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HS 1 3.01 Digestive System Key Terms

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following best describes the function of bile in the digestive system?

a)

It breaks down proteins into amino acids.

b)

It emulsifies fats to aid in digestion.

c)

It stores glucose for later use.

d)

It produces saliva for mastication.

2.

What is the primary role of peristalsis in the alimentary canal?

a)

To absorb nutrients into the bloodstream

b)

To move food through the digestive tract using muscle contractions

c)

To produce digestive enzymes

d)

To store undigested food

3.

Which structure is described as a pouch at the proximal end of the large intestine?

a)

Rugae

b)

Cecum

c)

Duodenum

d)

Bolus

4.

What is the function of ptyalin in the digestive process?

a)

It breaks down fats into fatty acids.

b)

It converts starches into simple sugars.

c)

It stores glycogen in the liver.

d)

It absorbs water in the large intestine.

5.

Which of the following best defines mastication?

a)

The process of swallowing food

b)

The process of chewing food

c)

The process of digesting proteins

d)

The process of absorbing nutrients

6.

What is the main difference between deciduous teeth and permanent teeth?

a)

Deciduous teeth are used for grinding food, while permanent teeth are not.

b)

Deciduous teeth are temporary and fall out by age 12, while permanent teeth replace them.

c)

Deciduous teeth are only found in adults.

d)

Deciduous teeth are responsible for producing saliva.

7.

Which of the following is a semi-liquid mass of partly digested food expelled by the stomach into the duodenum?

a)

Bolus

b)

Chyme

c)

Bile

d)

Glycogen

8.

What is the primary function of the rugae in the stomach?

a)

To secrete digestive enzymes

b)

To increase the surface area for absorption

c)

To allow the stomach to expand after eating

d)

To produce bile

9.

Which enzyme is responsible for the breakdown of fats in the digestive system?

a)

Ptyalin

b)

Lipase

c)

Amylase

d)

Pepsin

10.

What is the main function of glycogen in the human body?

a)

To break down proteins

b)

To store energy in the liver

c)

To emulsify fats

d)

To produce bile

11.

A patient is experiencing excessive gas in their digestive tract. Which term best describes this condition?

a)

Absorption

b)

Flatulence

c)

Mastication

d)

Peristalsis

12.

If a person’s liver is not producing enough bile, which process in digestion would be most directly affected?

a)

The breakdown of proteins

b)

The emulsification of fats

c)

The absorption of glucose

d)

The formation of bolus

13.

A child loses a tooth at age 7. Based on your knowledge, what type of tooth is most likely lost?

a)

Permanent tooth

b)

Deciduous tooth

c)

Wisdom tooth

d)

Canine tooth

14.

A patient has a condition where the wave-like muscle contractions in their digestive tract are not functioning properly. Which process is most likely impaired?

a)

Absorption

b)

Peristalsis

c)

Mastication

d)

Digestion

15.

If the rugae in the stomach were unable to expand, what would be the most likely consequence after eating a large meal?

a)

The stomach would not be able to increase in size, causing discomfort or pain.

b)

The stomach would produce more acid.

c)

The stomach would digest food faster.

d)

The stomach would absorb more nutrients.

16.

A person is unable to properly break down starches in their mouth. Which enzyme is most likely deficient?

a)

Lipase

b)

Ptyalin

c)

Pepsin

d)

Lactase

17.

If the cecum is blocked, which part of the digestive process would be most directly affected?

a)

The movement of chyme from the stomach to the duodenum

b)

The passage of material from the small intestine to the large intestine

c)

The absorption of nutrients in the stomach

d)

The production of bile in the liver

18.

A person’s body is unable to store glucose efficiently. Which substance is most likely not being produced or stored properly?

a)

Bile

b)

Glycogen

c)

Chyme

d)

Bilirubin

19.

If bilirubin is not properly processed in the body, what visible symptom might occur?

a)

Yellowing of the skin and eyes (jaundice)

b)

Increased saliva production

c)

Excessive flatulence

d)

Difficulty chewing

20.

A patient is unable to form a bolus in their mouth. Which part of the digestive process would be most directly affected?

a)

Swallowing food efficiently

b)

Absorbing nutrients in the small intestine

c)

Producing bile in the liver

d)

Storing energy as glycogen