Question 1

Which of the following is a function of the digestive system?

Accepted Answer

A)   Cellular respiration
B)   Food selection
C)   Elimination of undigested food
D)   Regulation of blood pH
E)   Integration and coordination of other systems

Question 2

Match the function with its appropriate description.
-Elimination

Accepted Answer

A)  Movement of molecules from digestive tract into blood
B)  Chewing of food
C)  Muscular contractions that propel food
D)  Removal of undigested wastes from body
E)  Breakdown of organic molecules with digestive enzymes

Question 3

Match the function with its appropriate description.
-Peristalsis

Accepted Answer

A)  Movement of molecules from digestive tract into blood
B)  Chewing of food
C)  Muscular contractions that propel food
D)  Removal of undigested wastes from body
E)  Breakdown of organic molecules with digestive enzymes

Question 4

The ________ synthesizes bile acids by metabolizing ________.

Accepted Answer

A)   duodenum; neutral fats
B)   ileum; bilirubin
C)   gallbladder; cholesterol
D)   pancreas; bile salts
E)   liver; cholesterol

Question 5

Which of the following regions of the stomach is correctly matched with its description?

Accepted Answer

A)   Body - portion closest to the esophagus
B)   Pylorus - the most inferior portion of the stomach
C)   Fundus - opening from the stomach into the duodenum
D)   Cardiac region - the largest portion of the stomach
E)   Pyloric opening - opening from the esophagus

Question 6

What prevents the bolus from entering the larynx during deglutition?

Accepted Answer

A)   Epiglottis
B)   Uvula
C)   Tongue
D)   Upper esophageal sphincter

Question 7

Which of the following represents a mismatch in stomach wall structure?

Accepted Answer

A)   Muscularis - two layers; both circular
B)   Rugae - folds of mucosa and submucosa
C)   Mucosa - gastric glands
D)   Gastric pits - open onto surface of stomach mucosa
E)   Lining - simple columnar epithelium

Question 8

Match the function with its appropriate description.
-Chemical digestion

Accepted Answer

A)  Movement of molecules from digestive tract into blood
B)  Chewing of food
C)  Muscular contractions that propel food
D)  Removal of undigested wastes from body
E)  Breakdown of organic molecules with digestive enzymes

Question 9

What is found in an intestinal villus?

Accepted Answer

A)   Brush border
B)   Digestive enzymes
C)   Blood capillaries and a lacteal
D)   Peyer patches and a lacteal

Question 10

Which of the following enzymes is found in inactive form in pancreatic juice?

Accepted Answer

A)   Bile
B)   Trypsin
C)   Sucrase
D)   Pepsin
E)   Lipase

Question 11

Gastrocolic reflexes are reflexes that

Accepted Answer

A)   empty the stomach.
B)   release gastric secretions into the stomach.
C)   cause mass movements of the colon when food is present in the stomach.
D)   lead to mass movements of the colon in response to food in the duodenum.
E)   stop movement in the colon.

Question 12

Inflammation of the gums is called ________.

Accepted Answer

A)   dental caries
B)   pyorrhea
C)   halitosis
D)   gingivitis

Question 13

The myenteric plexus is found in the ________ of the digestive tract wall.

Accepted Answer

A)   mucosa
B)   serosa
C)   submucosa
D)   muscularis
E)   adventitia

Question 14

Functions of the liver include ________.

Accepted Answer

A)   production of many blood proteins
B)   interconversion of nutrients
C)   detoxification of harmful chemicals
D)   bile production
E)   All of the choices are correct

Question 15

Match the cell type with its function.
-Goblet cells

Accepted Answer

A)  Produce hormones
B)  Produce mucus
C)  May protect intestinal epithelium
D)  Synthesize bile
E)  Produce digestive enzymes

Question 16

Trypsin can activate

Accepted Answer

A)   pepsinogen.
B)   chymotrypsinogen.
C)   angiotensinogen.
D)   endopeptidase.
E)   lipase.

Question 17

Assume we could alter the conditions in the duodenum. Which of the following would be consistent with inserting a large volume of highly acidic chyme which contained a large amount of fat?
(1)  Decreased gastric acid secretion
(2)  Increased bile production
(3)  Increased pancreatic bicarbonate production and pancreatic enzyme secretion
(4)  Increased secretin and cholecystokinin

Accepted Answer

A)   1, 2, 3, 4
B)   1, 2, 3
C)   2, 3, 4
D)   1, 3, 4
E)   1, 2, 4

Question 18

The enteric plexus is composed of the ________ and the ________.

Accepted Answer

A)   submucosal plexus; myenteric plexus
B)   submucosal plexus; colonic plexus
C)   myenteric plexus; pancreatic portal
D)   submucosal plexus; pancreatic portal
E)   colonic plexus; pancreatic plexus

Question 19

Match the enzyme or hormone with the organ that produces it.
-Trypsin

Accepted Answer

A)  Salivary glands
B)  Stomach
C)  Liver
D)  Small intestine
E)  Pancreas

Question 20

Damage to the liver would hamper digestion of ________.

Accepted Answer

A)   carbohydrates
B)   lipids
C)   proteins
D)   disaccharides
E)   All of the choices are correct.

Exam 24: Digestive System

The enteric plexus is composed of the and the .

Correct Answer
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Match the cell type with its function. -Goblet cells

Correct Answer
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Which of the following represents a mismatch in stomach wall structure?

Correct Answer
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Damage to the liver would hamper digestion of ________.

Correct Answer
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Which of the following is a function of the digestive system?

Correct Answer
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Match the function with its appropriate description. -Peristalsis

Correct Answer
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The myenteric plexus is found in the ________ of the digestive tract wall.

Correct Answer
verified

Gastrocolic reflexes are reflexes that

Correct Answer
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What is found in an intestinal villus?

Correct Answer
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Match the function with its appropriate description. -Chemical digestion

Correct Answer
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The synthesizes bile acids by metabolizing .

Correct Answer
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Which of the following enzymes is found in inactive form in pancreatic juice?

Correct Answer
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Match the function with its appropriate description. -Elimination

Correct Answer
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Trypsin can activate

Correct Answer
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Inflammation of the gums is called ________.

Correct Answer
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What prevents the bolus from entering the larynx during deglutition?

Correct Answer
verified

Functions of the liver include ________.

Correct Answer
verified

Correct Answer
verified

Match the enzyme or hormone with the organ that produces it. -Trypsin

Correct Answer
verified

Which of the following regions of the stomach is correctly matched with its description?

Correct Answer
verified

Exam 24: Digestive System

The enteric plexus is composed of the ________ and the ________.

Correct AnswerverifiedShow Answer

Match the cell type with its function. -Goblet cells

Correct AnswerverifiedShow Answer

Which of the following represents a mismatch in stomach wall structure?

Correct AnswerverifiedShow Answer

Damage to the liver would hamper digestion of ________.

Correct AnswerverifiedShow Answer

Which of the following is a function of the digestive system?

Correct AnswerverifiedShow Answer

Match the function with its appropriate description. -Peristalsis

Correct AnswerverifiedShow Answer

The myenteric plexus is found in the ________ of the digestive tract wall.

Correct AnswerverifiedShow Answer

Gastrocolic reflexes are reflexes that

Correct AnswerverifiedShow Answer

What is found in an intestinal villus?

Correct AnswerverifiedShow Answer

Match the function with its appropriate description. -Chemical digestion

Correct AnswerverifiedShow Answer

The ________ synthesizes bile acids by metabolizing ________.

Correct AnswerverifiedShow Answer

Which of the following enzymes is found in inactive form in pancreatic juice?

Correct AnswerverifiedShow Answer

Match the function with its appropriate description. -Elimination

Correct AnswerverifiedShow Answer

Trypsin can activate

Correct AnswerverifiedShow Answer

Inflammation of the gums is called ________.

Correct AnswerverifiedShow Answer

What prevents the bolus from entering the larynx during deglutition?

Correct AnswerverifiedShow Answer

Functions of the liver include ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Match the enzyme or hormone with the organ that produces it. -Trypsin

Correct AnswerverifiedShow Answer

Which of the following regions of the stomach is correctly matched with its description?

Correct AnswerverifiedShow Answer

The enteric plexus is composed of the and the .

Correct Answer
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The synthesizes bile acids by metabolizing .

Correct Answer
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