Which two factors related to kinetic energy proportionately affect the damage a projectile will do?

During the scene size-up on a call for a patient with penetrating trauma due to a stab wound, which of the following should you do?

A) Collect anything that could be used as evidence. B) Check for weapons on or near the patient. C) Try to find out in which direction the assailant fled. D) Assume that the patient has no weapons if law enforcement is on the scene.

Which of the following agents may cause rash on the upper body that is sometimes called "Red-Man Syndrome"?

A) ciprofloxacin B) dapsone C) vancomycin D) clindamycin