| Date | November 2018 | Marks available | 3 | Reference code | 18N.3.HL:.tz0.12 |
| Level | Higher Level | Paper | Paper 3 | Time zone | time zone 0 |
| Command term | Explain | Question number | 12 | Adapted from | N/A |
Question
Identify two potential causes of sudden cardiac death in athletes.
Explain the role of moderate exercise on mortality.
Markscheme
underlying medical history / genetic disorders ✔
underlying problem when accompanied with high intensity exercise ✔
underlying problem when accompanied with habitual weekly exercise ✔
moderate exercise (eg walking) is associated with a lower risk of mortality ✔
improved metabolic rates and VO2max improves aerobic capacity ✔
increased energy expenditure reduces risk of obesity ✔
improved plasma lipid profiles reduce risk of atherosclerosis ✔
decreased adiposity reduces risk of atherosclerosis ✔
decreased blood pressure reduces risk of cardiovascular disease ✔
reduced risk of skeletal injuries and potential periods of physical inactivity ✔
Social well-being eg, walking with groups/friends ✔
Psychological benefits eg, increased self-esteem from losing weight ✔
Examiners report
Candidates appeared well prepared for this option and it seemed popular with the students. It was done very well overall. No issues to report on the questions.
Candidates appeared well prepared for this option and it seemed popular with the students. It was done very well overall. No issues to report on the questions.
