Question 1

The duodenum contains these structures whose products neutralize the acidic chyme.

Accepted Answer

A)   duodenal glands
B)   gastric glands
C)   intestinal glands
D)   Peyer's patches

Question 2

The most superficial layer of the esophagus is the serosa.

Accepted Answer

A) True 
 B)False

Question 3

The liver and pancreas form as part of the embryonic

Accepted Answer

A)   foregut.
B)   midgut.
C)   hindgut.
D)   the hindgut and midgut.

Question 4

Which of the following is not a characteristic of enteroendocrine cells?

Accepted Answer

A)   They are scattered throughout the lining epithelium of the stomach and intestines.
B)   They secrete hormones that help signal the events of digestion.
C)   They never secrete their product into the lumen of the digestive canal.
D)   They are scattered throughout the lining of the rectum.

Question 5

What is the function of the hepatopancreatic sphincter?

Accepted Answer

A)   It controls the entry of bile and pancreatic juices into the alimentary canal.
B)   As it contracts, it squeezes pancreatic secretions into the duodenum.
C)   It inhibits defecation in the upper alimentary canal while the anal sphincters do the same in the lower regions.
D)   It prevents the movement of bile into the gallbladder.

Question 6

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

Accepted Answer

pharyngeal...

Question 7

The mesentery that suspends the small intestine is the

Accepted Answer

A)   falciform ligament.
B)   lesser omentum.
C)   greater omentum.
D)   mesentery proper.

Question 8

The transverse colon bends inferiorly at the ________ to become the descending colon.

Accepted Answer

The answer of The transverse colon bends inferiorly at the...

Question 9

Disease of which structure is the most common cause of tooth loss in adults?

Accepted Answer

A)   periodontal ligament
B)   crown
C)   enamel
D)   dentin

Question 10

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

Accepted Answer

A)   hepatocytes.
B)   hepatic macrophages.
C)   the walling-off action of the greater omentum.
D)   megakaryocytes.

Question 11

Which of the following statements about the duodenum is false?

Accepted Answer

A)   It receives chyme from the stomach.
B)   It is the site of action of liver and pancreas secretions.
C)   It is shorter than either the ileum or jejunum.
D)   It is more movable than the ileum or jejunum, which are retroperitoneal.

Question 12

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

Accepted Answer

The intrinsic muscles are confined withi...

Question 13

The ________ region of the stomach is closest to the esophagus.

Accepted Answer

The answer of The ________ region of the stomach is...

Exam 23: The Digestive System

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

Correct Answer
verified
The intrinsic muscles are confined withi...
View Answer

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

Correct Answer
verified

What is the function of the hepatopancreatic sphincter?

Correct Answer
verified

The most superficial layer of the esophagus is the serosa.

Correct Answer
verified

Which of the following statements about the duodenum is false?

Correct Answer
verified

The liver and pancreas form as part of the embryonic

Correct Answer
verified

The duodenum contains these structures whose products neutralize the acidic chyme.

Correct Answer
verified

The mesentery that suspends the small intestine is the

Correct Answer
verified

The ________ region of the stomach is closest to the esophagus.

Correct Answer
verified

The transverse colon bends inferiorly at the ________ to become the descending colon.

Correct Answer
verified

Which of the following is not a characteristic of enteroendocrine cells?

Correct Answer
verified

Disease of which structure is the most common cause of tooth loss in adults?

Correct Answer
verified

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

Correct Answer
verified
pharyngeal...
View Answer

Exam 23: The Digestive System

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

Correct AnswerverifiedThe intrinsic muscles are confined withi...View AnswerShow Answer

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

Correct AnswerverifiedShow Answer

What is the function of the hepatopancreatic sphincter?

Correct AnswerverifiedShow Answer

The most superficial layer of the esophagus is the serosa.

Correct AnswerverifiedShow Answer

Which of the following statements about the duodenum is false?

Correct AnswerverifiedShow Answer

The liver and pancreas form as part of the embryonic

Correct AnswerverifiedShow Answer

The duodenum contains these structures whose products neutralize the acidic chyme.

Correct AnswerverifiedShow Answer

The mesentery that suspends the small intestine is the

Correct AnswerverifiedShow Answer

The ________ region of the stomach is closest to the esophagus.

Correct AnswerverifiedShow Answer

The transverse colon bends inferiorly at the ________ to become the descending colon.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of enteroendocrine cells?

Correct AnswerverifiedShow Answer

Disease of which structure is the most common cause of tooth loss in adults?

Correct AnswerverifiedShow Answer

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

Correct Answerverifiedpharyngeal...View AnswerShow Answer

Correct Answer
verified
The intrinsic muscles are confined withi...
View Answer

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
pharyngeal...
View Answer