Which vessels collect the venous blood from the posterior portion of the heart?

A midsize car has been struck by a small delivery truck and sustained moderate damage to the front passenger area. The car is on its tires, and wood chocks have been placed under the undercarriage of the car. The air bags did not deploy. Which one of the following is the next step in this rescue?

A) Carefully deploy the air bags. B) Extricate the patient. C) Forcibly open the trunk. D) Release air from the tires.

If a TRICARE beneficiary receives services from a nonauthorized provider, the physician can bill:

only the usual, customary, and reasonable amount. only the authorized contracted amount. only the limiting charge. any amount for the services.