Final answer:
The nurse should first call for help when a large part of the bowel is protruding through the abdomen during a dressing change for a client recovering from a hemicolectomy.
Step-by-step explanation:
When a nurse notes that a large part of the bowel is protruding through the abdomen during a dressing change for a client recovering from a hemicolectomy, the nurse should first call for help.
Calling for help is the most important action to ensure that the client receives immediate attention and appropriate care. This situation is an emergency that requires prompt intervention from a healthcare team.
By calling for help, the nurse can ensure that additional medical professionals are available to assist with stabilizing the client, providing necessary interventions, and preparing for potential surgical intervention to address the bowel protrusion.