Digestive System

Question 1

What is the primary function of the digestive system?

Answer 1

To break down food, absorb nutrients, and eliminate waste.

Question 2

True or False: The mouth is the first organ of the digestive system.

Answer 2

True

Question 3

Fill in the blank: The ________ is responsible for producing bile.

Answer 3

liver

Question 4

What are the four main layers of the gastrointestinal tract?

Answer 4

Mucosa, submucosa, muscularis, and serosa.

Question 5

Which part of the digestive system is primarily responsible for nutrient absorption?

Answer 5

Small intestine

Question 6

What is the role of the pancreas in digestion?

Answer 6

It produces digestive enzymes and bicarbonate to neutralize stomach acid.

Question 7

Multiple Choice: Which organ stores bile?

Answer 7

Gallbladder

Question 8

True or False: The esophagus is a muscular tube that connects the throat to the stomach.

Answer 8

True

Question 9

What is the process of breaking down food into smaller components called?

Answer 9

Digestion

Question 10

Fill in the blank: The ________ is the longest part of the digestive tract.

Answer 10

small intestine

Question 11

What is the primary function of the large intestine?

Answer 11

To absorb water and electrolytes and form waste.

Question 12

Multiple Choice: Which enzyme starts the digestion of carbohydrates?

Answer 12

Salivary amylase

Question 13

What is peristalsis?

Answer 13

The wave-like muscle contractions that move food through the digestive tract.

Question 14

True or False: The stomach has a pH level that is neutral.

Answer 14

False

Question 15

What is the name of the flap that prevents food from entering the trachea?

Answer 15

Epiglottis

Question 16

Fill in the blank: The ________ secretes hydrochloric acid and digestive enzymes.

Answer 16

stomach

Question 17

What is the main function of the salivary glands?

Answer 17

To produce saliva, which begins the digestion of food.

Question 18

Multiple Choice: Which part of the digestive system is responsible for detoxification?

Answer 18

Liver

Question 19

What is the role of villi in the small intestine?

Answer 19

To increase surface area for nutrient absorption.

Question 20

True or False: The appendix has no known function in the digestive system.

Answer 20

False

Question 21

Fill in the blank: The ________ connects the small intestine to the large intestine.

Answer 21

cecum

Question 22

What is the main purpose of gastric juices?

Answer 22

To digest proteins and kill bacteria in food.

Question 23

Multiple Choice: Which hormone stimulates the release of bile?

Answer 23

Cholecystokinin (CCK)

Question 24

What is the term for foods that cannot be digested and are expelled as waste?

Answer 24

Fiber

Question 25

True or False: The digestive system includes both mechanical and chemical processes.

Answer 25

True

Question 26

Fill in the blank: The ________ is a pouch-like organ that stores food before digestion.

Answer 26

stomach