Question 1

Match the cell type with its function.
-Hepatocytes

Accepted Answer

A)  Produce hormones
B)  Produce mucus
C)  May protect intestinal epithelium
D)  Synthesize bile
E)  Produce digestive enzymesF) D) and E)
G) All of the above

Question 2

Which structure moves food from the pharynx to the stomach?

Accepted Answer

A)   Larynx
B)   Laryngopharynx
C)   Esophagus
D)   EpiglottisE) All of the above
F) B) and C)

Question 3

Why doesn't the stomach digest itself?

Accepted Answer

A)   The stomach wall lacks proteins so enzymes won't attack it.
B)   The digestive enzymes in the stomach aren't efficient enough.
C)   The stomach lining is too tough to be digested.
D)   The stomach wall is protected by large amounts of mucus.
E)   The stomach is protected by HCl.F) C) and D)
G) B) and D)

Question 4

Arrange the following in proper sequence as they occur first in the body.
(1)  Digestion
(2)  Elimination
(3)  Ingestion
(4)  Absorption

Accepted Answer

A)   3, 4, 2, 1
B)   1, 4, 3, 2
C)   4, 1, 2, 3
D)   3, 4, 1, 2
E)   3, 1, 4, 2F) D) and E)
G) A) and E)

Question 5

Match the enzyme with the products of its digestive activity.
-Pancreatic lipase

Accepted Answer

A)  Glucose and galactose
B)  Amino acids
C)  Fatty acids and glycerol
D)  Maltose and isomaltose
E)  Polysaccharides and disaccharidesF) B) and C)
G) D) and E)

Question 6

Small droplets of digested lipids surrounded by bile salts are called ________.

Accepted Answer

A)   chylomicrons
B)   micelles
C)   monoglycerides
D)   diglycerides
E)   lactealsF) D) and E)
G) A) and B)

Question 7

Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most appropriately referred to as ________.

Accepted Answer

A)   esophagitis
B)   a duodenal ulcer
C)   a hiatal hernia
D)   gastric ulcer
E)   indigestionF) A) and E)
G) A) and B)

Question 8

Contact digestion takes place in/at the ________.

Accepted Answer

A)   gastric pits
B)   surface of the gastric mucosa
C)   intestinal crypts
D)   brush border of the small intestine
E)   cytoplasm in the cells of the small intestineF) D) and E)
G) C) and D)

Question 9

A cracker will "melt in your mouth" because of the action of lingual lipase.

Accepted Answer

A) True 
 B)False

Question 10

How much saliva is generally produced each day?

Accepted Answer

A)   ½ - 1 L
B)   1 - 1½ L
C)   2 - 3 L
D)   4 - 5 LE) None of the above
F) B) and D)

Question 11

Sammy is a 67-year-old man that has the following digestive issues: GERD, peptic ulcers, and diarrhea. Which of the following is least likely to be a consequence of Sammy's age?

Accepted Answer

A)   Diarrhea
B)   GERD
C)   Peptic ulcer
D)   Both "GERD" and "peptic ulcer" are correct.E) C) and D)
F) None of the above

Question 12

The distention of the stomach by food is the primary stimulus to begin the ________ phase of gastric secretion.

Accepted Answer

A)   cephalic
B)   gastric
C)   intestinal
D)   cystic
E)   hepaticF) B) and C)
G) C) and D)

Question 13

The hepatic sinusoids

Accepted Answer

A)   transport bile.
B)   have phagocytic cells in their lining.
C)   are part of the portal triad.
D)   connect to the gallbladder.
E)   do not have a function.F) A) and C)
G) A) and B)

Question 14

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the ________.

Accepted Answer

A)   ileocecal valve
B)   hepatic flexure
C)   splenic flexure
D)   cardiac sphincter
E)   gastric flexureF) B) and E)
G) All of the above

Question 15

Which of the following components of saliva is mismatched with its function?

Accepted Answer

A)   Mucin - lubricant
B)   Lysozyme - antibacterial properties
C)   Bicarbonate - neutralizes acid
D)   IgA - prevents infection
E)   Salivary amylase - begins protein digestionF) C) and E)
G) C) and D)

Question 16

Strong peristaltic contractions in the large intestine are called ________.

Accepted Answer

A)   segmental contractions
B)   churning contractions
C)   mass movements
D)   rectal propulsions
E)   defecationF) C) and E)
G) A) and B)

Question 17

Which of the following does NOT illustrate digestion?

Accepted Answer

A)   Polysaccharides → disaccharides
B)   Fat → fatty acids and glycerol
C)   CO2 and H2O → carbohydrates
D)   Protein → amino acids
E)   Disaccharides → monosaccharidesF) A) and B)
G) A) and C)

Question 18

Which of the following would inhibit normal movements of the tongue?

Accepted Answer

A)   Swollen lips
B)   Lingual frenulum extending to tip of tongue
C)   Decrease in number of taste buds
D)   Loss of all teeth
E)   Swollen tonsilsF) A) and B)
G) A) and C)

Question 19

Which of the following is not associated with the large absorptive surface of the small intestine?

Accepted Answer

A)   Circular folds (plicae circulares) 
B)   Intestinal length
C)   Microvilli
D)   Villi
E)   RugaeF) B) and D)
G) A) and E)

Question 20

Diffusion and active transport are likely to be important in

Accepted Answer

A)   mastication of food.
B)   absorption of food.
C)   elimination of undigested food.
D)   propulsion of food through the digestive tract.
E)   mixing of food.F) B) and E)
G) None of the above

Exam 24: Digestive System

Why doesn't the stomach digest itself?

Correct AnswerverifiedShow Answer

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the ________.

Correct AnswerverifiedShow Answer

Strong peristaltic contractions in the large intestine are called ________.

Correct AnswerverifiedShow Answer

Match the enzyme with the products of its digestive activity. -Pancreatic lipase

Correct AnswerverifiedShow Answer

The hepatic sinusoids

Correct AnswerverifiedShow Answer

Small droplets of digested lipids surrounded by bile salts are called ________.

Correct AnswerverifiedShow Answer

Contact digestion takes place in/at the ________.

Correct AnswerverifiedShow Answer

Which structure moves food from the pharynx to the stomach?

Correct AnswerverifiedShow Answer

Which of the following components of saliva is mismatched with its function?

Correct AnswerverifiedShow Answer

Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most appropriately referred to as ________.

Correct AnswerverifiedShow Answer

The distention of the stomach by food is the primary stimulus to begin the ________ phase of gastric secretion.

Correct AnswerverifiedShow Answer

Which of the following is not associated with the large absorptive surface of the small intestine?

Correct AnswerverifiedShow Answer

Arrange the following in proper sequence as they occur first in the body. (1) Digestion (2) Elimination (3) Ingestion (4) Absorption

Correct AnswerverifiedShow Answer

A cracker will "melt in your mouth" because of the action of lingual lipase.

Correct AnswerverifiedShow Answer

Diffusion and active transport are likely to be important in

Correct AnswerverifiedShow Answer

Which of the following would inhibit normal movements of the tongue?

Correct AnswerverifiedShow Answer

How much saliva is generally produced each day?

Correct AnswerverifiedShow Answer

Which of the following does NOT illustrate digestion?

Correct AnswerverifiedShow Answer

Match the cell type with its function. -Hepatocytes

Correct AnswerverifiedShow Answer

Sammy is a 67-year-old man that has the following digestive issues: GERD, peptic ulcers, and diarrhea. Which of the following is least likely to be a consequence of Sammy's age?

Correct AnswerverifiedShow Answer

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