Question 1

Which of the following is not a characteristic of the large intestine?

Accepted Answer

A)   It includes the ascending, transverse, and descending colon.
B)   It contains an abundant bacterial flora.
C)   It is the main site of nutrient absorption.
D)   It absorbs much of the water and salts remaining in the wastes.

Question 2

What is the distinction between Crohn's disease and ulcerative colitis?

Accepted Answer

A)   Although both diseases are caused by inflammation, Crohn's disease occurs only in the small intestine, whereas ulcerative colitis occurs only in the large intestine.
B)   Crohn's disease is caused by the bacterium H. pylori, whereas ulcerative colitis results from the failure of acid to be neutralized before it reaches the colon.
C)   Crohn's disease produces deeper erosions of the mucosa and occurs throughout the intestines, whereas ulcerative colitis occurs mostly in the rectum.
D)   Crohn's disease results in diverticula, caused by insufficient dietary fiber, whereas ulcerative colitis is caused by the bacterium H. pylori.

Question 3

The terminal portion of the small intestine is the

Accepted Answer

A)   duodenum.
B)   ileum.
C)   jejunum.
D)   pyloric sphincter.

Question 4

To say someone is "tongue-tied" means that the

Accepted Answer

A)   lips are exceptionally immobile.
B)   tongue muscles are weak.
C)   salivary glands produce little lubricant.
D)   lingual frenulum is short.

Question 5

The right and left hepatic ducts join to form the ________ duct.

Accepted Answer

The answer of The right and left hepatic ducts join...

Question 6

Secretions of the parotid gland empty

Accepted Answer

A)   anterior to the frenulum of the tongue.
B)   between the lingual tonsil and epiglottis.
C)   lateral to the upper molars.
D)   through 10 ducts on the floor of the oral cavity.

Question 7

Use the diagram above to answer the following questions.
-Identify the letter that indicates the root.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 8

Which of the following statements about the large intestine is false?

Accepted Answer

A)   It has no villi.
B)   It exhibits external muscular bands called the taeniae coli.
C)   It is longer than the small intestine.
D)   It has haustra.

Question 9

The vermiform appendix lies within the ________ region of the abdomen.

Accepted Answer

A)   right lateral (lumbar) 
B)   left lateral (lumbar) 
C)   right inguinal
D)   left inguinal

Question 10

From the lumen outward, the layers of the gastrointestinal tract are mucosa, submucosa, muscularis, serosa.

Accepted Answer

A) True 
 B)False

Question 11

Use the diagram above to answer the following questions.
-Identify the letter that indicates folds which allow for expansion of the stomach.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 12

Mucosa-associated lymphoid tissue (MALT)  is primarily located within the

Accepted Answer

A)   lamina propria.
B)   muscularis mucosa.
C)   serosa.
D)   submucosa.

Question 13

Use the diagram above to answer the following questions.
-Identify the letter indicating the duct which carries digestive enzymes from acinar cells in the pancreas.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 14

Which of the following is not a characteristic of the rectum?

Accepted Answer

A)   lacks tenia coli
B)   has longitudinal folds called columns
C)   is secondarily retroperitoneal
D)   has transverse folds called rectal valves

Question 15

The digestive organ primarily responsible for the absorption of water is the

Accepted Answer

A)   ileum.
B)   duodenum.
C)   anus.
D)   large intestine.

Question 16

Junction of the transverse and ascending colon.

Accepted Answer

A)   splenic flexure
B)   cecum
C)   hepatic flexure
D)   ileocecal valve
E)   haustra

Question 17

Which layer of the digestive tract is responsible for the peristaltic waves that propel materials from one portion to another?

Accepted Answer

A)   muscularis externa
B)   serosa
C)   submucosa
D)   mucosa

Question 18

The splenic flexure is the boundary between the

Accepted Answer

A)   spleen and stomach.
B)   transverse and descending colon.
C)   transverse and ascending colon.
D)   descending colon and sigmoid colon.

Question 19

The region between your teeth and lips is called the ________.

Accepted Answer

The answer of The region between your teeth and lips...

Question 20

The splenic (left colic)  flexure of the colon is located within the

Accepted Answer

A)   left hypochondriac region.
B)   left lateral (lumbar)  region.
C)   right hypochondriac region.
D)   right lateral (lumbar)  region.

Exam 23: The Digestive System

Use the diagram above to answer the following questions. -Identify the letter indicating the duct which carries digestive enzymes from acinar cells in the pancreas.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of the rectum?

Correct AnswerverifiedShow Answer

The right and left hepatic ducts join to form the ________ duct.

Correct AnswerverifiedShow Answer

The splenic (left colic) flexure of the colon is located within the

Correct AnswerverifiedShow Answer

Which of the following statements about the large intestine is false?

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates folds which allow for expansion of the stomach.

Correct AnswerverifiedShow Answer

From the lumen outward, the layers of the gastrointestinal tract are mucosa, submucosa, muscularis, serosa.

Correct AnswerverifiedShow Answer

The vermiform appendix lies within the ________ region of the abdomen.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of the large intestine?

Correct AnswerverifiedShow Answer

The terminal portion of the small intestine is the

Correct AnswerverifiedShow Answer

Mucosa-associated lymphoid tissue (MALT) is primarily located within the

Correct AnswerverifiedShow Answer

The splenic flexure is the boundary between the

Correct AnswerverifiedShow Answer

The region between your teeth and lips is called the ________.

Correct AnswerverifiedShow Answer

Which layer of the digestive tract is responsible for the peristaltic waves that propel materials from one portion to another?

Correct AnswerverifiedShow Answer

What is the distinction between Crohn's disease and ulcerative colitis?

Correct AnswerverifiedShow Answer

To say someone is "tongue-tied" means that the

Correct AnswerverifiedShow Answer

The digestive organ primarily responsible for the absorption of water is the

Correct AnswerverifiedShow Answer

Secretions of the parotid gland empty

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the root.

Correct AnswerverifiedShow Answer

Junction of the transverse and ascending colon.

Correct AnswerverifiedShow Answer

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