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Digestion

Total questions: 31

Worksheet time: 12mins

Name
Class
Date
1.

The teeth and tongue of the oral cavity break foodstuff down physically. This is an example of

a)

mechanical digestion

b)

chemical digestion

c)

absorption

d)

peristalsis

2.

Which of the following is an accessory organ of the digestive system?

a)

stomach

b)

small intestine

c)

esophagus

d)

liver

3.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

4.

The tube through which food passes through the body is called the

a)

alimentary canal

b)

digestive system

c)

intestines

d)

esophagus

5.

Which enzyme partially digest proteins in the stomach?

a)

amylase

b)

pepsin

c)

gastric lipase

d)

tyrpsin

6.

What is not present in the gastric juice?

a)

pepsinogen

b)

water

c)

HCl

d)

antibodies

7.

An inactive enzyme secreted by the chief cells

a)

Pepsinogen

b)

Pepsin

c)

Hydrochloric acid

d)

Amylase

8.

What is gastric juice?

a)

Secretions released by your stomach

b)

Secretions released by your salivary glands

c)

Secretions released by your small intestine

9.

What enzyme breaks down proteins when it is activated by hydrochloric acid?

a)

Pepsin

b)

Peptin

c)

Pepto

d)

Protein

10.

Wavelike motion that propels food forward

a)

Peristalsis

b)

Contraction

c)

Mechanical digestion

d)

Churning

11.

Enzyme that breaks down carbohydrates

a)

Amylase

b)

Pepsin

c)

Pepsinogen

d)

Hydrochloric acid

12.

Chemical digestion of ________ begins in mouth

a)

proteins

b)

fats

c)

carbohydrates

d)

all of them

13.

Which layer of the alimentary canal absorbs nutrients

a)

Serous

b)

Muscularis

c)

Mucosal

d)

Submucosal

14.

Digestion is controlled by

a)

Sympathetics

b)

Parasympathetics

15.

Largest salivary glands that also secrete amylase

a)

Sublingual

b)

Submandibular

c)

Parotid

16.

Distal portion of the stomach, closest to the small intestine

a)

Pylorus

b)

Cardia

c)

Fundus

d)

Body

17.

Hydrochloric acid is secreted in the _______________ .

a)

oesophagus

b)

stomach

c)

large intestine

d)

small intestine

18.

First section of the small intestine responsible for continued digestion.

a)

duodenum

b)

ileium

c)

pancreas

d)

rectum

19.

Insulin is released in response to:

a)

low blood glucose levels

b)

low blood calcium levels

c)

high blood glucose levels

d)

high blood calcium levels

20.

Involuntary muscle contractions that move food.

a)

Chemical breakdown

b)

Flexion

c)

Swallowing

d)

Peristalsis

21.

What chemical breaks down Fat?

a)

Water

b)

Saliva

c)

Sodium

d)

Bile

22.

What does the Gall Bladder store?

a)

Bile

b)

Fat

c)

Carbohydrates

d)

Insulin

23.

Where is Bile produced?

a)

Liver

b)

Stomach

c)

Pancreas

d)

Colon

24.
Protein digestion begins in the
a)
mouth
b)
esophagus
c)
stomach
d)
liver
25.
Pepsin is an enzyme that acts on
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
26.
Which enzyme below is involved in the following chemical digestion process?
STARCH---->MALTOSE
a)
Lipase
b)
Salivary amylase
c)
Pepsin
d)
Trypsin
27.
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
a)
Lipase
b)
Trypsin
c)
Amylase
d)
Pepsin
28.
Which enzyme below is involved in the following chemical digestion process?
PROTEINS---->POLYPEPTIDES
a)
Lipase
b)
Amylase
c)
Pepsin
d)
Maltase
29.

What do parietal cells secrete

a)

HCl

b)

Pepsin

c)

Bicarbonate

d)

Bile

30.

Inhibits stomach acid secretion

a)

Secretin

b)

Somatostatin

c)

Gastrin

d)

Pepsin

31.

Stimulates pancreas to release digestive enzymes

a)

Secretin

b)

Gastrin

c)

CCK

d)

Trypsin