ANSWERS
To determine whether there is a delay in impulse conduction through the atria, the
nurse will measure the length of the patient's
a. P wave.
b. PR interval.
c. QT interval.
d. QRS complex.✔✔a. P wave
A patient has a junctional escape rhythm on the monitor. The nurse will expect the
patient to have a heart rate of how many beats/minute?
a. 15 to 20
b. 20 to 40
c. 40 to 60
d. 60 to 100✔✔c. 40 to 60
Which information will the nurse include when teaching a patient who is scheduled to
have a permanent pacemaker inserted for treatment of chronic atrial fibrillation with
slow ventricular response?
a. The pacemaker prevents or minimizes ventricular irritability.
b. The pacemaker paces the atria at rates up to 500 impulses/minute.
c. The pacemaker discharges if ventricular fibrillation and cardiac arrest occur.
d. The pacemaker stimulates a heart beat if the patient's heart rate drops too
low.✔✔d. The pacemaker stimulates a heart beat if the patient's heart rate drops too
low.
Which action by a new nurse who is caring for a patient who has just had an
implantable cardioverter-defibrillator (ICD) inserted indicates a need for more
education about care of patients with ICDs?
a. The nurse assists the patient to do active range of motion exercises for all
extremities.
b. The nurse assists the patient to fill out the application for obtaining a Medic Alert
ID and bracelet.
c. The nurse gives atenolol (Tenormin) to the patient without consulting first with the
health care provider.
d. The nurse teaches the patient that sexual activity usually can be resumed once
the surgical incision is healed.✔✔a. The nurse assists the patient to do active range
of motion exercises for all extremities.
A patient has ST segment changes that indicate an acute inferior wall myocardial
infarction. Which lead will be best for monitoring the patient?
a. I