What is a class 4 hazardous material per the U.S. Department of Transportation?

Items included in the Bloodborne Pathogens Standard are

1 . Train all employees in a timely manner 2 . Provide employees with everything to meet standard regulations 3 . Provide all PPEs 4 . Pay for the hepatitis B vaccination series 5 . Establish standards for disposing of hazardous waste a. 1, 2, 3, 4, 5 b. 1, 2, 3, 5 c. 1, 2, 3, 4 d. 1, 3, 5

List at least three ways that health care professionals can help meet the challenges facing today's health care system