What does the QRS complex represent?
a. Atrial depolarization
b. Ventricular contraction
c. Ventricular repolarization
d. Ventricular depolarization
D
When the ventricles are stimulated, a QRS complex is recorded on the ECG. Thus, the QRS complex represents ventricular depolarization.
You might also like to view...
During the nurse's initial assessment of a school-age child, the child reports a pain level of 6 out of 10. The child is lying quietly in bed watching television. The nurse should:
1. Reassess the child in 15 minutes to see if the pain rating has changed. 2. Administer the prescribed analgesic. 3. Do nothing, since the child appears to be resting. 4. Ask the child's parents if they think the child is hurting.
Pain in the left arm secondary to coronary insufficiency is an example of:
a. acute pain. b. chronic pain. c. referred pain. d. subacute pain.
The extrusion of the bladder to the outside of the body through a developmental defect in the abdominal wall is known as bladder _________
Fill in the blank(s) with correct word
When assessing a client with arterial insufficiency, the nurse would expect
a. bounding arterial pulses. b. cool, pale skin. c. muscular atrophy. d. warm, erythematous legs.