​Peptic Ulcers Are Caused by Damage to the Wall of the Stomach

question 9

Multiple Choice

​Peptic ulcers are caused by damage to the wall of the stomach by the acids that help digest food. This can be caused by the failure of ____.

• A) ​tight junctions
• B) ​adhering junctions
• C) ​gap junctions
• D) ​plasmodesmata
• E) ​adhering and gap junctions

---

Definitions:

Federal Government

The national government of a federal country, with powers divided between the central government and constituent units, such as states or provinces.

Northern Business Interests

Economic activities and investments primarily based in the Northern United States, historically associated with industrialization and commerce.

Civil War

In the United States, this term commonly refers to the conflict fought from 1861 to 1865 between the Northern states (Union) and the Southern slave states that seceded and formed the Confederacy.

Slavery Question

The historical debate and conflict over the ethics, legality, and economics of slavery, especially prominent in the United States up to the Civil War.