Final answer:
In health insurance, if a doctor charges $50 more than what the insurance covers, the patient usually pays a portion of this additional cost, depending on the insurance policy. The correct option in this case is that the insurance covers $50.
Step-by-step explanation:
In health insurance, if a doctor charges $50 more than what the insurance covers, the patient usually pays a portion of this additional cost, depending on the insurance policy. This additional cost is not fully covered by the insurance. For example, if the insurance covers 80% of the cost, the patient would be responsible for paying the remaining 20%, which in this case would be $10. So, option a is incorrect.
Therefore, the correct option would be:
b. Insurance Covers $50