Final answer:
RVUs play an important role in healthcare by determining fee schedules for medical procedures based on practice costs, physician work, and malpractice insurance.
Step-by-step explanation:
The correct answer is option 4) Relative Value Unit (RVU). RVUs are used in healthcare to determine fee schedules for medical procedures. RVUs are based on three components: practice costs, physician work, and malpractice insurance. These factors help determine the value and reimbursement amount for each procedure code. RVUs are important because they provide a standardized way to assess the complexity and time required for different medical procedures, which in turn affects how much healthcare providers get paid for their services.