| Date | May 2016 | Marks available | 1 | Reference code | 16M.1.SL.tz0.9 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Which | Question number | 9 | Adapted from | N/A |
Question
Which of the following is correct for an athlete who is exercising at a steady pace on flat terrain for a prolonged period of time?
A. Stroke volume gradually decreases and submaximal heart rate gradually increases
B. Cardiac output gradually decreases as they get used to the exercise load
C. Stroke volume and submaximal heart rate gradually decrease
D. Stroke volume and submaximal heart rate gradually increase
Markscheme
A
Examiners report
Another difficult question based on AS 2.2.2 and 2.2.8 (which includes the term ‘cardiovascular drift’ in the SEHS syllabus), with D as the main distractor. More candidates chose D than A (correct response).
