Upper Gi

Question 1

What does the upper GI system consist of?

Answer 1

The upper GI system consists of the mouth, esophagus, stomach, and the first part of the small intestine (duodenum).

Question 2

True or False: The primary function of the esophagus is digestion.

Answer 2

False: The primary function of the esophagus is to transport food from the mouth to the stomach.

Question 3

Fill in the blank: The ________ is responsible for the chemical digestion of food.

Answer 3

stomach

Question 4

What is the role of saliva in the upper GI system?

Answer 4

Saliva helps in the initial digestion of carbohydrates and lubricates food for swallowing.

Question 5

Multiple Choice: Which part of the upper GI tract is primarily involved in the absorption of nutrients?
A) Esophagus
B) Stomach
C) Duodenum
D) Mouth

Answer 5

C) Duodenum

Question 6

What is the function of the pyloric sphincter?

Answer 6

The pyloric sphincter controls the passage of partially digested food from the stomach to the duodenum.

Question 7

True or False: The stomach has a neutral pH.

Answer 7

False: The stomach has a highly acidic pH to aid in digestion.

Question 8

What type of muscle is found in the esophagus?

Answer 8

The esophagus contains both smooth and striated (skeletal) muscle.

Question 9

Fill in the blank: The ________ connects the throat to the stomach.

Answer 9

esophagus

Question 10

Multiple Choice: What is the primary enzyme found in saliva?
A) Amylase
B) Pepsin
C) Lactase
D) Lipase

Answer 10

A) Amylase

Question 11

What is the function of gastric acid?

Answer 11

Gastric acid helps break down food, activates digestive enzymes, and kills bacteria.

Question 12

True or False: The duodenum is the last part of the upper GI tract.

Answer 12

False: The duodenum is the first part of the small intestine.

Question 13

What is the primary function of the stomach?

Answer 13

The primary function of the stomach is to digest food chemically and mechanically.

Question 14

Fill in the blank: The ________ is responsible for the absorption of most nutrients.

Answer 14

small intestine

Question 15

Multiple Choice: Which structure prevents backflow of stomach contents?
A) Cardiac sphincter
B) Pyloric sphincter
C) Ileocecal valve
D) Anal sphincter

Answer 15

A) Cardiac sphincter

Question 16

What is the significance of the mucosal layer in the stomach?

Answer 16

The mucosal layer protects the stomach lining from acidic gastric juice and aids in absorption.

Question 17

True or False: The esophagus has a layer of cartilage to maintain its structure.

Answer 17

False: The esophagus is made up of muscular layers, not cartilage.

Question 18

What role do the gastric glands play?

Answer 18

Gastric glands secrete gastric juices, including hydrochloric acid and digestive enzymes.

Question 19

Fill in the blank: The ________ is the first section of the small intestine.

Answer 19

duodenum

Question 20

Multiple Choice: Which of the following is NOT a function of the upper GI system?
A) Digestion
B) Absorption
C) Filtration
D) Transport

Answer 20

C) Filtration

Question 21

What is the primary function of the small intestine?

Answer 21

The primary function of the small intestine is nutrient absorption.

Question 22

True or False: The stomach can store food temporarily.

Answer 22

True: The stomach acts as a temporary storage for food.

Question 23

What is the role of the pancreas in relation to the upper GI system?

Answer 23

The pancreas produces digestive enzymes that are released into the small intestine.

Question 24

Fill in the blank: ________ is the movement of food through the GI tract.

Answer 24

Peristalsis

Question 25

Multiple Choice: Which structure is responsible for the taste sensation?
A) Tongue
B) Pharynx
C) Esophagus
D) Stomach

Answer 25

A) Tongue