What is the difference between a sentinel event and an adverse event?

NUR3826 Ethical and Legal Aspect of Nursing Practice
Week 10 Discussion
Chapters 29-30
Please answer ONE of the following Discussion Questions. Please be certain to include the number of the DQ being answered and provide a well-developed and complete answer to receive credit. Also, please ensure to have read the assigned chapters for the current week.
DQ-1 What is the difference between a sentinel event and an adverse event?
DQ-2 List the role of a nurse while doing evidence collection?