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BIO 251 - Unit Exam 4. Questions with Answers. A+ Guide.



Question 1 of 22

4.0/ 4.0 Points

The stomach is protected from self-digestion by the ______________. When this breaks down,

_________ can form and be painful.



A. Muscularis mucosa; nodules



B. Mucosal barrier; ulcers



C. Duodenum; ulcers



D. Serosa; nodules



E. None of the above is correct

Feedback: Good work; your answer is correct!

Question 2 of 22

4.0/ 4.0 Points

The ___________ is the thin layer of t...
BIO 251 - Unit Exam 4. Questions with Answers. A+ Guide.
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BIO 251 - Unit Exam 4. Questions with Answers. A+ Guide.



Question 1 of 22

4.0/ 4.0 Points

The stomach is protected from self-digestion by the ______________. When this breaks down,

_________ can form and be painful.



A. Muscularis mucosa; nodules



B. Mucosal barrier; ulcers



C. Duodenum; ulcers



D. Serosa; nodules



E. None of the above is correct

Feedback: Good work; your answer is correct!

Question 2 of 22

4.0/ 4.0 Points

The ___________ is the thin layer of t...
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