What are the stages of labor in the order in which they occur?

A 15-year-old male patient has a large laceration on the inside of his upper arm from falling through a glass window. He is sitting on the front steps, and his sister is applying direct pressure to the wound. Blood is leaking from the bandage and the patient is pale, sweaty, and anxious. You should first:

A) apply oxygen by nonrebreather mask, apply a pressure dressing, and then splint the extremity. B) have the patient lie flat, secure a tourniquet between the wound and the patient's armpit, and apply oxygen by nonrebreather mask. C) inspect the wound, apply a pressure dressing, apply oxygen by nonrebreather mask, and then have the patient lie down. D) have the patient lie flat, apply oxygen by nonrebreather mask, and then secure a tourniquet between his elbow and the wound.

An ultrasonic cleaner is preferred to hand scrubbing because it ___________

a. uses sound waves to reach all areas of the instruments b. uses a cavitation process c. is safer for the auxiliary d. all of the above