Question 1

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. 
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 2

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

Question 3

Large blood vessels and lymphatics are found in the

Accepted Answer

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

Question 4

What local reflexes control the GI tract?

Accepted Answer

The GI tract has extensive sensory and m

Question 5

The villi are most developed in the

Accepted Answer

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

Question 6

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

Question 7

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 
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 8

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

Question 9

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

Question 10

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

Accepted Answer

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

Question 11

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

Question 12

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

Question 13

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 14

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

Question 15

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

Question 16

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. 
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 17

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. 
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 18

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. 
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 19

Functions of teeth include

Accepted Answer

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

Question 20

At the splenic flexure,the colon becomes the

Accepted Answer

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

Exam 24: The Digestive System

Digestion refers to the

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

Large blood vessels and lymphatics are found in the

What local reflexes control the GI tract?

The villi are most developed in the

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

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

The Kupffer cells of the liver

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

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

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

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

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

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

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

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

The greater omentum is

If the lingual frenulum is too restrictive,an individual

Functions of teeth include

At the splenic flexure,the colon becomes the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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