Question 1

The roof of the oral cavity is formed by the

Accepted Answer

A)  vestibule. 
B)  hard and soft palate. 
C)  palatal arches. 
D)  upper labium. 
E)  pharynx. 
A)  vestibule. 
B)  hard and soft palate. 
C)  palatal arches. 
D)  upper labium. 
E)  pharynx.

Question 2

Which of the following statements regarding the muscularis externa of the esophagus is true?

Accepted Answer

A)  The upper third portion of the esophagus consists of smooth muscle, the middle third portion is a mixture of smooth and skeletal muscles, and the lower third consists of skeletal muscle. 
B)  The entire muscularis of the esophagus consists of skeletal muscle only. 
C)  The entire muscularis of the esophagus consists of smooth muscle only. 
D)  The upper third portion of the esophagus consists of smooth muscle, and the remaining portion is a mixture of skeletal and smooth muscles. 
E)  The upper third portion of the esophagus consists of skeletal muscle, the middle third portion is a mixture of skeletal and smooth muscles, and the lower third consists of smooth muscle. 
A)  The upper third portion of the esophagus consists of smooth muscle, the middle third portion is a mixture of smooth and skeletal muscles, and the lower third consists of skeletal muscle. 
B)  The entire muscularis of the esophagus consists of skeletal muscle only. 
C)  The entire muscularis of the esophagus consists of smooth muscle only. 
D)  The upper third portion of the esophagus consists of smooth muscle, and the remaining portion is a mixture of skeletal and smooth muscles. 
E)  The upper third portion of the esophagus consists of skeletal muscle, the middle third portion is a mixture of skeletal and smooth muscles, and the lower third consists of smooth muscle.

Question 3

Which function is lost in a patient who has had his gall bladder removed?

Accepted Answer

A)  synthesizing bile 
B)  emulsifying lipids 
C)  absorbing lipids 
D)  storing bile 
E)  forming chylomicrons 
A)  synthesizing bile 
B)  emulsifying lipids 
C)  absorbing lipids 
D)  storing bile 
E)  forming chylomicrons

Question 4

Which water-soluble vitamin cannot be absorbed by the intestinal mucosa unless it has been bound to intrinsic factor?

Accepted Answer

A)  vitamin B12 
B)  vitamin C 
C)  vitamin B6 
D)  vitamin D 
E)  vitamin K 
A)  vitamin B12 
B)  vitamin C 
C)  vitamin B6 
D)  vitamin D 
E)  vitamin K

Question 5

Gastrin causes

Accepted Answer

A)  inhibition of HCl secretion. 
B)  increases in the secretion of chief cells and parietal cells. 
C)  the conversion of pepsin into pepsinogen. 
D)  the upper esophageal sphincter to open. 
E)  the pyloric sphincter to alternately open and close. 
A)  inhibition of HCl secretion. 
B)  increases in the secretion of chief cells and parietal cells. 
C)  the conversion of pepsin into pepsinogen. 
D)  the upper esophageal sphincter to open. 
E)  the pyloric sphincter to alternately open and close.

Question 6

Figure 16-1 Structural Components of the Digestive Tract
Use Figure 16-1 to identify the labeled part.
-Label I represents which structure(s)?

Accepted Answer

A)  mucosal glands 
B)  muscularis mucosa 
C)  villi 
D)  mucous epithelium 
E)  lamina propria 
A)  mucosal glands 
B)  muscularis mucosa 
C)  villi 
D)  mucous epithelium 
E)  lamina propria

Question 7

Which gastrointestinal hormone is released when fats and glucose enter the small intestine?

Accepted Answer

A)  cholecystokinin 
B)  gastrin 
C)  secretin 
D)  pepsin 
E)  gastric inhibitory peptide 
A)  cholecystokinin 
B)  gastrin 
C)  secretin 
D)  pepsin 
E)  gastric inhibitory peptide

Question 8

Enzymes from the ________ do most of the digestive work in the small intestine.

Accepted Answer

A)  pancreas 
B)  liver 
C)  gallbladder 
D)  stomach 
E)  large intestine 
A)  pancreas 
B)  liver 
C)  gallbladder 
D)  stomach 
E)  large intestine

Question 9

Salivary amylase functions to digest

Accepted Answer

A)  proteins. 
B)  lipids. 
C)  cellulose. 
D)  nucleic acids. 
E)  carbohydrates. 
A)  proteins. 
B)  lipids. 
C)  cellulose. 
D)  nucleic acids. 
E)  carbohydrates.

Question 10

During the cephalic phase of gastric secretion,

Accepted Answer

A)  the stomach responds to distention and a decrease in pH. 
B)  the release of secretin inhibits parietal and chief cell action. 
C)  the parasympathetic division of the ANS is active. 
D)  the intestinal reflex inhibits gastric emptying. 
E)  local reflexes in the submucosal and myenteric plexuses activate. 
A)  the stomach responds to distention and a decrease in pH. 
B)  the release of secretin inhibits parietal and chief cell action. 
C)  the parasympathetic division of the ANS is active. 
D)  the intestinal reflex inhibits gastric emptying. 
E)  local reflexes in the submucosal and myenteric plexuses activate.

Question 11

The root of a tooth is anchored by the

Accepted Answer

A)  pulp. 
B)  periodontal ligament. 
C)  the root canal. 
D)  enamel. 
E)  dentin. 
A)  pulp. 
B)  periodontal ligament. 
C)  the root canal. 
D)  enamel. 
E)  dentin.

Question 12

The lamina propria is a component of the

Accepted Answer

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

Question 13

Which of the following is a protease produced by the pancreas?

Accepted Answer

A)  secretin 
B)  trypsin 
C)  amylase 
D)  nuclease 
E)  gastrin 
A)  secretin 
B)  trypsin 
C)  amylase 
D)  nuclease 
E)  gastrin

Question 14

The first set of teeth to appear are the ________ teeth.

Accepted Answer

A)  permanent 
B)  succession 
C)  secondary 
D)  impacted 
E)  deciduous 
A)  permanent 
B)  succession 
C)  secondary 
D)  impacted 
E)  deciduous

Question 15

Figure 16-1 Structural Components of the Digestive Tract
Use Figure 16-1 to identify the labeled part.
-Label D represents which structure?

Accepted Answer

A)  circular fold 
B)  submucosa 
C)  muscularis externa 
D)  serosa 
E)  mucosa 
A)  circular fold 
B)  submucosa 
C)  muscularis externa 
D)  serosa 
E)  mucosa

Question 16

The digestion of carbohydrates and lipids begins in the

Accepted Answer

A)  oral cavity. 
B)  esophagus. 
C)  stomach. 
D)  small intestine. 
E)  large intestine. 
A)  oral cavity. 
B)  esophagus. 
C)  stomach. 
D)  small intestine. 
E)  large intestine.

Question 17

Figure 16-1 Structural Components of the Digestive Tract
Use Figure 16-1 to identify the labeled part.
-Label S represents which structure(s)?

Accepted Answer

A)  myenteric plexus 
B)  artery and vein 
C)  lymphatic vessel 
D)  submucosal plexus 
E)  mucosal glands 
A)  myenteric plexus 
B)  artery and vein 
C)  lymphatic vessel 
D)  submucosal plexus 
E)  mucosal glands

Question 18

Figure 16-1 Structural Components of the Digestive Tract
Use Figure 16-1 to identify the labeled part.
-Label M represents which structure?

Accepted Answer

A)  muscularis mucosa 
B)  circular muscle layer 
C)  longitudinal muscle layer 
D)  submucosal gland 
E)  mucosal gland 
A)  muscularis mucosa 
B)  circular muscle layer 
C)  longitudinal muscle layer 
D)  submucosal gland 
E)  mucosal gland

Question 19

The portion of the small intestine that is closest to the stomach is the

Accepted Answer

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

Question 20

Major regions of the large intestine include the

Accepted Answer

A)  cecum, ileum, and duodenum. 
B)  duodenum, ileum, and jejunum. 
C)  cecum, colon, and duodenum. 
D)  ascending colon, descending colon, and ileum. 
E)  cecum, colon, and rectum. 
A)  cecum, ileum, and duodenum. 
B)  duodenum, ileum, and jejunum. 
C)  cecum, colon, and duodenum. 
D)  ascending colon, descending colon, and ileum. 
E)  cecum, colon, and rectum.

The roof of the oral cavity is formed by the

Which of the following statements regarding the muscularis externa of the esophagus is true?

Which function is lost in a patient who has had his gall bladder removed?

Which water-soluble vitamin cannot be absorbed by the intestinal mucosa unless it has been bound to intrinsic factor?

Gastrin causes

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label I represents which structure(s)?

Which gastrointestinal hormone is released when fats and glucose enter the small intestine?

Enzymes from the ________ do most of the digestive work in the small intestine.

Salivary amylase functions to digest

During the cephalic phase of gastric secretion,

The root of a tooth is anchored by the

The lamina propria is a component of the

Which of the following is a protease produced by the pancreas?

The first set of teeth to appear are the ________ teeth.

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label D represents which structure?

The digestion of carbohydrates and lipids begins in the

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label S represents which structure(s)?

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label M represents which structure?

The portion of the small intestine that is closest to the stomach is the

Major regions of the large intestine include the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Exam 16: The Digestive System

The roof of the oral cavity is formed by the

Which of the following statements regarding the muscularis externa of the esophagus is true?

Which function is lost in a patient who has had his gall bladder removed?

Which water-soluble vitamin cannot be absorbed by the intestinal mucosa unless it has been bound to intrinsic factor?

Gastrin causes

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label I represents which structure(s)?

Which gastrointestinal hormone is released when fats and glucose enter the small intestine?

Enzymes from the ________ do most of the digestive work in the small intestine.

Salivary amylase functions to digest

During the cephalic phase of gastric secretion,

The root of a tooth is anchored by the

The lamina propria is a component of the

Which of the following is a protease produced by the pancreas?

The first set of teeth to appear are the ________ teeth.

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label D represents which structure?

The digestion of carbohydrates and lipids begins in the

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label S represents which structure(s)?

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label M represents which structure?

The portion of the small intestine that is closest to the stomach is the

Major regions of the large intestine include the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters