Why is  it difficult to forecast health care delivery in the United States?

Question 5 If changes to scope-of-practice regulations could help to abate health care worker shortages, why are such changes not made?   Question 6 Is the growth in health care costs a real concern for the United States? Why or why not? Question 7 What mechanisms of accountability are most effective for nonprofit HCOs? Explain and elaborate in your response. Question 8 Why is  it difficult to forecast health care delivery in the United States? please answer each question with a minimum of 300 words. Each should be in apa format. Each question should have at least two references