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Final exam revision

Total questions: 51

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Match the following terms with its definition.

a)

putting food into your mouth.

1.

ingestion

b)

the physical and chemical breakdown of food into small molecules.

2.

digestion

c)

undigested materials pass out the body.

3.

elimination

d)

Food molecules are absorbed into the circulatory system by cells in the small intestine.

4.

absorption

2.

Match the following terms with its definition.

a)

physical breakdown of large pieces of food into smaller pieces.

1.

Mechanical digestion

b)

enzymes break down food into small molecules that the body can use.

2.

Chemical digestion

c)

too much water is absorbed from the feces.

3.

Constipation

d)

too little water is absorbed from feces.

4.

Diarrhea

3.

Match the following terms with its definition

a)

the study of food and its effects on the body

1.

nutrition

b)

The measure of energy in food

2.

Calorie

c)

a small, finger-shaped structure lining the small intestine that absorbs nutrients.

3.

Villus

d)

the contractions of smooth muscle that move food through the digestive system.

4.

peristalsis

4.

Match the nutrient with its corresponding function.

a)

Provide the body with building materials for growth and repair.

1.
Proteins
b)

Needed to build cell membrane, produce certain hormones and store energy.

2.
Fats
c)

Essential for the formation of red blood cells and transporting oxygen.

3.
Iron
d)

Makes up the bulk of most body fluids.

4.

Water

e)

Important for the formation of strong bones and teeth.

5.
Calcium
5.

Match the following nutrients with its corresponding function

a)

 Polymers of amino acids.

1.

protein

b)

Maybe monosaccharides, disaccharides, and polysaccharides.

2.

carbohydrate

c)

May be fat-soluble or water-soluble.

3.

vitamins

d)

Iron or calcium belong to which class of nutrients

4.

Mineral

e)

may be saturated and unsaturated

5.

fat

6.

Match the following nutrient with its function.

a)

good for vision and eye health.

1.

Vitamin A

b)

collagen formation and good for immune system.

2.

Vitamin C

c)

build and maintain healthy bones.

3.

Vitamin D

d)

good for blood clotting.

4.

Vitamin K

7.

Label different types of teeth.

8.

Label the digestive system part I.

9.

Label the different structures of the digestive system.

10.

Label the cuspid tooth.

11.

Identify the molars.

12.

Identify the bicuspids.

13.

Identify the incisors.

14.

Match the following digestive juice (消化液)with the active site (作用场所)

15.

Match the following enzymes with their effect on food.

a)

breaks protein into peptides.

1.

Pepsin

b)

breaks down starch into disaccharides.

2.

Salivary amylase

c)

breaks lipid into fatty acids and glycerols.

3.

lipase

16.

Match the following digestive enzymes with their function on food.

a)

Continues the breakdown of starch.

1.

pancreatic amylase

b)

Continues the breakdown of protein

2.

trypsin

c)

Kill the bacteria.

3.

lysozyme

17.

Match the following components of the digestive juices with their function.

a)

 to neutralize the acid in the chyme and protect the lining of the small intestine.

1.

Sodium bicarbonates

b)

regulate the blood sugar.

2.

Hormones by the pancreas

c)

helps fat digestion

3.

bile

18.

Where is the bile produced/secreted (产生分泌)?

19.

Where is the bile stored (储存)?

20.

The secretion of stomach glands is consisted of

a)

Hydrochloric acid

b)

pepsin

c)

Mucus

d)

Trypsin

21.

The production of the pancreas is consisted of

a)

sodium bicarbonates

b)

pancreatic amylase, trypsin and lipase

c)

 hormones that regulate blood sugars

d)

pepsin, salivary amylase

22.

What kind(s) of digestion happen in the mouth?

a)

Mechanical digestion by teeth

b)

Mechanical digestion by enzyme

c)

Chemical digestion by enzymes

d)

Chemical digestion by teeth

23.

Differentiate types of digestion.

Categorize the following

churning to form chyme

grinding and tearing by teeth

peristalsis by intestines

gastric juice: HCL, pepsin, mucus

digestion by salivary amylase

digestion by enzymes in the small intestine

Mechanical digestion
chemical digestion
24.

What are the functions of the mouth?

a)

Chemical digestion of amylase.

b)

Mechanical digestion by teeth.

c)

Peristalsis pushed food down to the stomach.

d)

Mechanical digestion: churning to form chyme

25.

What are the digestive functions of stomach?

a)

Chemical digestion by gastric juice: pepsin, HCL and mucus.

b)

Mechanical digestion: churning to form chyme

c)

Mechanical digestion by teeth.

d)

Duodenum absorbs most nutrients.

26.

What are the functions of large intestine?

a)

Absorbs water and vitamins.

b)

Feces pass out the body via the large intestine.

c)

Most absorption happens here.

d)

Most digestion by enzymes happens here.

27.

What are the functions of the duodenum?

a)

Most digestion happens here

b)

Most absorption happens here

c)

Mostly absorbs water and vitamins.

d)

Peristalsis pushed food down to the stomach.

28.

Order the process of digestion

a)

Ingestion

b)

Digestion

c)

Absorption

d)

Elimination

1)
2)
3)
4)
29.

What are the four phases of digestion?

4 lines
30.

Match the following macromolecules with their basic units

a)

Carbonhydrates

1.

monosaccharides

b)

Proteins

2.

amino acids

c)

Fats

3.

fatty acids and glycerol

31.

Main source of energy.

a)

Fats

b)

Carbohydrates

c)

Protein

d)

minerals

e)

Vitamins

32.

Choose which fat is associated with heart problems.

a)

Saturated fatty acids

b)

Unsaturated fatty acids

c)

Trans fat

33.

Which of the following nutrient is a major component (主要成分)of cell membrane?

a)

Fat

b)

Protein

c)

Vitamin

d)

Carbohydrate

34.

Sex hormones is derived from (源自于) which nutrient?

a)

fat/lipid

b)

Carbohydrates

c)

Protein

d)

Vitamin

35.

The function of fat does NOT include

a)

Protecting (保护) and insulating organs.

b)

Storing energy.

c)

Producing sex hormones.

d)

the main resource (主要来源)of energy.

36.

Which food is rich in (富含) protein?

a)

Eggs

b)

Vegetables

c)

fruits

d)

bread

37.

Lily has recently experienced bad eyesight (视力不佳) and she is diagnosed with Vitamin A deficiency, how would you design her diet?

a)

Adds liver and carrot(胡萝卜)into her diet.

b)

Adds vegetables into her diet.

c)

Adds spinach (菠菜) and red meat into her diet.

d)

Adds dairy food into her diet.

38.

Bob is not satisfied with his height and he is 13 years old, Vitamin D facilitates the absorption of Calcium. Which food would you advise him to increase in the diet?

a)

Salmon and dairy food

b)

leafy vegetables

c)

liver and carrots

d)

citrus fruit (柑橘类水果)

39.

Which food is rich in vitamin K?

a)

leafy vegetable

b)

citrus fruits (柑橘类水果)

c)

eggs

d)

liver and carrots

40.

A patient with Iron deficiency need to eat more of

a)

Red meat and sea food

b)

dairy food

c)

citrus fruits (柑橘类食物)

d)

whole grains

41.

Which food is rich in the B vitamins?

a)

the whole grains(粗粮)

b)

dairy food

c)

salmon

d)

Avocado (牛油果)

42.

An example of foods high in carbohydrate is

a)

pasta

b)

butter

c)

eggs

d)

fish

43.

Write out the six types of nutrients.

4 lines
44.

Amino acids that can be made by the human body are called

a)

essential amino acids

b)

non-essential amino acids

45.

Amino acids that cannot be made by the human body.

a)

Essential amino acids

b)

Non-essential amino acids

46.

Organize these options into the right categories

Categorize the following

pancreatic amylase

lipase

trypsin

lysozyme

salivary amylase

HCL

mucus

pepsin

bile

pancreatic enzymes
salivary enzymes
stomach
liver and gallbladder
47.

reorder the alimentary canal organs

a)

mouth

b)

esophagus

c)

stomach

d)

small intestine

e)

large intestine

1)
2)
3)
4)
5)
48.

Order the organs in the alimentary canal.

49.

Mechanical digestion happen in which two organs?

a)

stomach

b)

mouth

c)

large intestine

d)

small intestine

50.

Where does the process of chemical digestion begin?

a)

mouth

b)

stomach

c)

small intestine

d)

large intestine

51.

What is this process called?

a)

digestion

b)

elimination

c)

absorption

d)

ingestion