Question 1

Gross & microscopic anatomy of the alimentary canal. 
-This figure shows an intestinal villus. What is the structure indicated by the number 1?

Accepted Answer

A)   Intestinal artery
B)   Lacteal
C)   Microvillus
D)   Intestinal vein
E)   FlagellumF) A) and B)
G) B) and C)

Question 2

Which organ is not considered an accessory digestive organ?

Accepted Answer

A)   Tongue
B)   Teeth
C)   Pancreas
D)   Salivary glands
E)   PharynxF) B) and C)
G) None of the above

Question 3

Lysozyme within saliva primarily functions to

Accepted Answer

A)   moisten and disperse food.
B)   initiate the chemical breakdown of starch.
C)   inhibit bacterial growth.
D)   wash materials off teeth.E) A) and D)
F) None of the above

Question 4

The term "retroperitoneal" may be used to describe the location of certain abdominal organs. This means that such organs are located

Accepted Answer

A)   between the visceral and parietal layers of the peritoneum.
B)   posterior to the parietal peritoneum.
C)   in the peritoneal cavity.
D)   between folds of the parietal peritoneum.
E)   deep to the visceral peritoneum.F) C) and D)
G) B) and E)

Question 5

Nucleic acids are digested within the

Accepted Answer

A)   mouth.
B)   stomach.
C)   small intestine.
D)   pancreas.
E)   large intestine.F) C) and E)
G) None of the above

Question 6

An increased secretion of watery saliva will result when the

Accepted Answer

A)   basal nuclei of the brainstem activate sympathetic pathways to salivary glands.
B)   basal nuclei of the cerebrum activate somatic pathways to salivary glands.
C)   salivary nuclei of the brainstem activate parasympathetic pathways to salivary glands.
D)   salivary nuclei of the cerebrum activate sympathetic pathways to salivary glands.
E)   glossopharyngeal nuclei of the pons activate somatic and sympathetic pathways to the salivary glands.F) B) and E)
G) A) and B)

Question 7

Vagus nerve activity ________ release of pancreatic juice.

Accepted Answer

A)   stimulates
B)   inhibitsC) A) and B)
D) undefined

Question 8

Gross & microscopic anatomy of the alimentary canal. 
-This figure shows an intestinal villus. What is the invagination indicated by the number 2?

Accepted Answer

A)   Gastric gland
B)   Lymphatic nodule
C)   Intestinal gland
D)   Endocrine gland
E)   Peyer patchF) A) and E)
G) A) and D)

Question 9

The deciduous teeth are the ________ teeth, and there are a total of ________ deciduous teeth.

Accepted Answer

A)   milk; 8
B)   milk; 20
C)   wisdom; 4
D)   permanent; 20
E)   permanent; 28F) B) and D)
G) None of the above

Question 10

The pancreas is part of the alimentary canal.

Accepted Answer

A) True 
 B)False

Question 11

The esophagus is part of the gastrointestinal tract.

Accepted Answer

A) True 
 B)False

Question 12

Which layer(s)  of the wall of the GI tract contain a nerve plexus?

Accepted Answer

A)   Muscularis only
B)   Mucosa and serosa
C)   Adventitia only
D)   Mucosa and muscularis
E)   Submucosa and muscularisF) A) and B)
G) B) and D)

Question 13

The transverse colon is part of the upper gastrointestinal tract.

Accepted Answer

A) True 
 B)False

Question 14

The process of swallowing is also called ________.

Accepted Answer

The answer of The process of swallowing is also called...

Question 15

Which is not a fold of peritoneum that forms a mesentery?

Accepted Answer

A)   Lesser omentum
B)   Falciform ligament
C)   Mesentery proper
D)   Mesocolon
E)   Intraperitoneal ligamentF) All of the above
G) C) and D)

Question 16

Mechanical & chemical processes of digestion. 
-This figure shows the stomach. What mesentery is attached to the region indicated by number 6?

Accepted Answer

A)   Falciform ligament
B)   Mesentery proper
C)   Gastric ligament
D)   Greater omentum
E)   Lesser omentumF) A) and B)
G) None of the above

Question 17

Mastication is a process that facilitates

Accepted Answer

A)   propulsion of materials through the intestine, and it involves simultaneous secretion of enzymes.
B)   mixing of food within the stomach, and it occurs with simultaneous hormone secretion there.
C)   swallowing of food, and it increases the surface area of the food for exposure to enzymes.
D)   absorption of nutrients into the bloodstream, and it involves carrier proteins in the epithelium.E) All of the above
F) None of the above

Question 18

Which is an accurate description of glucose and sucrose?

Accepted Answer

A)   Glucose is a monosaccharide, sucrose is a polysaccharide, both molecules are starches.
B)   Glucose is a monosaccharide, sucrose is a disaccharide, both molecules are carbohydrates.
C)   Glucose is a disaccharide, sucrose is a monosaccharide, both molecules are lipids.
D)   Glucose is a disaccharide, sucrose is a glycolipid, both molecules are essential nutrients.
E)   Glucose is a monoamine, sucrose is a dipeptide, both molecules are acidic.F) A) and B)
G) B) and D)

Question 19

Carboxypeptidase is an enzyme that helps digest

Accepted Answer

A)   amino acids within the stomach.
B)   complex carbohydrates within the small intestine.
C)   peptides within the small intestine.
D)   disaccharides within the duodenum.
E)   starch within the stomach.F) A) and B)
G) B) and E)

Question 20

The mastication center is located in the ________ of the brain.

Accepted Answer

A)   hippocampus and amygdala
B)   medulla and pons
C)   hypothalamus
D)   entorhinal cortex and basal nuclei
E)   solitary nucleusF) C) and E)
G) A) and B)

Exam 26: Digestive System

Which is not a fold of peritoneum that forms a mesentery?

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Mechanical & chemical processes of digestion. -This figure shows the stomach. What mesentery is attached to the region indicated by number 6?

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Which organ is not considered an accessory digestive organ?

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Gross & microscopic anatomy of the alimentary canal. -This figure shows an intestinal villus. What is the invagination indicated by the number 2?

Correct AnswerverifiedShow Answer

Which is an accurate description of glucose and sucrose?

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The deciduous teeth are the ________ teeth, and there are a total of ________ deciduous teeth.

Correct AnswerverifiedShow Answer

The transverse colon is part of the upper gastrointestinal tract.

Correct AnswerverifiedShow Answer

The term "retroperitoneal" may be used to describe the location of certain abdominal organs. This means that such organs are located

Correct AnswerverifiedShow Answer

Nucleic acids are digested within the

Correct AnswerverifiedShow Answer

Gross & microscopic anatomy of the alimentary canal. -This figure shows an intestinal villus. What is the structure indicated by the number 1?

Correct AnswerverifiedShow Answer

Vagus nerve activity ________ release of pancreatic juice.

Correct AnswerverifiedShow Answer

The mastication center is located in the ________ of the brain.

Correct AnswerverifiedShow Answer

Carboxypeptidase is an enzyme that helps digest

Correct AnswerverifiedShow Answer

The pancreas is part of the alimentary canal.

Correct AnswerverifiedShow Answer

Which layer(s) of the wall of the GI tract contain a nerve plexus?

Correct AnswerverifiedShow Answer

An increased secretion of watery saliva will result when the

Correct AnswerverifiedShow Answer

The process of swallowing is also called ________.

Correct AnswerverifiedShow Answer

Mastication is a process that facilitates

Correct AnswerverifiedShow Answer

Lysozyme within saliva primarily functions to

Correct AnswerverifiedShow Answer

The esophagus is part of the gastrointestinal tract.

Correct AnswerverifiedShow Answer

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The deciduous teeth are the teeth, and there are a total of deciduous teeth.

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