Question 1

The enzyme amylase digests

Accepted Answer

A)  peptides. 
B)  polysaccharides. 
C)  disaccharides. 
D)  triglycerides. 
E)  nucleotides. 
A)  peptides. 
B)  polysaccharides. 
C)  disaccharides. 
D)  triglycerides. 
E)  nucleotides.

Question 2

To which region of the stomach does the esophagus connect?

Accepted Answer

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

Question 3

Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the

Accepted Answer

A)  mucosa. 
B)  submucosa. 
C)  muscularis mucosa. 
D)  myenteric plexus. 
E)  submucosal neural plexus. 
A)  mucosa. 
B)  submucosa. 
C)  muscularis mucosa. 
D)  myenteric plexus. 
E)  submucosal neural plexus.

Question 4

There are normally a total of ________ deciduous teeth.

Accepted Answer

A)  18 
B)  20 
C)  25 
D)  28 
E)  32 
A)  18 
B)  20 
C)  25 
D)  28 
E)  32

Question 5

Approximately the last 15 cm of the digestive tract is the

Accepted Answer

A)  anus. 
B)  anal canal. 
C)  rectum. 
D)  sigmoid colon. 
E)  rectal column. 
A)  anus. 
B)  anal canal. 
C)  rectum. 
D)  sigmoid colon. 
E)  rectal column.

Question 6

In response to the hormone secretin, the pancreas secretes a fluid

Accepted Answer

A)  rich in enzymes. 
B)  rich in bicarbonate ion. 
C)  rich in bile. 
D)  rich in mucus. 
E)  that contains only amylase. 
A)  rich in enzymes. 
B)  rich in bicarbonate ion. 
C)  rich in bile. 
D)  rich in mucus. 
E)  that contains only amylase.

Question 7

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 8

What role do hormones play in hunger and satiety?

Accepted Answer

Levels of ghrelin, a hormone produced by

Question 9

________ are arranged within a lobule of the liver into a series of irregular plates converging towarda central vein.

Accepted Answer

A)  Stellate macrophages 
B)  Hepatocytes 
C)  Bile canaliculi 
D)  Portal areas 
E)  Hepatic ducts 
A)  Stellate macrophages 
B)  Hepatocytes 
C)  Bile canaliculi 
D)  Portal areas 
E)  Hepatic ducts

Question 10

In most cases, the mumps is a viral infection of the ________ glands.

Accepted Answer

A)  mandibular 
B)  sublingual 
C)  parotid 
D)  submandibular 
E)  lingual 
A)  mandibular 
B)  sublingual 
C)  parotid 
D)  submandibular 
E)  lingual

Question 11

Figure 24-1 The Stomach (dissected)
  
Use Figure 24-1 to answer the following questions:
-Identify the stomach region labeled "7."

Accepted Answer

A)  esophagus 
B)  cardia 
C)  lesser curvature 
D)  greater curvature 
E)  pyloric part 
A)  esophagus 
B)  cardia 
C)  lesser curvature 
D)  greater curvature 
E)  pyloric part

Question 12

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 13

Leon has gallstones. His doctor puts him on a diet low in fat. Why?

Accepted Answer

The gallbladder functions to concentrate

Question 14

Waves of muscular contractions that propel the contents of the digestive tract are called

Accepted Answer

A)  segmentation. 
B)  pendular movements. 
C)  peristalsis. 
D)  churning movements. 
E)  mastication. 
A)  segmentation. 
B)  pendular movements. 
C)  peristalsis. 
D)  churning movements. 
E)  mastication.

Question 15

The layer of loose connective tissue that directly supports the digestive epithelium is the

Accepted Answer

A)  lamina propria. 
B)  muscularis mucosae. 
C)  submucosa. 
D)  submucosal neural plexus. 
E)  myenteric plexus. 
A)  lamina propria. 
B)  muscularis mucosae. 
C)  submucosa. 
D)  submucosal neural plexus. 
E)  myenteric plexus.

Question 16

The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-rich fluid is

Accepted Answer

A)  enterocrinin. 
B)  secretin. 
C)  cholecystokinin. 
D)  GIP. 
E)  gastrin. 
A)  enterocrinin. 
B)  secretin. 
C)  cholecystokinin. 
D)  GIP. 
E)  gastrin.

Question 17

A drug that blocks the action of carbonic anhydrase in parietal cells would result in

Accepted Answer

A)  a lower pH during gastric digestion. 
B)  a higher pH during gastric digestion. 
C)  decreased production of pepsinogen by chief cells. 
D)  increased protein digestion in the stomach. 
E)  decreased gastrin production. 
A)  a lower pH during gastric digestion. 
B)  a higher pH during gastric digestion. 
C)  decreased production of pepsinogen by chief cells. 
D)  increased protein digestion in the stomach. 
E)  decreased gastrin production.

Question 18

The essential functions of the liver include all of the following except

Accepted Answer

A)  metabolic regulation. 
B)  hematological regulation. 
C)  bile production. 
D)  albumin production for blood osmotic pressure. 
E)  hormonal regulation. 
A)  metabolic regulation. 
B)  hematological regulation. 
C)  bile production. 
D)  albumin production for blood osmotic pressure. 
E)  hormonal regulation.

Question 19

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.

Question 20

Peyer's patches are characteristic of the

Accepted Answer

A)  stomach. 
B)  duodenum. 
C)  jejunum. 
D)  ileum. 
E)  colon. 
A)  stomach. 
B)  duodenum. 
C)  jejunum. 
D)  ileum. 
E)  colon.

Exam 24: The Digestive System

The enzyme amylase digests

To which region of the stomach does the esophagus connect?

Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the

There are normally a total of ________ deciduous teeth.

Approximately the last 15 cm of the digestive tract is the

In response to the hormone secretin, the pancreas secretes a fluid

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

What role do hormones play in hunger and satiety?

________ are arranged within a lobule of the liver into a series of irregular plates converging towarda central vein.

In most cases, the mumps is a viral infection of the ________ glands.

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: -Identify the stomach region labeled "7."

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

Leon has gallstones. His doctor puts him on a diet low in fat. Why?

Waves of muscular contractions that propel the contents of the digestive tract are called

The layer of loose connective tissue that directly supports the digestive epithelium is the

The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-rich fluid is

A drug that blocks the action of carbonic anhydrase in parietal cells would result in

The essential functions of the liver include all of the following except

The absorption of some sugars in the small intestine involves

Peyer's patches are characteristic of 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

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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