User interface language: English | Español

Date November 2018 Marks available 4 Reference code 18N.3.SL.tz0.4
Level Standard Level Paper Paper 3 Time zone time zone 0
Command term Evaluate Question number 4 Adapted from N/A

Question

Define ergogenic aid.

[1]
a.

Evaluate the use of beta blockers by athletes.

[4]
b.

Markscheme

a substance/device/phenomenon that can improve an athlete’s performance ✔

a.

Strengths:
«inhibit adrenaline and therefore» reduce nervousness/anxiety ✔

steady hand allows more motor control ✔

useful for target-based sports «such as archery, shooting, baseball pitching» ✔

Limitations:
illegal «in accordance with WADA code» ✔

can lead to cardiac arrest/excessive slowing of heart rate/ poor peripheral circulation ✔

erectile dysfunction ✔

digestive problems eg upset stomach/constipation/diarrhoea/nausea ✔

Candidates cannot be marked down for omitting limitations in this section.

b.

Examiners report

Clear definitions provided.

a.

This was answered reasonably well but many candidates only made three points in their evaluation and therefore restricted their marks for this question. There were a minority who did not understand what beta blockers do.

b.

Syllabus sections

Option A: Optimizing physiological performance » A.3. Non-nutritional ergogenic aids » A.3.5. Discuss the proposed and actual benefits that some athletes would hope to gain by using anabolic steroids, erythropoietin (EPO), beta blockers, caffeine and diuretics.
Option A: Optimizing physiological performance » A.3. Non-nutritional ergogenic aids » A.3.6. Outline the possible harmful effects of long-term use of anabolic steroids, EPO, beta blockers, caffeine and diuretics.
Option A: Optimizing physiological performance » A.3. Non-nutritional ergogenic aids
Option A: Optimizing physiological performance

View options