Question 1

Large blood vessels and lymphatics are found in the

Accepted Answer

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

Question 2

Match the proenzyme on the left (1-3) with the correct enzyme activator on the right (4-6)  1. pepsinogen 4. enterokinase
2)  trypsinogen 5. hydrochloric acid
3)  procarboxypeptidase 6. trypsin

Accepted Answer

A)  1 and 6, 2 and 5, 3 and 4
B)  1 and 4, 2 and 5, 3 and 6
C)  1 and 4, 2 and 6, 3 and 5
D)  1 and 5, 2 and 6, 3 and 4
E)  1 and 5, 2 and 4, 3 and 6

Question 3

At the splenic flexure,the colon becomes the

Accepted Answer

A)  ascending colon.
B)  transverse colon.
C)  descending colon.
D)  sigmoid colon.
E)  rectum.

Question 4

Functions of teeth include

Accepted Answer

A)  tearing.
B)  crushing.
C)  cutting.
D)  clipping.
E)  All of the answers are correct.

Question 5

An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is

Accepted Answer

A)  enterocrinin.
B)  enteropeptidase.
C)  secretin.
D)  cholecystokinin.
E)  gastric inhibitory peptide (GIP) .

Question 6

After food and gastric juices combine,the gastric contents are referred to as ________.

Accepted Answer

The answer of After food and gastric juices combine,the gastric...

Question 7

What local reflexes control the GI tract?

Accepted Answer

The GI tract has extensive sensory and m...

Question 8

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following question:
-What is the layer labeled "4"?

Accepted Answer

A)  mucosa
B)  submucusa
C)  muscularis externa
D)  muscularis mucosae
E)  serosa

Question 9

A feature of the digestive tract wall that increases surface area available for absorption is the

Accepted Answer

A)  transitional cells.
B)  plicae.
C)  elastic cells.
D)  rugae.
E)  villi.

Question 10

Digestion refers to the

Accepted Answer

A)  progressive dehydration of indigestible residue.
B)  mechanical breakdown of food.
C)  chemical breakdown of food.
D)  mechanical and chemical breakdown of food.
E)  All of the answers are correct.

Question 11

The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves,lymphatics,and blood vessels.

Accepted Answer

A)  serosa
B)  adventitia
C)  mesenteries
D)  fibrosa
E)  lamina propria

Question 12

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following question:
-The structure labeled "5"

Accepted Answer

A)  contributes to the mesentery of the small intestine.
B)  has a simple squamous epithelium.
C)  is part of the visceral peritoneum.
D)  is called the serosa.
E)  All of the answers are correct.

Question 13

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following question:
-Contraction of the muscle layer labeled "9" causes the digestive tract to

Accepted Answer

A)  constrict.
B)  shorten.
C)  dilate.
D)  fold for increased surface area.
E)  secrete enzymes.

Question 14

All of the following contain mucous cells in the epithelium,except the

Accepted Answer

A)  stomach.
B)  transverse colon.
C)  esophagus.
D)  small intestine.
E)  large intestine.

Question 15

The greater omentum is

Accepted Answer

A)  the entrance to the stomach.
B)  attached to the stomach at the lesser curvature.
C)  important in the digestion of fats.
D)  a fatty sheet that hangs like an apron over the abdominal viscera.
E)  a sheet of mesentery that attaches to the liver.

Question 16

If the lingual frenulum is too restrictive,an individual

Accepted Answer

A)  has a condition called ankyloglossia.
B)  has difficulty eating.
C)  cannot speak normally.
D)  cannot protract the tongue as far as most individuals.
E)  All of the answers are correct.

Question 17

The portion of the small intestine that attaches to the cecum is the

Accepted Answer

A)  haustrum.
B)  appendix.
C)  ileum.
D)  duodenum.
E)  jejunum.

Question 18

The Kupffer cells of the liver

Accepted Answer

A)  destroy RBCs.
B)  destroy bacteria.
C)  present antigens.
D)  are phagocytic.
E)  All of the answers are correct.

Question 19

The villi are most developed in the

Accepted Answer

A)  stomach.
B)  duodenum.
C)  jejunum.
D)  gallbladder.
E)  cecum.

Question 20

Complexes of fatty acids,monoglycerides,and bile salts are called ________.

Accepted Answer

The answer of Complexes of fatty acids,monoglycerides,and bile salts are...

Exam 24: The Digestive System

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following question: -The structure labeled "5"

Correct AnswerverifiedShow Answer

Large blood vessels and lymphatics are found in the

Correct AnswerverifiedShow Answer

Functions of teeth include

Correct AnswerverifiedShow Answer

The villi are most developed in the

Correct AnswerverifiedShow Answer

Digestion refers to the

Correct AnswerverifiedShow Answer

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following question: -What is the layer labeled "4"?

Correct AnswerverifiedShow Answer

All of the following contain mucous cells in the epithelium,except the

Correct AnswerverifiedShow Answer

The Kupffer cells of the liver

Correct AnswerverifiedShow Answer

The greater omentum is

Correct AnswerverifiedShow Answer

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following question: -Contraction of the muscle layer labeled "9" causes the digestive tract to

Correct AnswerverifiedShow Answer

At the splenic flexure,the colon becomes the

Correct AnswerverifiedShow Answer

If the lingual frenulum is too restrictive,an individual

Correct AnswerverifiedShow Answer

A feature of the digestive tract wall that increases surface area available for absorption is the

Correct AnswerverifiedShow Answer

The portion of the small intestine that attaches to the cecum is the

Correct AnswerverifiedShow Answer

After food and gastric juices combine,the gastric contents are referred to as ________.

Correct AnswerverifiedShow Answer

The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves,lymphatics,and blood vessels.

Correct AnswerverifiedShow Answer

Complexes of fatty acids,monoglycerides,and bile salts are called ________.

Correct AnswerverifiedShow Answer

Match the proenzyme on the left (1-3) with the correct enzyme activator on the right (4-6) 1. pepsinogen 4. enterokinase 2) trypsinogen 5. hydrochloric acid 3) procarboxypeptidase 6. trypsin

Correct AnswerverifiedShow Answer

What local reflexes control the GI tract?

Correct AnswerverifiedThe GI tract has extensive sensory and m...View AnswerShow Answer

An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is

Correct AnswerverifiedShow Answer

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The GI tract has extensive sensory and m...
View Answer

Correct Answer
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