Stand up and hold a book or other object in your hand. flex your bicep muscle and lift up the lower part of the arm that is holding the object. next, pretend you are kicking a ball by making a kicking motion with your leg. finally, sit on the edge of your chair and bring both legs up and hold them parallel to the floor and then bend them back down again.
what type of simple machine is demonstrated by each of these activities?

it is only one. the lever. i was really confused when it broke it down in class systems.

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?