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Date November 2009 Marks available 1 Reference code 09N.3.SL.TZ0.2
Level Standard level Paper Paper 3 Time zone TZ0
Command term State Question number 2 Adapted from N/A

Question

State one consequence of protein deficiency malnutrition.

[1]
a.

Outline the reasons for increasing rates of clinical obesity in some countries.

[3]
b.

Markscheme

lack of blood plasma proteins;

subsequent tissue fluid retention;

swelling of abdomen;

retarded physical and mental development of children;

muscle wastage;

a.

sedentary lifestyle/occupations / lack of exercise;

diets high in processed contents / low in complex carbohydrates;

diets high in fat; availability of inexpensive food / large portion sizes;

b.

Examiners report

Many candidates just mentioned marasmus or kwashiorkor, but this was just restating the stem, as these terms mean “deficiency of proteins”. Symptoms of the disease were expected.

a.

Some candidates scored maximum marks by giving accurate information. Others only mentioned one reason for obesity, so only scored one mark.

b.

Syllabus sections

Option D: Human physiology » Option D: Human physiology (Core topics) » D.1 Human nutrition
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