The heart's electrical activity is most commonly examined through the use of a(n):

One of the best ways to reduce the intensity of persistent pain is to

a. Ignore it because it will ease eventually. b. Silently accept it because there is nothing that will change it. c. Acknowledge it and evaluate how the pain occurs. d. Sleep as much as possible to overcome it.

The respiratory therapist notes a developing hematoma after an arterial blood gas was drawn from the right radial artery. The immediate response is to

A. notify the charge nurse. B. apply a pressure dressing. C. apply pressure to the site. D. perform a modified Allen's test.