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Worksheets

Digestive System Review

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

Which of these processes occurs in the mouth?

a)

Ingestion

b)

Mechanical digestion

c)

Chemical digestion

d)

Ingestion, mechanical & chemical digestion

2.

Which of these organs is not considered an accessory digestive structure?

a)

Mouth

b)

Salivary glands

c)

Pancreas

d)

Liver

3.

Parietal cells secrete ________.

a)

gastrin

b)

pepsin

c)

pepsinogen

d)

hydrochloric acid

4.

In which part of the alimentary canal does most digestion occur?

a)

stomach

b)

proximal small intestine

c)

distal small intestine

d)

ascending colon

5.

Which of the following organs is supported by a layer of adventitia rather than serosa?

a)

esophagus

b)

stomach

c)

small intestine

d)

large intestine

6.

Which part of the large intestine attaches to the appendix?

a)

transverse colon

b)

cecum

c)

ascending colon

d)

descending colon

7.

Which of the following is an enzyme found in the saliva?

a)

peptidase

b)

lipase

c)

amylase

d)

lactase

8.

Teeth are made of a bone-like substance called ______.

a)

Cartilage

b)

Duodenum

c)

Ostium

d)

Dentin

9.

The inner most layer of the GI tract wall is called the _______.

a)

Mucosa

b)

Submucosa

c)

Muscularis externia

d)

Serosa

10.

Which of the following is most associated with villi?

a)

lacteals

b)

intestinal glands

c)

bacteria flora

d)

polyps

11.

Where are most fat-digesting enzymes produced?

a)

gallbladder

b)

pancreas

c)

small intestine

d)

liver

12.

Inflammation of the gums is called ________.

a)

Gingivitis

b)

Cholecystitis

c)

Ulcerative colitis

d)

Gastroenteritis

13.

Which type of tooth is used to crush and grind food?

a)

Incisors

b)

Canine teeth

c)

Molars

14.

Where does the chemical digestion of starch begin?

a)

small intestine

b)

mouth

c)

stomach

d)

esophagus

15.

Which of the following is stored in the body?

a)

phosphorous

b)

folic acid

c)

thiamine

d)

vitamin C

16.

If an amino acid is not used to create new proteins, it can be ________.

a)

stored to be used later

b)

converted to acetyl CoA

c)

converted to nitrogen

d)

converted to glucose or ketones

17.

Which molecule produces the most ATP?

a)

NADH

b)

FADH2

c)

carbohydrates

d)

triglycerides

18.

A deficiency in Vitamin A can result in _______.

a)

improper bone develiopment

b)

scurvy

c)

improper eye development or sight

d)

all of the above

19.

The smallest of the salivary glands are the ______.

a)

Sublinguals

b)

Submandibulars

c)

Parotids

d)

Subbucals

20.

What is the last section of the small intestine, before it empties into the large intestine, called?

a)

Duodenum

b)

Stomach

c)

Jejunum

d)

Ileum

21.

The stomach has four regions; the area that connects with the small intestine is called the _______.

a)

Fundus

b)

Body

c)

Pylorus

d)

Cardiac

22.

The stomach releases the hormone _______ to aid in digestion.

a)

Pepsin

b)

HCL

c)

Secretin

d)

Gastrin

23.

The structure responsible for the absorption of excess water is the _________.

a)

Stomach

b)

Colon

c)

Liver

d)

Spleen

24.

Which organ is responsible for the production of bile?

a)

Liver

b)

Stomach

c)

Small Intestine

d)

Large Intestine

25.

This structure increases the surface area of the lining of the small intestine.

a)

Peptase

b)

Lacteals

c)

Villi

d)

Chyle

26.

Protein digestion begins in the _______.

a)

Mouth

b)

Stomach

c)

Small intestine

d)

Large intestine

27.

Enzymes are necessary for digestion; ______ is produced to break down fats.

a)

Nuclease

b)

Lipase

c)

Carbohydrase

d)

Maltase

28.

Which of the following is the end product of protein digestion?

a)

Fatty acids

b)

Glycerol

c)

Simple sugars

d)

Amino acids

29.

Pancreatic juice contains enzymes that help digest _________.

a)

Carbohydrates

b)

Fats

c)

Proteins

d)

All of the above

30.

The chief digestive enzyme in the stomach is ______.

a)

Bile

b)

Tripsyn

c)

Pepsin

d)

Chyme

31.

Lactose intolerance individuals cannot digest the ______ in milk.

a)

Proteins

b)

Sugar

c)

Fat

d)

Cholesterol

32.

Which of the following is the end product of fat digestion?

a)

Aminoi acids

b)

Glycerol

c)

Simple sugars

d)

Amino acids and glycerol

33.

The punching bag-shaped structure hanging down from the soft palate is called the _______.

a)

frenulum

b)

papillae

c)

palatine tonsil

d)

uvula

34.

Where does protein digestion begin?

a)

Small intestine

b)

Large intestine

c)

Stomach

d)

Mouth

35.

Which vitamin deficiency results in pernicious anemia?

a)

K

b)

A

c)

C

d)

B12

36.

Which of the following is NOT stored in the body?

a)

Vitamin K

b)

Vitamin E

c)

Vitamin A

d)

Vitamin C

37.

What substance breaks down large fat globules into small fat globules?

a)

Bolus

b)

Bile

c)

Chyme

d)

Pepsinogen

38.

The stomach secretes intrinsic factor which allows vitamin B12 to be absorbed.

a)

True

b)

False