Question 1

The fusion of the hepatic duct and the cystic duct forms the

Accepted Answer

A) hepatic portal vein. 
B) porta hepatis. 
C) common bile duct. 
D) common pancreatic duct. 
E) bile canaliculus. 
A) hepatic portal vein. 
B) porta hepatis. 
C) common bile duct. 
D) common pancreatic duct. 
E) bile canaliculus. C

Question 2

Movements unique to the large intestine are ________ movements.

Accepted Answer

A) peristaltic 
B) segmentation 
C) mass 
D) pendular 
E) writhing 
A) peristaltic 
B) segmentation 
C) mass 
D) pendular 
E) writhing C

Question 3

Figure 21-1
-The ________ mechanically digests ingested food.

Accepted Answer

A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus 
A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus D

Question 4

The ________ is composed of smooth muscle fibers and is not under voluntary control.

Accepted Answer

A) rectum 
B) sigmoid flexure 
C) anal canal 
D) internal anal sphincter 
E) external anal sphincter 
A) rectum 
B) sigmoid flexure 
C) anal canal 
D) internal anal sphincter 
E) external anal sphincter

Question 5

Which accessory organ of the digestive system is responsible for almost 200 known functions?

Accepted Answer

A) salivary glands 
B) gallbladder 
C) liver 
D) pancreas 
E) appendix 
A) salivary glands 
B) gallbladder 
C) liver 
D) pancreas 
E) appendix

Question 6

Name the structure that forms the roof of the mouth.

Accepted Answer

A) palatoglossal arch 
B) lingual tonsils 
C) pharyngeal tonsil 
D) hard palate 
E) uvula 
A) palatoglossal arch 
B) lingual tonsils 
C) pharyngeal tonsil 
D) hard palate 
E) uvula

Question 7

The prominent ridges in the lining of the empty stomach are called

Accepted Answer

A) cardia. 
B) papillae. 
C) rugae. 
D) plicae. 
E) villi. 
A) cardia. 
B) papillae. 
C) rugae. 
D) plicae. 
E) villi.

Question 8

A disease that attacks and disables the myenteric plexus would

Accepted Answer

A) increase intestinal motility. 
B) decrease intestinal motility. 
C) increase gastric secretion. 
D) decrease gastric secretion. 
E) interfere with both intestinal motility and gastric secretion. 
A) increase intestinal motility. 
B) decrease intestinal motility. 
C) increase gastric secretion. 
D) decrease gastric secretion. 
E) interfere with both intestinal motility and gastric secretion.

Question 9

Describe the major event in each of the three phases of swallowing.

Accepted Answer

During the buccal phase,food is formed i

Question 10

Parietal cells and their secretions are not involved in

Accepted Answer

A) the absorption of vitamin B12. 
B) erythropoiesis. 
C) the release of bicarbonate into the stomach. 
D) activation of pepsinogen to pepsin. 
E) the release of bicarbonate into the blood. 
A) the absorption of vitamin B12. 
B) erythropoiesis. 
C) the release of bicarbonate into the stomach. 
D) activation of pepsinogen to pepsin. 
E) the release of bicarbonate into the blood.

Question 11

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 12

A structure that helps prevent food from entering the pharynx prematurely is the

Accepted Answer

A) uvula. 
B) pharyngeal arch. 
C) palatoglossal arch. 
D) palatopharyngeal arch. 
E) epiglottis. 
A) uvula. 
B) pharyngeal arch. 
C) palatoglossal arch. 
D) palatopharyngeal arch. 
E) epiglottis.

Question 13

The region of the stomach that empties into the duodenum is the

Accepted Answer

A) antrum. 
B) fundus. 
C) body. 
D) cardia. 
E) pylorus. 
A) antrum. 
B) fundus. 
C) body. 
D) cardia. 
E) pylorus.

Question 14

Name the three main parts of a typical tooth.

Accepted Answer

A) bulb,shaft,and root 
B) labia,body,and root 
C) canal,cavity,and socket 
D) papilla,cortex,and medulla 
E) crown,neck,and root 
A) bulb,shaft,and root 
B) labia,body,and root 
C) canal,cavity,and socket 
D) papilla,cortex,and medulla 
E) crown,neck,and root

Question 15

Which organ is responsible for dehydration and compaction of indigestible materials?

Accepted Answer

A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus 
A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus

Question 16

Regions of the stomach include all of the following except

Accepted Answer

A) cardia. 
B) body. 
C) pylorus. 
D) ileum. 
E) fundus. 
A) cardia. 
B) body. 
C) pylorus. 
D) ileum. 
E) fundus.

Question 17

Name the lobes of the liver.

Accepted Answer

A) superior,inferior,anterior,and posterior 
B) superior,inferior,medial,and lateral 
C) superior,inferior,right,and left 
D) anterior,posterior,caudate,and quadrate 
E) right,left,caudate,and quadrate 
A) superior,inferior,anterior,and posterior 
B) superior,inferior,medial,and lateral 
C) superior,inferior,right,and left 
D) anterior,posterior,caudate,and quadrate 
E) right,left,caudate,and quadrate

Question 18

Figure 22-2
-Identify the structures labeled "6."

Accepted Answer

A) circular folds 
B) villi 
C) microvilli 
D) lacteals 
E) serosa 
A) circular folds 
B) villi 
C) microvilli 
D) lacteals 
E) serosa

Question 19

Describe the alkaline tide.

Accepted Answer

A) The alkaline tide is the activation of carbonic acid inside parietal cells. 
B) The alkaline tide is the release of intrinsic factor. 
C) The alkaline tide is the release of hormones that influence digestion. 
D) The alkaline tide is the sudden influx of bicarbonate ions into the bloodstream. 
E) The alkaline tide is the active transport of hydrogen ions into the gastric lumen. 
A) The alkaline tide is the activation of carbonic acid inside parietal cells. 
B) The alkaline tide is the release of intrinsic factor. 
C) The alkaline tide is the release of hormones that influence digestion. 
D) The alkaline tide is the sudden influx of bicarbonate ions into the bloodstream. 
E) The alkaline tide is the active transport of hydrogen ions into the gastric lumen.

Question 20

What is the importance of the mesenteries?

Accepted Answer

A) they increase the surface area available for absorption in the small intestine 
B) they produce enzymes to increase the digestion of proteins and fats in the small intestine 
C) they support and stabilize organs of the abdominal cavity and provide a passageway for blood vessels,nerves,and lymphatic vessels 
D) they consist of smooth muscle that contracts to push food along the digestive tract 
E) they produce hormones that regulate the activities of the digestive organs 
A) they increase the surface area available for absorption in the small intestine 
B) they produce enzymes to increase the digestion of proteins and fats in the small intestine 
C) they support and stabilize organs of the abdominal cavity and provide a passageway for blood vessels,nerves,and lymphatic vessels 
D) they consist of smooth muscle that contracts to push food along the digestive tract 
E) they produce hormones that regulate the activities of the digestive organs

Exam 22: The Digestive System

The fusion of the hepatic duct and the cystic duct forms the

Movements unique to the large intestine are ________ movements.

Figure 21-1 -The ________ mechanically digests ingested food.

The ________ is composed of smooth muscle fibers and is not under voluntary control.

Which accessory organ of the digestive system is responsible for almost 200 known functions?

Name the structure that forms the roof of the mouth.

The prominent ridges in the lining of the empty stomach are called

A disease that attacks and disables the myenteric plexus would

Describe the major event in each of the three phases of swallowing.

Parietal cells and their secretions are not involved in

The gastroileal reflex

A structure that helps prevent food from entering the pharynx prematurely is the

The region of the stomach that empties into the duodenum is the

Name the three main parts of a typical tooth.

Which organ is responsible for dehydration and compaction of indigestible materials?

Regions of the stomach include all of the following except

Name the lobes of the liver.

Figure 22-2 -Identify the structures labeled "6."

Describe the alkaline tide.

What is the importance of the mesenteries?

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

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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