What are some of the potential barriers related to self-reporting of pain in the older adult?

What are some ways you as the nurse can utilize to determine pain in the older adult?
What are some of the potential barriers related to self-reporting of pain in the older adult?
What is the prevalence of pain in the older adult?
Describe and compare your findings for each of the following:
Numeric rating scale
Visual analog scale
McGill pain questionnaire
Pain in dementia patients