Which is an example of how trace evidence can be used to solve a crime? a forensic scientist concludes that large hairs found on a murder victim were not those of a suspect, but rather those of a dachshund. a large clump of hair next to the victim is matched to a suspect. a blood pool that matches that of the suspect blood type. a forensic scientist concludes that tiny hairs found on a murder victim was the murder.

You are assessing an 86-year-old postoperative patient who has an unexpressive, stoic demeanor. when you enter the room, the patient is curled into the fetal position and your assessment reveals that his vital signs are elevated and he is diaphoretic. you ask the patient what his pain level is on a 0-to-10 scale that you explained to the patient prior to surgery. the patient indicates a pain level of “three or so.” you review your pain-management orders and find that all medications are ordered prn. how would you treat this patient's pain?