Digestive System: Breaks down food into nutrients such as carbohydrates, fats and proteins

This is an MCQ-based quiz for GRE on Digestive System.

This includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus.

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Which organ is responsible for creating bile?

Stomach Gall bladder Pancreas Liver

Which of the following macromolecules is broken down by pepsin in the stomach?

Carbohydrates Nucleic acids Lipids Proteins

A patient presents to the hospital with the complaint of pain in his abdomen. Imaging reveals ulcers in his upper small intestine. Further tests reveal that the ulcers are caused by acid entering the small intestine not being properly neutralized. What organ in the digestive system is malfunctioning, causing these acidic secretions to harm the small intestine?

Gall bladder Liver Pancreas Stomach

Which organ is responsible for releasing the majority of digestive enzymes into the small intestine?

Liver Pancreas Gall bladder Stomach

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

Bile storage Creation of proteins in the plasma Bile formation Drug detoxification

What organ releases digestive enzymes into the duodenum?

Pancreas Liver Spleen Gall bladder

Alpha-Amylase, found in saliva, plays a role in the digestion of what compounds?

Amino Acids




All of these will be digested by -amylase

The enzymes present in pancreatic juice are

Amylase, Trypsinogen, Peptidase, Rennin Trypsinogen, Lipase, Amylase, Procarbo­xypeptidase Peptidase, Pepsin, Amylase, Rennin Maltase, Amylase, Trypsinogen, Pepsin

Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?

Insulin and glucagon Cholecystokinin and secretin Gastrin and insulin Angiotensin and epinephrine

Which is a correct association for cell type and products in the islets of Langerhans?

Cells secrete insulin

Cells secrete somatostatin

Cells secrete glucagon

Cells secrete insulin

Quiz/Test Summary
Title: Digestive System: Breaks down food into nutrients such as carbohydrates, fats and proteins
Questions: 10
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