A common cause of nosocomial infections is ________.

When preparing to obtain a 12-lead ECG, the "LL" and "RL" electrodes should be placed:

a. anywhere on the arms. b. on the lower abdomen. c. on the thighs or ankles. d. on either side of the chest.

A discharge that contains both serum and blood is known as:

A) serous. B) purulent. C) sanguineous. D) serosanguineous.