Self-test questions: Chapter 46

. A food intake that lacks fats would provide adequate nutrition.

True

False

. Which of the following statements concerning the major foodstuffs are correct?

The body stores glucose as glycogen in skeletal muscle.

All essential amino acids are found in meat.

Plant oils are a source of unsaturated fatty acids.

Ketones are likely to be present in the urine of an individual eating a predominantly carbohydrate diet.

. Which of the following statements regarding dietary requirements of the major foodstuffs are correct?

Humans can synthesize many of the amino acids found in proteins.

Children who have a protein deficient diet may develop kwashiorkor.

Oedema is a characteristic feature of marasmus.

People whose diets are low in fats often suffer from fatty acid deficiency diseases.

. Which of the following statements concerning vitamin disorders are correct?

Excess intake of vitamin A can cause severe toxic reactions.

Vitamin B1 deficiency may cause severe neurological disorders.

Vitamin B12 deficiency results in microcytic anaemia.

Rickets can be prevented by large doses of vitamin C.

. Vitamin E promotes the synthesis of prothrombin

True

False

. Regarding body weight and the diet:

A person suffering from bulimia nervosa is likely to be severely underweight.

An individual with a BMI of 25 kg m-2 is overweight.

A growing child may have a BMI significantly below 18 kg m-2 and yet be perfectly healthy.

Positive nitrogen balance occurs when protein breakdown exceeds protein synthesis.

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