Question 1

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Accepted Answer

A)   Lamina propria,muscularis mucosae,submucosa,muscularis externa,serosa
B)   Serosa,lamina propria,submucosa,muscularis mucosae,muscularis externa
C)   Mucosa,submucosa,muscularis mucosae,muscularis externa,lamina propria
D)   Mucosa,muscularis mucosae,submucosa,muscularis externa,lamina propria
E)   Mucosa,submucosa,muscularis externa,lamina propria,serosaF) B) and E)
G) D) and E)

Question 2

Which of the following is not normally found in saliva?

Accepted Answer

A)   Mucus
B)   Lysozyme
C)   Amylase
D)   Lipase
E)   ProteaseF) B) and D)
G) B) and E)

Question 3

The small intestine is suspended from the abdominal wall by the ___________.

Accepted Answer

A)   falciform ligament
B)   mesentery
C)   greater omentum
D)   lesser omentum
E)   esophageal hiatusF) A) and C)
G) A) and D)

Question 4

Necessary for Vitamin B12 absorption,__________ is/are secreted by __________ cells.

Accepted Answer

A)   intrinsic factor;parietal
B)   bile salts;chief
C)   lecithin;hepatic
D)   hydrochloric acid;parietal
E)   enteropeptidase;mucousF) All of the above
G) C) and E)

Question 5

The large intestine is longer than the small intestine.

Accepted Answer

A) True 
 B)False

Question 6

Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus.

Accepted Answer

A) True 
 B)False

Question 7

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Accepted Answer

A)   lumen
B)   muscularis externa
C)   submucosa
D)   mucosa (mucous membrane) 
E)   serosa (mesentery) F) A) and B)
G) All of the above

Question 8

The brush borders of intestinal absorptive cells contain numerous goblet cells.

Accepted Answer

A) True 
 B)False

Question 9

The digestive system processes food,extracts nutrients,and eliminates the residue.

Accepted Answer

A) True 
 B)False

Question 10

The small intestine begins with the duodenum,which is its longest segment.

Accepted Answer

A) True 
 B)False

Question 11

Both pancreatic juice and bile are secreted into the duodenum.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not an accessory organ of digestion?

Accepted Answer

A)   Tongue
B)   Liver
C)   Pancreas
D)   Salivary glands
E)   SpleenF) B) and C)
G) A) and E)

Question 13

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Accepted Answer

A)   lumen
B)   muscularis externa
C)   submucosa
D)   mucosa (mucous membrane) 
E)   serosaF) B) and E)
G) A) and B)

Question 14

The __________ regulates digestive tract motility,secretion,and blood flow.Its neurons are found in the __________.

Accepted Answer

A)   autonomic nervous system;serosa
B)   central nervous system;muscularis externa and muscularis mucosae
C)   enteric nervous system;submucosa and muscularis externa
D)   visceral sensory division;muscularis externa and submucosa
E)   visceral motor division;mucosa and submucosaF) A) and D)
G) None of the above

Question 15

The __________ synthesizes bile acids by metabolizing __________.

Accepted Answer

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

Question 16

The __________ stores excess glucose and releases it into the blood when needed.

Accepted Answer

A)   pancreas
B)   stomach
C)   liver
D)   spleen
E)   small intestineF) B) and D)
G) C) and D)

Question 17

The __________ phase is associated with food stretching the stomach and activating myenteric and vagovagal reflexes,which in turn stimulate gastric secretions.

Accepted Answer

A)   cephalic
B)   gastric
C)   intestinal
D)   gastrointestinal
E)   mesentericF) None of the above
G) B) and D)

Question 18

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Accepted Answer

A)   carbonic acid
B)   carbonic anhydrase
C)   dipeptidase
D)   protease
E)   ATPaseF) A) and B)
G) B) and E)

Question 19

Gastric juice consists entirely of water and hydrochloric acid.

Accepted Answer

A) True 
 B)False

Exam 25: The Digestive System

Necessary for Vitamin B₁₂ absorption, is/are secreted by cells.

Correct Answer
verified

The brush borders of intestinal absorptive cells contain numerous goblet cells.

Correct Answer
verified

Which of the following is not an accessory organ of digestion?

Correct Answer
verified

The large intestine is longer than the small intestine.

Correct Answer
verified

The __________ stores excess glucose and releases it into the blood when needed.

Correct Answer
verified

The small intestine begins with the duodenum,which is its longest segment.

Correct Answer
verified

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Correct Answer
verified

Both pancreatic juice and bile are secreted into the duodenum.

Correct Answer
verified

Which of the following is not normally found in saliva?

Correct Answer
verified

The regulates digestive tract motility,secretion,and blood flow.Its neurons are found in the .

Correct Answer
verified

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Correct Answer
verified

The small intestine is suspended from the abdominal wall by the ___________.

Correct Answer
verified

Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus.

Correct Answer
verified

Gastric juice consists entirely of water and hydrochloric acid.

Correct Answer
verified

The synthesizes bile acids by metabolizing .

Correct Answer
verified

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Correct Answer
verified

The digestive system processes food,extracts nutrients,and eliminates the residue.

Correct Answer
verified

The __________ phase is associated with food stretching the stomach and activating myenteric and vagovagal reflexes,which in turn stimulate gastric secretions.

Correct Answer
verified

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Correct Answer
verified

Exam 25: The Digestive System

Necessary for Vitamin B12 absorption,__________ is/are secreted by __________ cells.

Correct AnswerverifiedShow Answer

The brush borders of intestinal absorptive cells contain numerous goblet cells.

Correct AnswerverifiedShow Answer

Which of the following is not an accessory organ of digestion?

Correct AnswerverifiedShow Answer

The large intestine is longer than the small intestine.

Correct AnswerverifiedShow Answer

The __________ stores excess glucose and releases it into the blood when needed.

Correct AnswerverifiedShow Answer

The small intestine begins with the duodenum,which is its longest segment.

Correct AnswerverifiedShow Answer

The layer that is responsible for the motility that propels food and residue through the digestive tract is called the __________.

Correct AnswerverifiedShow Answer

Both pancreatic juice and bile are secreted into the duodenum.

Correct AnswerverifiedShow Answer

Which of the following is not normally found in saliva?

Correct AnswerverifiedShow Answer

The __________ regulates digestive tract motility,secretion,and blood flow.Its neurons are found in the __________.

Correct AnswerverifiedShow Answer

Each of the following lists some of the tissue layers of the digestive tract.Which one has them in correct order from lumen to external surface?

Correct AnswerverifiedShow Answer

The small intestine is suspended from the abdominal wall by the ___________.

Correct AnswerverifiedShow Answer

Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus.

Correct AnswerverifiedShow Answer

Gastric juice consists entirely of water and hydrochloric acid.

Correct AnswerverifiedShow Answer

The __________ synthesizes bile acids by metabolizing __________.

Correct AnswerverifiedShow Answer

The outermost layer of the digestive tract,which is composed of a thin layer of areolar tissue and simple squamous epithelium,is called the __________.

Correct AnswerverifiedShow Answer

The digestive system processes food,extracts nutrients,and eliminates the residue.

Correct AnswerverifiedShow Answer

The __________ phase is associated with food stretching the stomach and activating myenteric and vagovagal reflexes,which in turn stimulate gastric secretions.

Correct AnswerverifiedShow Answer

The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.

Correct AnswerverifiedShow Answer

Necessary for Vitamin B₁₂ absorption, is/are secreted by cells.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The regulates digestive tract motility,secretion,and blood flow.Its neurons are found in the .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The synthesizes bile acids by metabolizing .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified