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Date November 2019 Marks available 2 Reference code 19N.3.HL:.tz0.16
Level Higher Level Paper Paper 3 Time zone time zone 0
Command term Identify Question number 16 Adapted from N/A

Question

State one acute effect of excessive alcohol use.

[1]
a.

Identify possible effects of chronic and excessive alcohol use on the brain and liver.

[2]
b.

Markscheme

increased urine production ✔

dehydration caused by the effect of alcohol on the release of ADH ✔

loss of coordination/ reduced ability to concentrate ✔

reduced inhibitions «become more aggressive» ✔

markedly reduced heart rate, potentially leading to unconsciousness or coma ✔

cognitive impairment - slurred speech/vision impairment ✔

vasodilation to the skin ✔

decreased blood viscosity ✔

reduced core body temperature ✔

raised blood pressure ✔

effects on kidney function ✔

slowed / impaired adaptation to heat and cold ✔

Accept appropriate example of effect

a.

Brain:

loss of memory / blackouts ✔

causes poor muscle coordination ✔

anxiety and depression ✔

causes mental confusion ✔

cerebral hemorrhage ✔

causes paralysis of the eye ✔

deficiency in thiamine (B1) ✔

<due to liver disease> disturbed sleep patterns / mood / personality ✔

<due to liver disease> shaking hands ✔

Liver:

inflamed liver / liver disease ✔

cirrhosis/ scarring ✔

cancer ✔

fatty liver disease ✔

Award [1 max] per organ.

b.

Examiners report

[N/A]
a.
[N/A]
b.

Syllabus sections

Option D: Nutrition for sports, exercise and health » D.6. The effects of alcohol on performance and health (HL only) » D.6.2. Outline the possible effects of excessive chronic alcohol intake on body systems.
Option D: Nutrition for sports, exercise and health » D.6. The effects of alcohol on performance and health (HL only)
Option D: Nutrition for sports, exercise and health

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