| Date | November 2019 | Marks available | 3 | Reference code | 19N.2.SL.tz0.4 |
| Level | Standard Level | Paper | Paper 2 | Time zone | time zone 0 |
| Command term | Explain | Question number | 4 | Adapted from | N/A |
Question
Explain the cause of the blood pressure response shown in the graph.
[Source: adapted, with permission, from G. Haff and C. Dumke, Laboratory Manual for Exercise Physiology,
1st edition, © 2012 Human Kinetics, Inc.]
Markscheme
increased systolic blood pressure due to dynamic exercise, eg, running ✔
systolic BP increases (with dynamic workload) as a result of increased stroke volume ✔
systolic blood pressure increases proportionally as cardiovascular workload increases ✔
diastolic BP remains constant through the repetitive action of the muscles on the blood vessels ✔
diastolic BP is constant due to a decrease in total peripheral resistance ✔
Examiners report
[N/A]
