A patient is diagnosed with a disorder affecting the P wave within the cardiac cycle. The nurse should plan care to address which cardiac action?
a. Atrial repolarization
b. Atrial depolarization
c. Ventricular repolarization
d. Ventricular depolarization
ANS: B
P waves represent atrial depolarization. A. C. D. The P wave does not represent atrial repolarization, ventricular repolarization, or ventricular depolarization.
You might also like to view...
Which client statement would lead the nurse to suspect that the developmental task of infancy was
not successfully completed by the client? a. "Andy and I are very warm and close friends.". b. "I'm afraid to allow anyone to really get to know me.". c. "I'm always absolutely right, so don't bother saying more.". d. "I'm so ashamed because I didn't do it correctly in the first place.".
The school health nurse is evaluating the home environments of several children as they relate to child safety. The nurse visits the home of each child and gathers the following data
Which of these activities places a child at the greatest risk for bodily harm? 1. The parents are in a methadone program. 2. The parents consume alcohol on a daily basis. 3. The child is permitted to take target practice with a revolver unsupervised. 4. The child is a latchkey child.
Following a motor-vehicle accident, a patient arrives in the emergency department with massive right lower-leg swelling. Which action will the nurse take first?
a. Elevate the leg on pillows. b. Apply a compression bandage. c. Place ice packs on the lower leg. d. Check leg pulses and sensation.
Which patient statement indicates a need for further discharge teaching that the vocational nurse should address?
a. "I have no idea of how this drug will af-fect me." b. "Do you know if my physician is coming back today?" c. "Will my insurance pay for my stay?" d. "Am I going to have to go to a nursing home?"