Gastrointestinal System Quiz

Which enzyme is found in saliva and helps break down starches and converts them into sugar?

• Lipase

• Insulin

• Amylase

• Glucagon

Which of the following comes after the Duodenum?

• Jejunum

• Sigmoid colon

• Transverse colon

• Epiglottis

Which of the following is a sphincter that prevents food from going back into the small intestine?

• The Ileocecal valve

• The Appendix

• The Ascending colon

• The Ileum

Through which structure does the bile enter the gallbladder from the liver?

• The Duodenum

• The Pancreatic duct

• The Right and Left hepatic ducts

• The Transverse colon

Where is bile stored?

• The Gallbladder

• The Duodenum

• The Stomach

• The Liver

What comes after the Descending colon?

• The ascending colon

• The sigmoid colon

• The Duodenum

• The rectum

What is the function of the liver?

• All of the above

• Stores fats, vitamins, and iron

• Stores glucose in the form of glycogen

• Breaks down fats

What is the function of the pancreas?

• Releases glucagon

• All of the above

• Releases insulin

• Secrets buffers and digestive enzymes

What is the main function of the gastrointestinal system?

• Digestion, absorption, and excretion

• Respiration

• Circulation

• Sensory perception

What is the role of the large intestine in digestion?

• Secretes digestive enzymes

• Breaks down fats

• Absorbs nutrients

• Absorbs water and eliminates solid feces