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Digestion Practice Quiz

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which nutrients begin chemical digestion in the oral cavity? (select all that apply)

a)

Starch (Carbohydrate)

b)

Protein

c)

Fat

2.

Which nutrients are chemically digested in the stomach?

a)

Starch (Carbohydrate)

b)

Protein

c)

Fat

3.

Which of the following enzymes/substances are present and active in the stomach? (select all that apply)

a)

Hydrochloric Acid (HCl- note: the third letter is a lower case L)

b)

Sodium bicarbonate

c)

Trypsin

d)

Pepsin

e)

Lipase

4.

Sodium bicarbonate is present in ________ juice and neutralizes acid in the _________.

a)

Gastric

Esophagus

b)

Gastric

Stomach

c)

Pancreatic

Duodenum

d)

Intestinal

Duodenum

5.

Which of the following eare present in pancreatic juice? (select all that apply)

a)

Pepsin

b)

Lipase

c)

Trypsin

d)

Amylase

e)

Maltase

6.

Which of the following enzymes is present in intestinal juice? (select all that apply)

a)

Lipase

b)

Amylase

c)

Maltase

d)

Peptidase

e)

Tryspin

7.

Which of the following molecules are small enough to be absorbed into the intestinal villi? (select all that apply)

a)

Amino acids

b)

Fatty acids + glycerol

c)

Maltose

d)

Peptides

e)

Glucose

8.

Which of the following substances enters the duodenum through the Ampulla of Vater? (select all that apply)

a)

Hydrochloric Acid (HCl)

b)

Sodium bicarbonate

c)

Bile

d)

Peptidase

e)

Amylase

9.

Which of the following statements is TRUE about bile?

a)

It helps lipase access more surface area of fat 

b)

It chemically digests fats into fatty acids and glycerol

c)

It is produced by the gallbladder

d)

It neutralizes stomach acid in the duodenum

e)

It is released when chyme enters the duodenum

10.

What are triglycerides broken down into after chemical digestion?

a)

Amino acids

b)

Monosaccharides

c)

Fatty acids and glycerol

d)

Maltose and glucose

11.

Match the following enzyme with the nutrient it acts on.

a)

Lipase

1.

Triglycerides

b)

Amylase

2.

Starch

c)

Pepsin

3.

Polypeptides

d)

Maltase

4.

Maltose

e)

Peptidase

5.

Peptides

12.

Label the components of the biliary tree shown in the diagram.

a)Left hepatic duct
b)Cystic Duct
c)Common Hepatic Duct
d)Common Bile Duct
e)Right hepatic duct
f)Gallbladder
g)Pancreatic duct
h)Pancreas
1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
13.

Label the following structures.

a)Lower esophageal sphincter
b)Upper esophageal sphincter
c)Pyloric sphincter
d)Duodenum
e)Rugae
1
2
3
4
1)
2)
3)
4)
14.

Arrange these events in the correct order of protein digestion.

a)

Rugae secrete gastric juice

b)

Pepsin breaks polypeptides into peptides

c)

Pancreatic juice trypsin breaks polypeptides into peptides

d)

Intestinal juice peptidase breaks peptides into amino acids

e)

Amino acids asborbed through villi in jejunum

1)
2)
3)
4)
5)
15.

Match each secretion with its correct source.

a)

Hydrochloric acid

1.

Gastric juice

b)

Sodium bicarbonate

2.

Pancreatic juice

c)

Bile

3.

Liver + gallbladder

d)

Peptidase

4.

Intestinal juice

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