Question 1

The functions of the oral cavity include all of the following except

Accepted Answer

A) sensory analysis of material before swallowing. 
B) mechanical processing of food. 
C) lubrication. 
D) absorption of monosaccharides. 
E) digestion of carbohydrates. 
A) sensory analysis of material before swallowing. 
B) mechanical processing of food. 
C) lubrication. 
D) absorption of monosaccharides. 
E) digestion of carbohydrates.

Question 2

Which of the following is false concerning the process known as cotransport?

Accepted Answer

A) Only neutral compounds such as sugars are transported. 
B) More than one molecule or ion is moved through the cell membrane at one time. 
C) ATP is not required by the transport protein. 
D) Molecules can be moved against a concentration gradient. 
A) Only neutral compounds such as sugars are transported. 
B) More than one molecule or ion is moved through the cell membrane at one time. 
C) ATP is not required by the transport protein. 
D) Molecules can be moved against a concentration gradient.

Question 3

Sucrose is hydrolyzed by sucrase into glucose and

Accepted Answer

A) glucose. 
B) lactose. 
C) fructose. 
D) maltose. 
E) galactose. 
A) glucose. 
B) lactose. 
C) fructose. 
D) maltose. 
E) galactose.

Question 4

The gastroileal reflex

Accepted Answer

A) empties the duodenum. 
B) promotes gastric secretion. 
C) decreases peristaltic activity. 
D) moves some chyme to the colon. 
E) is relayed through the CNS. 
A) empties the duodenum. 
B) promotes gastric secretion. 
C) decreases peristaltic activity. 
D) moves some chyme to the colon. 
E) is relayed through the CNS.

Question 5

During the cephalic phase of gastric secretion,

Accepted Answer

A) the stomach responds to distention. 
B) secretin inhibits parietal and chief cells. 
C) increased production of gastric juice occurs. 
D) the intestinal reflex inhibits gastric emptying. 
E) production of gastric juice slows down. 
A) the stomach responds to distention. 
B) secretin inhibits parietal and chief cells. 
C) increased production of gastric juice occurs. 
D) the intestinal reflex inhibits gastric emptying. 
E) production of gastric juice slows down.

Question 6

The essential functions of the liver include

Accepted Answer

A) metabolic regulation. 
B) hematological regulation. 
C) bile production. 
D) albumin production for blood osmotic pressure. 
E) All of the answers are correct. 
A) metabolic regulation. 
B) hematological regulation. 
C) bile production. 
D) albumin production for blood osmotic pressure. 
E) All of the answers are correct.

Question 7

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following questions:
-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 8

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 9

G cells of the stomach secrete

Accepted Answer

A) cholecystokinin. 
B) secretin. 
C) gastrin. 
D) enteropeptidase. 
E) pepsin. 
A) cholecystokinin. 
B) secretin. 
C) gastrin. 
D) enteropeptidase. 
E) pepsin.

Question 10

At the hepatic 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.

Question 11

The ________ supports all but 25 cm of the small intestine and provides stability and limited movement.

Accepted Answer

A) falciform ligament 
B) greater omentum 
C) mesentery proper 
D) lesser omentum 
E) diaphragm 
A) falciform ligament 
B) greater omentum 
C) mesentery proper 
D) lesser omentum 
E) diaphragm

Question 12

The crown of a tooth is covered by

Accepted Answer

A) enamel. 
B) cementum. 
C) dentin. 
D) pulp. 
E) periodontium. 
A) enamel. 
B) cementum. 
C) dentin. 
D) pulp. 
E) periodontium.

Question 13

Which of the following descriptions best matches the term gastrin?

Accepted Answer

A) where pancreatic juice and bile enter duodenum 
B) carries absorbed sugars and amino acids 
C) stimulates pancreas to secrete bicarbonate-rich fluid 
D) causes gallbladder to contract 
E) stimulates gastric secretion 
A) where pancreatic juice and bile enter duodenum 
B) carries absorbed sugars and amino acids 
C) stimulates pancreas to secrete bicarbonate-rich fluid 
D) causes gallbladder to contract 
E) stimulates gastric secretion

Question 14

Figure 24-1 The Stomach (dissected)
Use Figure 24-1 to answer the following questions:
-Identify the structure labeled "3."

Accepted Answer

A) rugae 
B) circular muscle layer 
C) oblique muscle layer 
D) longitudinal muscle layer 
E) submucosa 
A) rugae 
B) circular muscle layer 
C) oblique muscle layer 
D) longitudinal muscle layer 
E) submucosa

Question 15

A surgical procedure to promote rapid weight loss is removal of most of the

Accepted Answer

A) pancreas. 
B) liver. 
C) duodenum. 
D) jejunum. 
E) ileum. 
A) pancreas. 
B) liver. 
C) duodenum. 
D) jejunum. 
E) ileum.

Question 16

What role do hormones play in hunger and satiety?

Accepted Answer

Levels of ghrelin,a hormone produced by

Question 17

The pouchlike structure that joins the ileum at the ileocecal valve is the

Accepted Answer

A) appendix. 
B) sigmoid colon. 
C) rectum. 
D) haustra. 
E) cecum. 
A) appendix. 
B) sigmoid colon. 
C) rectum. 
D) haustra. 
E) cecum.

Question 18

The lamina propria and mucous epithelium are components of the

Accepted Answer

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

Question 19

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following questions:
-What type of epithelium covers the structure labeled "6"?

Accepted Answer

A) simple squamous 
B) stratified squamous 
C) simple cuboidal 
D) simple columnar 
E) pseudostratified ciliated columnar 
A) simple squamous 
B) stratified squamous 
C) simple cuboidal 
D) simple columnar 
E) pseudostratified ciliated columnar

Question 20

The absorption of some sugars in the small intestine involves

Accepted Answer

A) osmosis. 
B) diffusion. 
C) cotransport. 
D) phagocytosis. 
E) pinocytosis. 
A) osmosis. 
B) diffusion. 
C) cotransport. 
D) phagocytosis. 
E) pinocytosis.

Exam 24: The Digestive System

The functions of the oral cavity include all of the following except

Which of the following is false concerning the process known as cotransport?

Sucrose is hydrolyzed by sucrase into glucose and

The gastroileal reflex

During the cephalic phase of gastric secretion,

The essential functions of the liver include

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

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

G cells of the stomach secrete

At the hepatic flexure,the colon becomes the

The ________ supports all but 25 cm of the small intestine and provides stability and limited movement.

The crown of a tooth is covered by

Which of the following descriptions best matches the term gastrin?

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: -Identify the structure labeled "3."

A surgical procedure to promote rapid weight loss is removal of most of the

What role do hormones play in hunger and satiety?

The pouchlike structure that joins the ileum at the ileocecal valve is the

The lamina propria and mucous epithelium are components of the

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: -What type of epithelium covers the structure labeled "6"?

The absorption of some sugars in the small intestine involves

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

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

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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