analyze the major professional roles played by physicians and nurses as they apply to physicians’ conduct in the medical arena and to nurses in the role of adjuncts to physicians

question 1 :
In the discussion preparation, you were asked to analyze the major professional roles played by physicians and nurses as they apply to physicians’ conduct in the medical arena and to nurses in the role of adjuncts to physicians. You were also asked to evaluate the degree and quality of care that physicians, nurses, and medical technologists provide in their primary roles, including, but not limited to, patient safety and satisfaction as required in 21st-century U.S. hospitals. Provide your evaluation and analysis in the discussion.
question 2:
For this discussion:
Explain the importance of the correlation coefficient in a multiple regression model.
Support your reasoning with an example.