Please discuss the follow question(s) as it pertains to the US Healthcare System. State your reasons for your opinion and where possible use support from your text or other readings.

Why should clinical performance be focused on outcomes? Why is it necessary to differentiate the concepts of quality, appropriateness, economy, and efficiency? Why is it important that medical decisions involve probabilities?
What is the contribution of a patient management protocol? When is compliance incorrect? How is compliance improved with protocols?
How do the answers to these questions differ for functional protocols?