Which of the following procedures helps in directing radiation for tumor masses?

The skin performs which of the following functions?

a. Regulation of temperature b. Prevention of blood loss c. Elimination of carbon dioxide d. Dissipation of internal cold

You and your partner are the first to arrive at a rollover vehicle crash. The vehicle apparently rolled several times and ended up on all four wheels on a slight incline. The driver is still in the vehicle, but does not appear to be entrapped. You should:

A) position step blocks at all four corners of the vehicle. B) place cribbing in the front and back of all four wheels. C) deflate all tires by removing the valve stems with pliers. D) stabilize the patient's head in a neutral, inline position.