Question 1

The mucosa of the esophagus contains an abrasion-resistant ________.

Accepted Answer

A)  inner circular and outer longitudinal smooth muscle layers 
B)  simple, branched tubular glands 
C)  nonkeratinized stratified squamous epithelium 
D)  pseudostratified ciliated columnar epithelium 
E)  connective tissue 
A)  inner circular and outer longitudinal smooth muscle layers 
B)  simple, branched tubular glands 
C)  nonkeratinized stratified squamous epithelium 
D)  pseudostratified ciliated columnar epithelium 
E)  connective tissue

Question 2

Structures that unite to form the common bile duct include:
(1)duodenal ampulla
(2)porta hepatis
(3)cystic duct
(4)common hepatic duct
(5)duodenal papilla

Accepted Answer

A)  1, 2 
B)  1, 2, 3 
C)  3, 4 
D)  1, 3, 5 
E)  2, 4 
A)  1, 2 
B)  1, 2, 3 
C)  3, 4 
D)  1, 3, 5 
E)  2, 4

Question 3

Circulating levels of carbohydrates, lipids, and amino acids are regulated by which digestive organ?

Accepted Answer

A)  pancreas 
B)  liver 
C)  gallbladder 
D)  parotid salivary gland 
E)  large intestine 
A)  pancreas 
B)  liver 
C)  gallbladder 
D)  parotid salivary gland 
E)  large intestine

Question 4

Goblet cells are more abundant in the mucosal epithelium of the large intestine than in the small intestine.

Accepted Answer

A) True 
 B)False

Question 5

Which mesenteric fold attaches the liver to the anterior body wall?

Accepted Answer

A)  coronary ligament 
B)  falciform ligament 
C)  mesentery proper 
D)  transverse mesocolon 
E)  hepatic ligament 
A)  coronary ligament 
B)  falciform ligament 
C)  mesentery proper 
D)  transverse mesocolon 
E)  hepatic ligament

Question 6

Figure 25.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label F.

Accepted Answer

A)  Adventitia 
B)  Mucosa 
C)  Muscular layer 
D)  Serosa 
E)  Submucosa 
A)  Adventitia 
B)  Mucosa 
C)  Muscular layer 
D)  Serosa 
E)  Submucosa

Question 7

How do aggregated lymphoid nodules protect the small intestine from infection?

Accepted Answer

Bacteria, especially E. coli, are normal

Question 8

Contraction of smooth muscle in the ________ alters the shape of the intestinal lumen and moves the epithelial pleats and folds.

Accepted Answer

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

Question 9

Stellate macrophages are phagocytes found in which structure(s) ?

Accepted Answer

A)  gallbladder 
B)  parotid salivary gland 
C)  sublingual salivary gland 
D)  liver 
E)  pancreas 
A)  gallbladder 
B)  parotid salivary gland 
C)  sublingual salivary gland 
D)  liver 
E)  pancreas

Question 10

The inner lining, or submucosa, of the digestive tract consists of a layer of loose connective tissue covered by an epithelium moistened by glandular secretions. The submucosal epithelium may be stratified or simple, depending on the location and the stresses involved.

Accepted Answer

A) True 
 B)False

Question 11

Figure 25.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label D.

Accepted Answer

A)  Circular muscle layer 
B)  Submucosa 
C)  Oblique muscle layer 
D)  Serosa 
E)  Longitudinal muscle layer 
A)  Circular muscle layer 
B)  Submucosa 
C)  Oblique muscle layer 
D)  Serosa 
E)  Longitudinal muscle layer

Question 12

Smooth muscle tone decreases with age. As a result, general motility decreases, and peristaltic contractions are weaker in the digestive system.

Accepted Answer

A) True 
 B)False

Question 13

Figure 25.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label Q.

Accepted Answer

A)  Body 
B)  Duodenum 
C)  Fundus 
D)  Pylorus 
E)  Cardia 
A)  Body 
B)  Duodenum 
C)  Fundus 
D)  Pylorus 
E)  Cardia

Question 14

Which fold of mesentery extends from the liver to the stomach and the first segment of the duodenum?

Accepted Answer

A)  coronary ligament 
B)  falciform ligament 
C)  mesentery proper 
D)  lesser omentum 
E)  hepatic ligament 
A)  coronary ligament 
B)  falciform ligament 
C)  mesentery proper 
D)  lesser omentum 
E)  hepatic ligament

Question 15

Figure 25.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label F.

Accepted Answer

A)  Body 
B)  Fundus 
C)  Greater curvature 
D)  Pyloric sphincter 
E)  Cardia 
A)  Body 
B)  Fundus 
C)  Greater curvature 
D)  Pyloric sphincter 
E)  Cardia

Question 16

Which statement regarding the histology of the large intestine is true?

Accepted Answer

A)  The wall of the large intestine is thicker than that of the small intestine. 
B)  There are fewer goblet cells in the large intestine compared to the small intestine. 
C)  There is no longitudinal muscle layer present. 
D)  Lymphoid nodules are not present. 
E)  The large intestine lacks villi. 
A)  The wall of the large intestine is thicker than that of the small intestine. 
B)  There are fewer goblet cells in the large intestine compared to the small intestine. 
C)  There is no longitudinal muscle layer present. 
D)  Lymphoid nodules are not present. 
E)  The large intestine lacks villi.

Question 17

The stomach mucosa contains numerous shallow depressions called ________.

Accepted Answer

A)  gastric cardia 
B)  gastric pits 
C)  gastric glands 
D)  intestinal glands 
E)  pyloric glands 
A)  gastric cardia 
B)  gastric pits 
C)  gastric glands 
D)  intestinal glands 
E)  pyloric glands

Question 18

Parietal cells secrete hydrochloric acid and ________.

Accepted Answer

A)  pepsin 
B)  pepsinogen 
C)  intrinsic factor 
D)  gastrin 
E)  mucus 
A)  pepsin 
B)  pepsinogen 
C)  intrinsic factor 
D)  gastrin 
E)  mucus

Question 19

Figure 25.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label C.

Accepted Answer

A)  Serosa 
B)  Mucosa 
C)  Longitudinal muscle layer 
D)  Circular muscle layer 
E)  Oblique muscle layer 
A)  Serosa 
B)  Mucosa 
C)  Longitudinal muscle layer 
D)  Circular muscle layer 
E)  Oblique muscle layer

Question 20

Which of the following terms describes the movement of organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the interstitial fluid of the digestive tract?

Accepted Answer

A)  ingestion 
B)  secretion 
C)  compaction 
D)  absorption 
E)  excretion 
A)  ingestion 
B)  secretion 
C)  compaction 
D)  absorption 
E)  excretion

Exam 25: The Digestive System

The mucosa of the esophagus contains an abrasion-resistant ________.

Structures that unite to form the common bile duct include: (1)duodenal ampulla (2)porta hepatis (3)cystic duct (4)common hepatic duct (5)duodenal papilla

Circulating levels of carbohydrates, lipids, and amino acids are regulated by which digestive organ?

Goblet cells are more abundant in the mucosal epithelium of the large intestine than in the small intestine.

Which mesenteric fold attaches the liver to the anterior body wall?

Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.

How do aggregated lymphoid nodules protect the small intestine from infection?

Contraction of smooth muscle in the ________ alters the shape of the intestinal lumen and moves the epithelial pleats and folds.

Stellate macrophages are phagocytes found in which structure(s) ?

The inner lining, or submucosa, of the digestive tract consists of a layer of loose connective tissue covered by an epithelium moistened by glandular secretions. The submucosal epithelium may be stratified or simple, depending on the location and the stresses involved.

Figure 25.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

Smooth muscle tone decreases with age. As a result, general motility decreases, and peristaltic contractions are weaker in the digestive system.

Figure 25.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label Q.

Which fold of mesentery extends from the liver to the stomach and the first segment of the duodenum?

Figure 25.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.

Which statement regarding the histology of the large intestine is true?

The stomach mucosa contains numerous shallow depressions called ________.

Parietal cells secrete hydrochloric acid and ________.

Figure 25.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

Which of the following terms describes the movement of organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the interstitial fluid of the digestive tract?

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Urinary System

The Reproductive System

Embryology and Human Development

Filters