Course

Anatomy & Physiology

Study Pack

Set 20 The Gastrointestinal System

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Question 1

(Multiple Choice)

Free
Which of the following correctly lists the three portions of the mucosa?

A) muscularis mucosae, mucous membrane, submucosa
B) adventitia, lamina propria, muscularis externa
C) mucous membrane, lamina propria, muscularis mucosae
D) serosa, muscularis mucosae, muscularis externa
E) adventitia, muscularis externa, mucous membrane

Answer

Question 2

(Multiple Choice)

Free
Gastric reflux occurs when material flows backwards through which of the following structures?

A) lower esophageal sphincter
B) pyloric sphincter
C) glottis
D) epiglottis
E) upper esophageal sphincter

Answer

Question 3

(Multiple Choice)

Free
Where do slow -wave potentials occur?

A) submucosal plexus
B) myenteric plexus
C) muscularis mucosae
D) inner circular muscle layer of the muscularis externa
E) outer longitudinal muscle layer of the muscularis externa

Answer