User interface language: English | Español

Date November 2020 Marks available 2 Reference code 20N.3.SL.tz0.12
Level Standard Level Paper Paper 3 Time zone time zone 0
Command term Discuss Question number 12 Adapted from N/A

Question

Outline the possible long-term consequences of consuming excessive protein in the diet.

[2]
a.

Discuss recommendations for the consumption of high and low GI foods before and after a soccer match.

[2]
b.

Evaluate the use of caffeine-free sports drinks in a team sport.

[3]
c.

Markscheme

disorders of bone / calcium homeostasis;

disorders of renal function;

increased cancer risk <breast, bowel, prostate>;

disorders of liver function;

increased risk of coronary artery disease;

a.

high GI foods post competition may assist the body in restoring glycogen stores more rapidly;

high GI foods post competition may aid readiness for next training session;

low GI foods before competition may be beneficial for slow release of energy during performance;

high GI foods immediately pre competition may assist performance;

b.

Strengths:
promote/maintain/replenish hydration/electrolyte replacement;

promote glucose replacement, therefore increase endurance/maintains exercise intensity;

less likely to cause palpitations than caffeine drinks;

Limitations:
long-term overconsumption can cause energy imbalance;

can cause nausea/vomiting;

Award max [2] for strengths.

c.

Examiners report

No issues.

a.

Many responses lacked sufficient depth of analysis to suggest how several GI food recommendations might impact on a soccer match.

b.

Candidates struggled more than expected with this question.

c.

Syllabus sections

Option D: Nutrition for sports, exercise and health » D.4. Nutritional strategies » D.4.6. Explain the relevance of GI with regard to carbohydrate consumption by athletes pre- and post-competition.
Option D: Nutrition for sports, exercise and health » D.4. Nutritional strategies
Option D: Nutrition for sports, exercise and health

View options