Question 1

Which of the following best describes the primary function of the exocrine portion of the pancreas?

Accepted Answer

Production of digestive enzymes by pancreatic acini

Question 2

A patient is prescribed a drug that blocks the action of cholecystokinin (CCK). Which of the following digestive processes would remain unaffected?

Accepted Answer

Composition of pancreatic secretions

Question 3

Which of the following is NOT a component of the portal triad found at the edges of a liver lobule?

Accepted Answer

Bile duct

Question 4

A blockage of the common hepatic duct would most directly interfere with which aspect of digestion?

Accepted Answer

Digestion of proteins

Question 5

The mesentery proper supports all but approximately how many centimeters of the small intestine?

Accepted Answer

$$25\ \mathrm{cm}$$

Question 6

Which of the following best defines digestion?

Accepted Answer

The mechanical breakdown of food into smaller pieces

Question 7

Which structure provides access for blood vessels entering and leaving the liver?

Accepted Answer

Falciform ligament

Question 8

Which of the following is NOT part of the large intestine?

Accepted Answer

Ileum

Question 9

Peyer's patches are most characteristic of which region of the small intestine?

Accepted Answer

Duodenum

Question 10

What is the primary function of circular folds and intestinal villi in the small intestine?

Accepted Answer

To increase the surface area of the mucosa

Question 11

Complexes of fatty acids, monoglycerides, and bile salts formed during digestion are called:

Accepted Answer

Micelles

Question 12

After fat digestion, the products are transported initially by which system?

Accepted Answer

Lymphatic vessels

Question 13

Where does chemical digestion of proteins begin?

Accepted Answer

Stomach

Question 14

Each tooth is anchored in its alveolar socket by which structure?

Accepted Answer

Periodontal ligament

Question 15

During deglutition (swallowing), which phase occurs first?

Accepted Answer

Buccal phase

Question 16

Which structure helps prevent food from entering the pharynx prematurely during swallowing?

Accepted Answer

Uvula

Question 17

Which cells in the stomach secrete hydrochloric acid ($$\mathrm{HCl}$$)?

Accepted Answer

Parietal cells

Question 18

A drug that blocks the action of carbonic anhydrase in parietal cells would result in which of the following during gastric digestion?

Accepted Answer

A higher pH in the stomach

Question 19

Which of the following statements is TRUE regarding digestion and absorption in the stomach?

Accepted Answer

Protein digestion begins in the stomach

Question 20

The gastric phase of gastric secretion is triggered by which event?

Accepted Answer

Entry of food into the stomach

ANP College Course Study Guide: Digestive System Worksheet

Study Guide - Practice Questions