The paramedic must treat patients and their families with _______ and _______

Which one of the following emergency care measures for a patient with a possible bone fracture can be an effective means to reduce pain?

A) Administering oxygen B) Applying warm packs to the fracture site C) Splinting the fracture D) Gently massaging the injury site

Which of the following is true of the oxygen dissociation curve?

a. The normal partial pressure of oxygen (PO2) at which hemoglobin is 50% saturated is 20 mm Hg. b. A shift to the right or left in response to blood pH is called the Bohr effect. c. A shift to the left results in lower oxygen affinity. d. A shift to the right results in less effective delivery of oxygen to tissue.