Final answer:
The artificial opening in the abdomen of a resident with an ostomy is called a stoma. It is created by bringing a portion of the small intestine or colon to the surface of the abdomen, and waste material exits through this opening.
Step-by-step explanation:
The artificial opening in the abdomen of a resident with an ostomy is called a stoma. A stoma is created by bringing a portion of the small intestine or colon to the surface of the abdomen, allowing waste material to exit the body. This opening is then covered by a bag-like adhesive appliance to collect the waste.