Question 1

Which of the following best describes the duodenum,jejunum,and ileum?

Accepted Answer

A) Colon 
B) Biliary tree 
C) Hepatic portal circulation 
D) Small intestine 
A) Colon 
B) Biliary tree 
C) Hepatic portal circulation 
D) Small intestine

Question 2

The pancreas

Accepted Answer

A) secretes the most potent digestive enzymes. 
B) responds to both CCK and secretin. 
C) is only important because of its exocrine function. 
D) A and B are both true. 
A) secretes the most potent digestive enzymes. 
B) responds to both CCK and secretin. 
C) is only important because of its exocrine function. 
D) A and B are both true.

Question 3

The canaliculi,hepatic duct,and cystic duct

Accepted Answer

A) carry bile. 
B) are biliary tree structures. 
C) are part of the hepatic portal circulation. 
D) Two of the above are true. 
A) carry bile. 
B) are biliary tree structures. 
C) are part of the hepatic portal circulation. 
D) Two of the above are true.

Question 4

The stomach mixes and mashes a bolus of food that is called

Accepted Answer

A) feces. 
B) flatus. 
C) chyle. 
D) chyme. 
A) feces. 
B) flatus. 
C) chyle. 
D) chyme.

Question 5

This organ synthesizes clotting factors,stores vitamins,detoxifies drugs,and helps regulate blood glucose levels.

Accepted Answer

A) Pancreas 
B) Liver 
C) Stomach 
D) Appendix 
A) Pancreas 
B) Liver 
C) Stomach 
D) Appendix

Question 6

This structure is located between the lower esophageal sphincter and pyloric sphincter.

Accepted Answer

A) Stomach 
B) Duodenum 
C) Pancreas 
D) Esophagus 
A) Stomach 
B) Duodenum 
C) Pancreas 
D) Esophagus

Question 7

What is the most important nerve of the digestive tract?

Accepted Answer

A) Phrenic 
B) Sciatic 
C) Vagus 
D) Olfactory 
A) Phrenic 
B) Sciatic 
C) Vagus 
D) Olfactory

Question 8

The appendix

Accepted Answer

A) is located in the right upper quadrant. 
B) can rupture and cause peritonitis. 
C) is attached to the sigmoid colon. 
D) is located in the dorsal cavity. 
A) is located in the right upper quadrant. 
B) can rupture and cause peritonitis. 
C) is attached to the sigmoid colon. 
D) is located in the dorsal cavity.

Question 9

Which of the following form(s) the large intestine?

Accepted Answer

A) Duodenum,ileum,and jejunum 
B) Colon 
C) Fundus,body,and pylorus 
D) Sphincter of Oddi and ampulla of Vater 
A) Duodenum,ileum,and jejunum 
B) Colon 
C) Fundus,body,and pylorus 
D) Sphincter of Oddi and ampulla of Vater

Question 10

Which of the following is (are) true of cholecystokinin (CCK)?

Accepted Answer

A) Secreted by the walls of the duodenum in response to the presence of fat 
B) Stimulates the LES to relax 
C) Stimulates the pancreas to secrete insulin 
D) All of the above 
A) Secreted by the walls of the duodenum in response to the presence of fat 
B) Stimulates the LES to relax 
C) Stimulates the pancreas to secrete insulin 
D) All of the above

Question 11

The splenic flexure does not involve the

Accepted Answer

A) ascending colon. 
B) large intestine. 
C) descending colon. 
D) transverse colon. 
A) ascending colon. 
B) large intestine. 
C) descending colon. 
D) transverse colon.

Question 12

Which of the following best describes why food moves through the digestive system from the mouth toward the anus?

Accepted Answer

A) Emulsification 
B) Mastication 
C) Defecation 
D) Peristalsis 
A) Emulsification 
B) Mastication 
C) Defecation 
D) Peristalsis

Question 13

Starch digestion begins in the

Accepted Answer

A) stomach. 
B) small intestine. 
C) large intestine. 
D) mouth. 
A) stomach. 
B) small intestine. 
C) large intestine. 
D) mouth.

Question 14

The hepatic flexure does not involve the

Accepted Answer

A) ascending colon. 
B) esophagus. 
C) transverse colon. 
D) large intestine. 
A) ascending colon. 
B) esophagus. 
C) transverse colon. 
D) large intestine.

Question 15

Relaxation of the sphincter of Oddi allows

Accepted Answer

A) chyme to be delivered to the duodenum. 
B) bile to enter the duodenum from the common bile duct. 
C) bile to enter the gallbladder. 
D) blood to enter the stomach from the esophagus. 
A) chyme to be delivered to the duodenum. 
B) bile to enter the duodenum from the common bile duct. 
C) bile to enter the gallbladder. 
D) blood to enter the stomach from the esophagus.

Question 16

Food moves through the esophagus to the

Accepted Answer

A) cecum. 
B) duodenum. 
C) stomach. 
D) common bile duct. 
A) cecum. 
B) duodenum. 
C) stomach. 
D) common bile duct.

Question 17

Which of the following is a digestive enzyme?

Accepted Answer

A) Gastrin 
B) Trypsin 
C) Cholecystokinin 
D) Secretin 
A) Gastrin 
B) Trypsin 
C) Cholecystokinin 
D) Secretin

Question 18

The pyloric sphincter is located between the duodenum and what structure?

Accepted Answer

A) Stomach 
B) Common bile duct 
C) Jejunum 
D) Esophagus 
A) Stomach 
B) Common bile duct 
C) Jejunum 
D) Esophagus

Question 19

Chemical digestion of protein begins in the ______ and is completed in the _______.

Accepted Answer

A) stomach,small intestine 
B) small intestine,large intestine 
C) small intestine,liver 
D) stomach,large intestine 
A) stomach,small intestine 
B) small intestine,large intestine 
C) small intestine,liver 
D) stomach,large intestine

Question 20

Cellulose

Accepted Answer

A) is broken down into disaccharides. 
B) is the storage form of carbohydrates in animals. 
C) is dietary fiber that cannot be digested by humans. 
D) is an enzyme that breaks down carbohydrates. 
A) is broken down into disaccharides. 
B) is the storage form of carbohydrates in animals. 
C) is dietary fiber that cannot be digested by humans. 
D) is an enzyme that breaks down carbohydrates.

Exam 23: Digestive System

Which of the following best describes the duodenum,jejunum,and ileum?

The pancreas

The canaliculi,hepatic duct,and cystic duct

The stomach mixes and mashes a bolus of food that is called

This organ synthesizes clotting factors,stores vitamins,detoxifies drugs,and helps regulate blood glucose levels.

This structure is located between the lower esophageal sphincter and pyloric sphincter.

What is the most important nerve of the digestive tract?

The appendix

Which of the following form(s) the large intestine?

Which of the following is (are) true of cholecystokinin (CCK)?

The splenic flexure does not involve the

Which of the following best describes why food moves through the digestive system from the mouth toward the anus?

Starch digestion begins in the

The hepatic flexure does not involve the

Relaxation of the sphincter of Oddi allows

Food moves through the esophagus to the

Which of the following is a digestive enzyme?

The pyloric sphincter is located between the duodenum and what structure?

Chemical digestion of protein begins in the ______ and is completed in the _______.

Cellulose

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

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Water, Electrolyte, and Acidbase Balance

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Human Development and Heredity

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Chemical digestion of protein begins in the and is completed in the _.