Esophagus Function and Peristalsis Quiz

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What are the two types of peristaltic movements exhibited by the esophagus?

Primary and tertiary peristalsis

Primary and quaternary peristalsis

Secondary and tertiary peristalsis

Primary and secondary peristalsis (correct)

What is the primary function of the esophagus?

Digesting food

Absorbing nutrients

Conducting food from the pharynx to the stomach (correct)

Storing food

How long does it typically take for food to pass from the pharynx to the stomach during primary peristalsis?

30-40 seconds

15-20 seconds

8-10 seconds (correct)

2-4 seconds

What effect does gravity have on the movement of food in the esophagus?

Speeds up the movement Signup and view all the answers

What initiates secondary peristaltic waves in the esophagus?

Intrinsic neural circuits in the myenteric nervous system Signup and view all the answers

Which type of muscle is found in the pharyngeal wall and upper third of the esophagus?

Striated muscle Signup and view all the answers

What happens if the primary peristaltic wave fails to move all the food into the stomach?

Secondary peristaltic waves are initiated Signup and view all the answers

How do secondary peristaltic waves travel in the esophagus?

Through vagal afferent fibers Signup and view all the answers

What is the impact of food retention on secondary peristaltic waves?

It accelerates them. Signup and view all the answers

How are secondary peristaltic waves initiated?

By intrinsic neural circuits. Signup and view all the answers

Esophagus Function and Peristalsis Quiz

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Questions and Answers

What are the two types of peristaltic movements exhibited by the esophagus?

What is the primary function of the esophagus?

How long does it typically take for food to pass from the pharynx to the stomach during primary peristalsis?

What effect does gravity have on the movement of food in the esophagus?

What initiates secondary peristaltic waves in the esophagus?

Which type of muscle is found in the pharyngeal wall and upper third of the esophagus?

What happens if the primary peristaltic wave fails to move all the food into the stomach?

How do secondary peristaltic waves travel in the esophagus?

What is the impact of food retention on secondary peristaltic waves?

How are secondary peristaltic waves initiated?

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