which is the definition of a communicable disease?

a.
a disease that can be spread to a person from another person, an animal, or an object.

b.
any condition that interferes with the proper functioning of the body or mind.

c.
a condition that occurs when pathogens enter the body, multiply, and damage body cells.

d.
none of the above.

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?