test 42- food

Question 1

• a …. diet contains all the necessary substances required by body cells.

Answer 1

balanced

Question 2

• there can be adverse effects from overeating as well as from …. .

Answer 2

undernutrition

Question 3

• a varied diet ‏is the best way to ensure an adequate …. of all the essential nutrients.

Answer 3

intake

Question 4

• the essential nutrients are water, carbohydrate, protein, lipid, vitamins, and …. .

Answer 4

minerals

Question 5

• carbohydrates are the main source of ..(1).. . they comprise sugars, ..(2).. and complex polysaccharides.

Answer 5

(1) energy

(2) starches

Question 6

• fruit and vegetables provide carbohydrate but leaves and stalks can be indigestible because they contain more …. .

Answer 6

cellulose

Question 7

• the component …. of protein are essential for structural maintenance, physiological regulation and energy supply.

Answer 7

amino acids

Question 8

• high quality protein which is easily digested and ..(1).. is found in meat, eggs, milk, and fish and ..(2).. (beans, peas, lentils etc).

Answer 8

(1) absorbed

(2) pulses

Question 9

• lipids provide concentrated energy and are used by the body to store energy. they provide ..(1).. under the skin, ..(2).. major organs from trauma and are required for effective neural function.

Answer 9

(1) insulation

(2) protect

Question 10

• they give food aroma and …. , increase palatability and give a feeling of satiety.

Answer 10

flavour

Question 11

• only small …. of vitamins are required.

Answer 11

amounts

Question 12

• water-soluble vitamins are easily … from the body.

Answer 12

lost

Question 13

• fat-soluble vitamins are absorbed from the small intestine and are found in ..(1).. and plant oils. they can be ..(2).. in the liver and adipose tissue.

Answer 13

(1) fish

(2) stored

Question 14

• vitamin B complex includes thiamine, …. and nicotinic acid.

Answer 14

riboflavin

Question 15

• foods providing these include …. (wheat, rye) yeast, milk and eggs.

Answer 15

cereals

Question 16

• there are many minerals that are essential for health, but iron, …. , and zinc are the most significant.

Answer 16

iodine

Question 17

• zinc is involved in enzyme reactions and is important during periods of growth and wound …. . it is found in animal products.

Answer 17

healing

Question 18

iron is a major component of ..(1).. and is important in enzyme processes and in the immune response. iron is found in most foods but must be in ..(2).. form.

Answer 18

(1) haemoglobin

(2) bioavailable