Chapter 3

Question 1

Importance of calcium

Answer 1

-strengthens bone and teeth
-helps with blood clotting

Question 2

Importance of sodium

Answer 2

-Preserves nervous system
-Maintains body fluid balance

Question 3

Importance of iron

Answer 3

-Forms haemoglobin in blood

Question 4

Importance of iodine

Answer 4

-Synthesises hormones in thyroid gland

Question 5

Importance of phosphorous

Answer 5

-Strengthens bone and teeth
-Forms nucleic acid in DNA/ RNA

Question 6

Importance of potassium

Answer 6

-Helps w/ muscle contraction
-Maintain functions of nervous system

Question 7

Calcium deficiency

Answer 7

-Osteoporosis
-Rickets

Question 8

Sodium deficiency

Answer 8

Muscle cramps

Question 9

Iron deficiency

Answer 9

Anaemia

Question 10

Iodine deficiency

Answer 10

Goitre

Question 11

Phosphorous deficiency

Answer 11

-Rickets
-Brittle teeth

Question 12

Potassium deficiency

Answer 12

-Paralysis
-Muscles cramps

Question 13

Hydrochloric acid is secreted by__________

Answer 13

Stomach

Question 14

What enzymes in the stomach is secreted?

Answer 14

Hydrochloric acid and protease

Question 15

What is protease for?

Answer 15

Digest protein into polypeptides

Question 16

What enzyme reaction takes place in mouth

Answer 16

Starch is broken down by amylase to become maltose

Question 17

What enzyme small intestine secrete?

Answer 17

Maltase and protease

Question 18

What does maltase do?

Answer 18

Break down maltose into glucose

Question 19

Where is maltase found?

Answer 19

Small intestine

Question 20

In the small intestine, what does protease do?

Answer 20

Digest dipeptides into amino acid

Question 21

Pancreas in duodenum produces pancreatic juice. What does the juice contain?

Answer 21

(pancreatic) amylase, lipase and protease

Question 22

In duodenum, starch is turned into?

Answer 22

Maltose

Question 23

Fat in duodenum is converted to?

Answer 23

Fatty acid+ glyserol

Question 24

Vitamin B deficiency

Answer 24

-Beri-beri
-Anaemia

Question 25

Sources of Vitamin K

Answer 25

fish oil, milk, egg yolk

Question 26

Importance of vit. D

Answer 26

-Helps absorption of calcium -Strengthen tooth enamel -Maintain skin health

Question 27

Source of vit. C

Answer 27

Fruit and vege

Question 28

Importance of vit. A

Answer 28

-Improve night vision -Maintain skin health

Question 29

Vit. E deficiency

Answer 29

-sterility -miscarriage

Question 30

Importance of vit. E

Answer 30

-Maintain function of reproductive system

Question 31

Sources of vit. D

Answer 31

butter, eggs, fish oil, (sunlight)

Question 32

Sources of vit. B

Answer 32

yeast, liver, eggs

Question 33

Importance of vit C

Answer 33

-fight diseases -maintain gum and mouth health

Question 34

Vit. A deficiency

Answer 34

-night blindness -skin diseases

Question 35

Vit C. deficiency

Answer 35

Scurvy (bleeding gums)

Question 36

Vit. D deficiency

Answer 36

-Rickets -Toothache -skin disease

Question 37

Importance of vit. K

Answer 37

speed up blood-clotting process

Question 38

Vit. K deficiency

Answer 38

prolonged bleeding

Question 39

Importance of vit. B

Answer 39

-maintain functions of nervous system -formation of rbc (red blood cells)

Question 40

Sources of vit. E

Answer 40

grains, green vege

Question 41

sources of vit. A

Answer 41

milk, egg yolk, fish oil