Question 1

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.

Question 2

Tom has hepatitis, an inflammation of the liver. Which of the following symptoms would you expect to observe in Tom?

Accepted Answer

A)  jaundice 
B)  elevated levels of blood glucose 
C)  impaired digestion of protein 
D)  blood in the feces 
E)  overproduction of blood plasma albumin 
A)  jaundice 
B)  elevated levels of blood glucose 
C)  impaired digestion of protein 
D)  blood in the feces 
E)  overproduction of blood plasma albumin

Question 3

Within the oral cavity, both mechanical and chemical ________ begin.

Accepted Answer

A)  mastication 
B)  deglutition 
C)  digestion 
D)  ingestion 
E)  secretions 
A)  mastication 
B)  deglutition 
C)  digestion 
D)  ingestion 
E)  secretions

Question 4

An intestinal hormone that stimulates gastric secretion is

Accepted Answer

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

Question 5

Haustra are

Accepted Answer

A)  expansible pouches of the colon. 
B)  strips of muscle in the colon. 
C)  glands in the large intestine that secrete mucus. 
D)  the source of colon hormones. 
E)  compact feces stored in the rectum. 
A)  expansible pouches of the colon. 
B)  strips of muscle in the colon. 
C)  glands in the large intestine that secrete mucus. 
D)  the source of colon hormones. 
E)  compact feces stored in the rectum.

Question 6

The part of the stomach that functions as a mixing chamber for food and secretions is the

Accepted Answer

A)  body. 
B)  antrum. 
C)  pyloric part. 
D)  cardia. 
E)  fundus. 
A)  body. 
B)  antrum. 
C)  pyloric part. 
D)  cardia. 
E)  fundus.

Question 7

Pancreatic juice enters the small intestine at the

Accepted Answer

A)  hepatic duct. 
B)  ileocecal valve. 
C)  duodenal papilla. 
D)  pyloric sphincter. 
E)  cystic duct. 
A)  hepatic duct. 
B)  ileocecal valve. 
C)  duodenal papilla. 
D)  pyloric sphincter. 
E)  cystic duct.

Question 8

The majority of nutrient absorption occurs in the

Accepted Answer

A)  large intestines. 
B)  cecum. 
C)  small intestines. 
D)  stomach. 
E)  colon. 
A)  large intestines. 
B)  cecum. 
C)  small intestines. 
D)  stomach. 
E)  colon.

Question 9

The dangling process that aids in keeping food out of the nasopharynx is known as the

Accepted Answer

A)  palatine tonsil. 
B)  pharyngeal tonsil. 
C)  soft palate. 
D)  tongue. 
E)  uvula. 
A)  palatine tonsil. 
B)  pharyngeal tonsil. 
C)  soft palate. 
D)  tongue. 
E)  uvula.

Question 10

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 11

The epithelium lining the oropharynx is

Accepted Answer

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

Question 12

The location of the palatine tonsil in the oral cavity is

Accepted Answer

A)  under the tongue on both sides. 
B)  inferior to the lingual frenulum. 
C)  posterior to the raphe. 
D)  between the palatoglossal and palatopharyngeal arches. 
E)  superior to the uvula. 
A)  under the tongue on both sides. 
B)  inferior to the lingual frenulum. 
C)  posterior to the raphe. 
D)  between the palatoglossal and palatopharyngeal arches. 
E)  superior to the uvula.

Question 13

Figure 24-1 The Stomach (dissected)
  
Use Figure 24-1 to answer the following questions:
-Identify the structure labeled "10."

Accepted Answer

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

Question 14

Which of the following descriptions best matches the term submucosal plexus?

Accepted Answer

A)  component of mucosa 
B)  sensory neural network 
C)  secretes a watery fluid 
D)  coordinates activity of muscularis externa 
E)  loose connective tissue layer containing blood vessels 
A)  component of mucosa 
B)  sensory neural network 
C)  secretes a watery fluid 
D)  coordinates activity of muscularis externa 
E)  loose connective tissue layer containing blood vessels

Question 15

The stomach secretes the hormone ghrelin which functions to

Accepted Answer

A)  inhibit hunger. 
B)  initiate secretion of gastric juice containing enzymes and acid. 
C)  regulate the digestion of lipids. 
D)  stimulate hunger. 
E)  stimulate secretion of mucus from submucosal glands. 
A)  inhibit hunger. 
B)  initiate secretion of gastric juice containing enzymes and acid. 
C)  regulate the digestion of lipids. 
D)  stimulate hunger. 
E)  stimulate secretion of mucus from submucosal glands.

Question 16

Muscles known as the pharyngeal constrictors function in

Accepted Answer

A)  mastication. 
B)  moving the tongue. 
C)  swallowing. 
D)  esophageal peristalsis. 
E)  opening the cardiac sphincter. 
A)  mastication. 
B)  moving the tongue. 
C)  swallowing. 
D)  esophageal peristalsis. 
E)  opening the cardiac sphincter.

Question 17

Figure 24-2 The Wall of the Small Intestine
  
Use Figure 24-2 to answer the following questions:
-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 18

Which of the following is not involved in the regulation of gastric activity?

Accepted Answer

A)  submucosal neural plexus 
B)  myenteric plexus 
C)  vagus nerve 
D)  CNS 
E)  hypoglossal nerve 
A)  submucosal neural plexus 
B)  myenteric plexus 
C)  vagus nerve 
D)  CNS 
E)  hypoglossal nerve

Question 19

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 20

Which of the following is not a lobe of the liver?

Accepted Answer

A)  left 
B)  right 
C)  quadrate 
D)  caudate 
E)  sigmoid 
A)  left 
B)  right 
C)  quadrate 
D)  caudate 
E)  sigmoid

Exam 24: The Digestive System

At the splenic flexure, the colon becomes the

Tom has hepatitis, an inflammation of the liver. Which of the following symptoms would you expect to observe in Tom?

Within the oral cavity, both mechanical and chemical ________ begin.

An intestinal hormone that stimulates gastric secretion is

Haustra are

The part of the stomach that functions as a mixing chamber for food and secretions is the

Pancreatic juice enters the small intestine at the

The majority of nutrient absorption occurs in the

The dangling process that aids in keeping food out of the nasopharynx is known as the

Which of the following descriptions best matches the term gastrin?

The epithelium lining the oropharynx is

The location of the palatine tonsil in the oral cavity is

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: -Identify the structure labeled "10."

Which of the following descriptions best matches the term submucosal plexus?

The stomach secretes the hormone ghrelin which functions to

Muscles known as the pharyngeal constrictors function in

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

Which of the following is not involved in the regulation of gastric activity?

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

Which of the following is not a lobe of the liver?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous 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, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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