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21M.2.HL:.tz0.4b:
Explain the mechanics of inhalation in the lungs during exercise.
