All the following are true EXCEPT:
a
the heart contains nerve fibers to conduct electrical impulses
electrical impulses are measured by an electrocardiogram
the atrioventricular node starts an electrical impulse
EKGs are useful in diagnosing abnormal rhythms

Opium, methamphetamine, and cocaine are in the united states.

Anurse is assessing a client who is receiving a peripheral iv infusion and notes infiltration the insertion site. which of the following actions should the nurse take? a. flush the iv catherer. b. elevate the extremity. c. apply pressure to the iv site. d. slow the infusion rate.

Anurse is providing teaching to a client who has a gastric ulcer and a new prescription for ranitidine. which of the following statements by the client indicates an understanding of the teaching? a. “i can take two aspirin to treat headaches.” b. “i should avoid dairy products when taking this medication.” c. “i can expect fine hand tremors when taking this medication.” d. “i should not take an antacid within 1 hour of taking this medication.”