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

Question 2

What is the most important nerve of the digestive tract?

Accepted Answer

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

Question 3

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.

Question 4

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

Question 5

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.

Question 6

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

Question 7

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

Question 8

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

The hepatic flexure does not involve the

Accepted Answer

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

Question 12

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.

Question 13

The splenic flexure does not involve the

Accepted Answer

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

Question 14

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

Question 15

Which of the following is a digestive enzyme?

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

Food moves through the esophagus to the

Accepted Answer

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

Question 18

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.

Question 19

Starch digestion begins in the

Accepted Answer

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

Question 20

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.

Exam 23: Digestive System

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

Correct AnswerverifiedShow Answer

The splenic flexure does not involve the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Relaxation of the sphincter of Oddi allows

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the most important nerve of the digestive tract?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Food moves through the esophagus to the

Correct AnswerverifiedShow Answer

Which of the following is a digestive enzyme?

Correct AnswerverifiedShow Answer

Starch digestion begins in the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The appendix

Correct AnswerverifiedShow Answer

The pancreas

Correct AnswerverifiedShow Answer

The hepatic flexure does not involve the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Cellulose

Correct AnswerverifiedShow Answer

The canaliculi,hepatic duct,and cystic duct

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified