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1. Which of these ingredients in saliva is responsible for activating salivary amylase?
 
 
 
 

Question 1 of 9

2. Which of these statements about the pharynx is true?
 
 
 
 

Question 2 of 9

3. Which structure is located where the esophagus penetrates the diaphragm?
 
 
 
 

Question 3 of 9

4. Which phase of deglutition involves contraction of the longitudinal muscle layer of the muscularis?
 
 
 
 

Question 4 of 9

5. Critical Thinking: The composition of saliva varies from gland to gland. Discuss how saliva produced by the parotid gland differs in action from saliva produced by the sublingual gland.

Question 5 of 9

6. Critical Thinking: During a hockey game, the puck hits a player in the mouth, knocking out all eight of his most anterior teeth. Which teeth did the player lose and how does this loss affect food ingestion?

Question 6 of 9

7. Critical Thinking: What prevents swallowed food from entering the airways?

Question 7 of 9

8. Critical Thinking: Explain the mechanism responsible for gastroesophageal reflux.

Question 8 of 9

9. Critical Thinking: Describe the three processes involved in the esophageal phase of deglutition.

Question 9 of 9