A soccer player tears the synovial membrane near his knee. How will this affect the membrane's ability to do its job?

A. There will be more friction when the bones in the joint try to move.

B. The space between the bones will solidify.

C. The tissue that connects bone to bone will no longer be protected.

D. The knee will fill with blood and become unmovable.

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?