Labeling Parts and Tissues of the Digestive System Quiz

Test your knowledge of gastroenterology with questions on organs, enzymes, tissues, and hormones. Perfect for studying or review!

#1

Which organ is responsible for the mechanical breakdown of food?

Stomach
Small intestine
Esophagus
Mouth
#2

Which enzyme is found in saliva and helps in the digestion of carbohydrates?

Amylase
Pepsin
Lipase
Trypsin
#3

Which structure connects the pharynx to the stomach?

Esophagus
Duodenum
Ileum
Jejunum
#4

Which structure prevents food from entering the trachea during swallowing?

Epiglottis
Larynx
Uvula
Glottis
#5

Which part of the small intestine is primarily responsible for nutrient absorption?

Duodenum
Jejunum
Ileum
Colon
#6

Which tissue lines the inner surface of the stomach and secretes gastric juices?

Stratified squamous epithelium
Simple columnar epithelium
Pseudostratified columnar epithelium
Transitional epithelium
#7

Which part of the large intestine is responsible for water absorption and formation of feces?

Rectum
Colon
Cecum
Anus
#8

Which enzyme is responsible for the breakdown of proteins in the stomach?

Amylase
Pepsin
Lipase
Trypsin
#9

Which type of muscle is found in the walls of the digestive tract and is responsible for peristalsis?

Skeletal muscle
Smooth muscle
Cardiac muscle
Striated muscle
#10

Which enzyme is responsible for the breakdown of fats in the small intestine?

Amylase
Pepsin
Lipase
Trypsin
#11

Which accessory organ produces bile for emulsification of fats?

Liver
Pancreas
Gallbladder
Spleen
#12

Which hormone stimulates the release of bile from the gallbladder?

Insulin
Glucagon
Cholecystokinin
Gastrin
#13

Which substance neutralizes acidic chyme as it enters the small intestine?

Bile
Mucus
Pancreatic juice
Gastric juice
#14

Which hormone stimulates the secretion of hydrochloric acid in the stomach?

Insulin
Glucagon
Gastrin
Secretin
#15

Which enzyme converts pepsinogen into its active form, pepsin, in the stomach?

Trypsin
Renin
Hydrochloric acid
Pepsin itself
#16

Which cell type in the gastric glands is responsible for the secretion of hydrochloric acid?

Parietal cells
Chief cells
Mucous cells
G cells

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