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Test your veterinary knowledge with our monthly Brain Teaser!

Can you solve this puzzle?

December 29, 2020

By Phil Zeltzman, DVM, DACVS, CVJ, Fear Free Certified

Presentation

Bone lodged in the esophagus of a four-year-old boxer.

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Question 1: Which answer is correct?
	The esophagus readily separates into two layers.
	The esophagus heals very well, thanks to its close proximity to the heart.
	The esophagus heals poorly because of tangential vascularization.

Question 2: Which answer is wrong?
	Esophagitis can lead to esophageal stricture.
	Doxycycline can cause esophageal strictures in cats.
	Trazodone can cause esophageal strictures in dogs.

Question 3: Which layer of the esophagus is the holding layer?
	The serosa.
	The mucosa.
	The submucosa.