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Chapter Assessment Lesson 13.2
Learning Key Terms and Concepts
The alimentary canal is also called the _____.
The _____ breakdown of food reduces food into smaller pieces through chewing and stomach churning.
The process of muscles contracting to move food particles along the GI tract is called
A. absorption
B. peristalsis
C. muscularis externa
D. churning
Which of the following accurately lists the layers of the walls of the alimentary canal, starting from the innermost layer?
A. submucosa, mucosa, serosa, and muscularis externa
B. mucosa, submucosa, muscularis externa, and serosa
C. serosa, submucosa, mucosa, and muscularis externa
D. mucosa, serosa, submucosa, and muscularis externa
The mouth is also called the _____.
There are _____ pairs of salivary glands in the mouth.
A. three
B. five
C. seven
D. nine
The muscular tube that connects the pharynx to the stomach is the _____.
A. trachea
B. small intestine
C. esophagus
D. colon
True or False?
The folds in the wall of the stomach are called
rugae
.
A. True
B. False
The three segments of the small intestine, beginning with the segment closest to the stomach, are the _____.
A. ileum, jejunum, and cecum
B. duodenum, jejunum, and ileum
C. cecum, colon, and ileum
D. jejunum, ileum, and duodenum
Bile is made by the _____ and stored in the _____.
The purpose of bile is to digest _____.
The pancreas produces two hormones, insulin and _____, and secretes them into the bloodstream.
The four major segments of the large intestine, starting with the segment closest to the small intestine, are the _____.
A. cecum, rectum, colon, and anal canal
B. cecum, anal canal, rectum, and colon
C. anal canal, rectum, colon, and cecum
D. cecum, colon, rectum, and anal canal
Thinking Critically
Using what you have learned about propulsion and peristalsis in the GI tract, explain what reverse peristalsis is and what might cause it.
Recalling what you learned about the layers of the alimentary canal, why would it be important for a surgeon to know and understand these layers, particularly their order?
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