Q: Which of the following is a correct breakdown of the term 'gastroenterology'?

$$\text{gastr/o-} = \text{stomach}$$, $$\text{enter/o-} = \text{intestine}$$, $$-\text{logy} = \text{study of}$$

Question 1

Which of the following best describes the function of the lower esophageal sphincter?

Accepted Answer

It prevents the backflow of chyme from the stomach into the esophagus.

Question 2

A patient presents with yellowing of the sclera (scleral icterus). Which organ is most likely dysfunctional, and what is the medical term for this condition?

Accepted Answer

Liver; jaundice

Question 3

Which enzyme is responsible for breaking down carbohydrates in both the oral cavity and the small intestine?

Accepted Answer

Amylase

Question 4

A patient is diagnosed with Crohn disease. Which of the following findings is most characteristic of this condition?

Accepted Answer

Thickening of the intestinal wall and ulcer formation

Question 5

Which of the following terms is correctly matched with its meaning?

Accepted Answer

cholangi/o- = bile duct

Question 6

A patient with a history of alcoholism presents with a distended abdomen due to fluid accumulation. What is the most likely diagnosis?

Accepted Answer

Ascites

Question 7

Which of the following best describes the process of peristalsis?

Accepted Answer

Coordinated muscular contractions that move food through the GI tract

Question 8

A patient undergoes an upper gastrointestinal series. Which contrast medium is most likely used in this procedure?

Accepted Answer

Barium

Question 9

Which of the following is the correct order of the segments of the small intestine from proximal to distal?

Accepted Answer

Duodenum, jejunum, ileum

Question 10

A patient is found to have a twisted segment of intestine causing obstruction and decreased blood flow. What is the medical term for this condition?

Accepted Answer

Volvulus

Question 11

Which hormone is released by the duodenum to stimulate the gallbladder to release bile?

Accepted Answer

Cholecystokinin

Question 12

A patient with a nasogastric (NG) tube can receive which type of nutrition?

Accepted Answer

Liquid feedings only

Question 13

Which structure prevents food from entering the trachea during swallowing?

Accepted Answer

Epiglottis

Question 14

Which of the following best describes the function of villi in the small intestine?

Accepted Answer

Increase surface area for absorption of nutrients and water

Question 15

A patient is diagnosed with cholelithiasis. What does this term mean?

Accepted Answer

Presence of gallstones

Question 16

Which of the following is a correct breakdown of the term 'gastroenterology'?

Accepted Answer

$$	ext{gastr/o-} = 	ext{stomach}$$, $$	ext{enter/o-} = 	ext{intestine}$$, $$-	ext{logy} = 	ext{study of}$$

Question 17

Which of the following best describes the function of the omentum?

Accepted Answer

It is a fatty membrane that protects the abdominal organs.

Question 18

A patient with a history of constipation is found to have pouches in the wall of the colon where feces can become trapped. What is the medical term for these pouches?

Accepted Answer

Diverticula

Question 19

Which of the following best describes the process of chemical digestion?

Accepted Answer

Breakdown of food by enzymes, acids, and other substances

Question 20

A patient is scheduled for a colonoscopy. What is the primary purpose of this procedure?

Accepted Answer

To visually examine the rectum and colon for abnormalities

Medical Terminology: The Gastrointestinal System

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