Digestive System Quizzes: Test Your Knowledge of the Human Digestive Tract

Question 1

In which part of the digestive system do peptic ulcers most frequently occur?

Accepted Answer

Stomach

Answer

Esophagus

Answer

Small intestine

Answer

Large intestine

Question 2

Which of the following is the primary function of the stomach?

Accepted Answer

Mechanical and chemical food breakdown

Answer

Nutrient absorption

Answer

Food storage

Answer

Enzyme production

Question 3

What is the name of the first part of the small intestine?

Accepted Answer

Duodenum

Answer

Jejunum

Answer

Ileum

Answer

Cecum

Question 4

Identify a common symptom of gastroesophageal reflux disease (GERD).

Accepted Answer

Heartburn

Answer

Nausea

Answer

Diarrhea

Answer

Constipation

Question 5

Which hormone stimulates gastric acid secretion?

Accepted Answer

Gastrin

Answer

Cholecystokinin

Answer

Secretin

Answer

Pancreozymin

Question 6

Which of the following medical terms refers to inflammation of the colon?

Accepted Answer

Colitis

Answer

Gastritis

Answer

Enteritis

Answer

Proctitis

Question 7

Which of the following is a common treatment for peptic ulcer disease?

Accepted Answer

Proton pump inhibitors

Answer

Antibiotics

Answer

Laxatives

Answer

Anti-emetics

Question 8

Which of the following is the initial stage of the digestive process, where food is broken down by chewing and saliva?

Accepted Answer

Mastication

Answer

Peristalsis

Answer

Gastric secretion

Answer

Nutrient absorption

Question 9

What is the muscular tube that carries food from the mouth to the stomach called?

Accepted Answer

Esophagus

Answer

Pharynx

Answer

Trachea

Answer

Small intestine

Question 10

Which organ produces hydrochloric acid and pepsin, essential for protein digestion?

Accepted Answer

Stomach

Answer

Pancreas

Answer

Liver

Answer

Gallbladder

Question 11

What is the primary function of the small intestine in the digestive process?

Accepted Answer

Nutrient absorption

Answer

Digestive enzyme secretion

Answer

Water reabsorption

Answer

Waste elimination

Question 12

What is the medical term for inflammation of the stomach lining?

Accepted Answer

Gastritis

Answer

Appendicitis

Answer

Ulcerative colitis

Answer

Cirrhosis

Question 13

What is the primary diagnostic procedure used to examine the upper digestive tract?

Accepted Answer

Endoscopy

Answer

Colonoscopy

Answer

X-ray

Answer

Ultrasound

Question 14

Which of the following is the primary function of the esophagus?

Accepted Answer

Transports food to the stomach

Answer

Chemically digests food

Answer

Absorbs nutrients

Answer

Mechanically breaks down food

Question 15

Which valve prevents stomach contents from flowing back into the esophagus?

Accepted Answer

Cardiac sphincter

Answer

Ileocecal valve

Answer

Pyloric valve

Answer

Hepatic sphincter

Question 16

Which enzyme initiates protein digestion in the stomach?

Accepted Answer

Pepsin

Answer

Amylase

Answer

Lipase

Answer

Trypsin

Question 17

Which condition is characterized by inflammation of the colon?

Accepted Answer

Colitis

Answer

Gastritis

Answer

Appendicitis

Answer

Diverticulitis

Question 18

Which of the following is NOT a typical symptom of gastroesophageal reflux disease (GERD)?

Accepted Answer

Diarrhea

Answer

Heartburn

Answer

Difficulty swallowing

Answer

Cough

Question 19

In medical terminology, the suffix "-ectomy" indicates:

Accepted Answer

Removal

Answer

Inflammation

Answer

Repair

Answer

Replacement

Question 20

Which of the following is NOT a function of the esophagus?

Accepted Answer

Absorbs nutrients

Answer

Propels food downward through peristalsis

Answer

Secretes mucus to lubricate food

Answer

Transports food from the mouth to the stomach

Question 21

Which enzyme is responsible for breaking down carbohydrates?

Accepted Answer

Amylase

Answer

Pepsin

Answer

Trypsin

Answer

Lipase

Question 22

What is the primary function of the villi in the small intestine?

Accepted Answer

Increase surface area for absorption

Answer

Store digestive enzymes

Answer

Control the flow of bile

Answer

Produce hormones that regulate digestion

Question 23

Which hormone stimulates the release of bile from the gallbladder?

Accepted Answer

Cholecystokinin (CCK)

Answer

Glucagon

Answer

Gastrin

Answer

Insulin

Question 24

What type of cells in the stomach produce hydrochloric acid?

Accepted Answer

Parietal cells

Answer

Goblet cells

Answer

Chief cells

Question 25

Name the muscular valve that separates the esophagus from the stomach.

Accepted Answer

Lower esophageal sphincter (LES)

Answer

Ileocecal valve

Answer

Pyloric sphincter

Answer

Sphincter of Oddi

Question 26

Which of the following is a type of inflammatory bowel disease (IBD)?

Accepted Answer

Ulcerative colitis

Answer

Irritable bowel syndrome (IBS)

Answer

Celiac disease

Question 27

What is the primary function of the pancreas in the digestive process?

Accepted Answer

Produces digestive enzymes and hormones

Answer

Filters blood

Answer

Stores bile

Answer

Absorbs nutrients