Digestive System Quiz

Question 1

From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen.

Answer 1

mucosa, submucosa, muscularis externa, and serosa

Question 2

All of the following are TRUE of the pancreas

Answer 2

The head of the pancreas is right next to the duodenum, while the tail of the pancreas is right next to the spleen.

The pancreas is considered an accessory digestive organ.

Pancreatic juice contains digestive enzymes: amylase, nuclease, lipase, trypsinogen, and other

Question 3

All of the following are TRUE of the stomach

Answer 3

Chief cells secrete pepsinogen.

Parietal cells secrete intrinsic factor.

Parietal cells secrete hydrochloric acid

G-cells secrete hormone gastrin

Question 4

An intestinal hormone that stimulates the gallbladder to release bile is:

Answer 4

Cholecystokinin

Question 5

Chemical digestion of carbohydrates begins in the ________ whereas chemical digestion of proteins begins in the_______.

Answer 5

Oral cavity; stomach

Question 6

In the center of a liver lobule there is a

Answer 6

central vein

Question 7

Many years ago, a common procedure for the treatment of ulcers was the cutting of the branches of the vagus nerve going to the stomach. This would cause stomach acid secretion to

Answer 7

decrease

Question 8

Most of the digestive tract is lined by ______ epithelium.

Answer 8

simple columnar

Question 9

The G cells of the stomach secrete:

Answer 9

Gastrin

Question 10

The portion of the small intestine that attaches to the large intestine is the:

Answer 10

ileum

Question 11

Waves of muscular contractions that propel the contents of the digestive tract from one point to another are called

Answer 11

peristalsis

Question 12

Which of the following cells secrete pepsinogen?

Answer 12

Chief cells

Question 13

Which of the following is TRUE of bile?

Answer 13

It acts as an emulsifer, i.e., it separates large fat droplets into small fat droplets.

It contains bilirubin, which is a breakdown product of hemoglobin.

It contains bile salts

Question 14

Which of the following is a function of the liver?

Answer 14

Albumin production

Bile production and secretion

Storage of lipid soluble vitamins and vitamin B12

Conversion of ammonia to urea

Question 15

Which of the following is produced by the liver?

Answer 15

Bile

lbumins

Fibrinogen

Angiotensinogen

Question 16

Which of the following secretions is matched correctly?

Answer 16

Duodenum – alkaline mucus

Parietal cells – hydrochloric acid

Liver – bile

Pancreas – protein digesting enzymes

Question 17

All of the following it true about liver functions

Answer 17

Production of bile
production of plasma proteins
converting ammonia to urea
Glycogen storage

Question 18

Which organ is not considered an accessory digestive organ?

Answer 18

oropharynx

Question 19

Which organ is not part of the gastrointestinal tract?

Answer 19

liver