The wall of the pharynx is formed by three muscle pairs: the superior, middle, and inferior pharyngeal _______________.
Fill in the blank with correct word.
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Question 2) The upper half of the esophagus contains smooth muscle and the lower half contains skeletal muscle.
Indicate whether this statement is true or false.
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Question 3) Describe the anatomy and physiology of swallowing. Specifically, explain the three phases of swallowing, and how they are controlled.
What will be an ideal response?
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Question 4) The pharyngeal phase of swallowing is a voluntary process that is controlled by the cerebral cortex.
Indicate whether this statement is true or false.
(
Question 5) The process of swallowing is also called _____________.
Fill in the blank with correct word.
(
Question 6) The transverse colon is part of the upper gastrointestinal tract.
Indicate whether this statement is true or false.
(
Question 7) The gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. Which tunic will be cut first?
A. Mucosa
B. Submucosa
C. Tunica muscularis
D. Serosa
E. Adventitia
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Question 8) What is the correct order for the layers of the GI tract wall, from innermost (next to lumen) to outermost?
A. Mucosa - submucosa - adventitia/serosa - muscularis
B. Muscularis - mucosa - adventitia/serosa - submucosa
C. Adventitia/serosa - mucosa - submucosa - muscularis
D. Mucosa - submucosa - muscularis - adventitia/serosa
E. Adventitia/serosa - muscularis - mucosa - submucosa
(
Question 9) For the majority of the GI tract, which layer(s) of the wall contain smooth muscle?
A. Muscularis only
B. Mucosa and adventitia
C. Serosa only
D. Mucosa and muscularis
E. Submucosa and muscularis
(
Question 10) Which peritoneal fold supports the large intestine?
A. Greater omentum
B. Lesser omentum
C. Falciform ligament
D. Mesocolon
E. Peritoneal ligament
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