When should CPR be used? {Ans: used when a person is in cardiac arrest to keep oxygenated blood moving to the brain and organs until medical help arrives.}A person is responsive and showing signs and symptoms of a life-threatening condition but does not consent to care. What should your do? {Ans: Do not give care but instead call 9-1-1 or the designated emergency number.}In which situation should you call 9-1-1 or the designated emergency number? a) the person is having persistent check pain b) the person is having trouble breathing. c) the person is unresponsive. d) all of the above {Ans: d) all of the above}You are giving first aid to a person with a muscle, bone, or joint injury. EMS has been called. What should you do until they arrive? {Ans: apply cold if the person can tolerate it, and watch the person for sings and symptoms of shock.}How should you postion an infant to give back blows? {Ans: Face-down, with the infant's head lower than his or her chest.}You are conducting a head-to-toe check on a responsive person who is complaining of a leg injury. What should you do first? {Ans: Get