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Digestive System

Total questions: 42

Worksheet time: 42mins

Name
Class
Date
1.

This body system includes a group of organs that work together to break down the chemical components of food into small nutrients that can be absorbed by cells to create energy for the body.

a)

Urinary System

b)

Endocrine System

c)

Nervous System

d)

Digestive System

2.

Which organ moves found through peristalsis from the throat, pushes it down the neck and to the stomach?

a)

mouth

b)

esophagus

c)

epiglottis

d)

tongue

3.

Put the following blanks in the correct order, meaning the first organ that digestion occurs should be the first blank: The esophagus is a muscular tube that connects the ​​ (a)   ​and the (b)   .

Choose from the below words
mouth
stomach
liver
small intestine
large intestine
4.

Which organ is responsible for storage of swallowed food and liquid?

a)

Esophagus

b)

Stomach

c)

Large Intestine

d)

Small Intestine

5.

The role of the pancreas is to produce ___________ to aid in chemical digestive processes.

a)

enzymes

b)

bile

c)

electrolytes

d)

water

6.

Bile is made in the liver, where it then is stored in the __________.

a)

stomach

b)

pancreas

c)

gallbladder

d)

bladder

7.

When nutrients are small enough they can pass through the lining of the _____ _______ and into the blood.

a)

small intestine

b)

large intestine

8.

Which organ is responsible for the production of glycogen, the production of bile and the conversion of ammonia into urea?

a)

stomach

b)

gallbladder

c)

pancreas

d)

liver

9.

Any useful substances in the leftovers, such as spare water and body minerals, are absorbed through the walls of the _____ _______, back into the blood.

a)

small intestine

b)

large intestine

10.

The end of the large intestine and the next part of the digestive tract responsible for storing feces is called the ________.

a)

jejunum

b)

ileum

c)

rectum

d)

duodenum

11.

The external opening of the end of the digestive tract surrounded by a sphincter muscle is called the _____.

a)

anus

b)

rectum

c)

epiglottis

d)

artery

12.

Salivary glands produce which enzyme that aids in the chemical digestion of complex carbohydrates?

a)

pepsinogen

b)

amylase

c)

lipase

d)

trypsin

13.

Starch is broken down by salivary amylase in the mouth to begin chemical digestion. Where does chemical digestion of carbohydrates occur next?

a)

Stomach

b)

Small Intestine

c)

Large Intestine

d)

Rectum

14.

Where are the second set of digestive glands located?

a)

Mouth

b)

Esophagus

c)

Stomach

d)

Small Intestine

15.

Protein digestion begins in which digestive organ?

a)

Mouth

b)

Pancreas

c)

Stomach

d)

Small Intestine

16.

Which enzyme is responsible for breaking down proteins within highly acidic environments such as the stomach?

a)

Trypsin

b)

Pepsin

c)

Amylase

d)

Lipase

17.

The pancreas produces enzymes that help to break down...

a)

Proteins

b)

Fats

c)

Carbohydrates

d)

All of These Options

18.

Which of the following enzymes would be found in the small intestine?

a)

Pepsin

b)

Salivary amylase

c)

Trypsin

d)

None of the above

19.

Which enzyme increases the rate of enzymatic activity best at a pH of 2?

a)

Pepsin

b)

Salivary amylase

c)

Trypsin

d)

None of the above

20.

Enzymes are an example of which macromolecule?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

21.

Which of the following is the building block of proteins?

a)

Glycerol and fatty acids

b)

Monosaccharides (simple sugars)

c)

Amino acids

d)

nucleotides

22.

An enzyme that digests a protein is called a __________.

a)

protise

b)

protease

c)

lipase

d)

peptase

23.

Which organ produces trypsin?

a)

gallbladder

b)

pancreas

c)

liver

d)

small intestine

24.

Which macromolecule is considered a fundamental unit to the cell membrane? This can be attributed to its hydrophobic qualities.

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

25.

Lipids can readily dissolve in water. True or False?

a)

True

b)

False

26.

When fats from our food and bile from the liver mix to digest, this process is called:

a)

mastication

b)

peristalsis

c)

emulsification

d)

micturition

27.

Enzymes that digest fats are secreted by which organ?

a)

Small intestine

b)

Large intestine

c)

Gallbladder

d)

Pancreas

28.

Once emulsification has occurred, _______ breaks down molecules into glycerol and fatty acids.

a)

Amylase

b)

Lipase

c)

Pepsin

d)

Trypsin

29.

Carbohydrates continue digestion within the stomach after pancreatic amylase is secreted into the stomach via bile ducts. True or False?

a)

True

b)

False

30.

Salivary amylase is secreted into the small intestine to aid chemical digestion of proteins. True or False?

a)

True

b)

False

31.

Salivary amylase is the first enzyme to aid in chemical digestion of carbohydrates. It is secreted by salivary glands into the mouth. True or False?

a)

True

b)

False

32.

Pancreatic amylase is the first enzyme to aid in chemical digestion of carbohydrates. It is secreted by the pancreas into the mouth. True or False?

a)

True

b)

False

33.

Trypsin is secreted by the pancreas into the large intestine to facilitate water reabsorption. True or False?

a)

True

b)

False

34.

Which of the following statements is true?

a)

Trypsin is secreted by the salivary glands into the mouth to aid in chemical digestion of proteins.

b)

Trypsin is secreted by the pancreas into the small intestine to aid in the chemical digestion of proteins.

c)

Trypsin is secreted by the pancreas into the small intestine to aid in the chemical digestion of carbohydrates.

d)

Trypsin is secreted by the pancreas into the small intestine to aid in the chemical digestion of lipids.

35.

Enzymes are considered biological catalysts because they ________ the rate of chemical reactions within the body.

a)

increase

b)

decrease

c)

maintain

36.

True or False: If homeostasis is affected and the pH of the contents of the stomach increases, any pepsin related enzymatic activity will decrease.

a)

True

b)

False

37.

The portion of the small intestine that connects to the stomach is called the...

a)

ileum

b)

jejunum

c)

duodenum

d)

rectum

38.

The portion of the small intestine that makes up the middle parts that are not connected to other associated digestive organs.

a)

ileum

b)

duodenum

c)

rectum

d)

jejunum

39.

The portion of the small intestine which connects to the large intestine is called...

a)

jejunum

b)

ileum

c)

rectum

d)

duodenum

40.

Which of the following organs is considered an accessory organ in the digestive system?

a)

Liver

b)

Kidney

c)

Heart

d)

Stomach

41.

Which of the following is not considered an accessory organ in the digestive system?

a)

Liver

b)

Gallbladder

c)

Pancreas

d)

Esophagus

42.

Which of the following correctly lists the organs found in the alimentary canal of humans?

a)

Liver, pancreas and gallbladder

b)

Mouth, esophagus, small intestine, large intestine, liver

c)

Mouth, esophagus, stomach, small intestine, large intestine, rectum

d)

Liver, pancreas, small intestine, gallbladder, large intestine, rectum