Pre-Lecture Quizzes

Question 1

Catheter ablation

Answer 1

therapy is a treatment that destroys specific cells that are the cause or central conduction route of a tachyarrhythmia that did not respond to medications and is not suitable for antitachycardia pacing.

Question 2

T/F

A patient with atrial fibrillation is at high risk for thrombus formation.

Answer 2

True

Question 3

T/F

A patient with a permanent pacemaker should be instructed not to use a cellular phone.

Answer 3

False

Question 4

Patients with atrial fibrillation are at increased risk of heart failure, ___________ ischemia, and embolic events such as stroke.

Answer 4

myocardial

Question 5

T/F

The P wave represents atrial depolarization and atrial repolarization.

Answer 5

False

Question 6

The electrical stimulation of the cardiac muscle cells is called depolarization; the mechanical contraction is called _____________.

Answer 6

systole

Question 7

If the tachycardia is persistent and causing hemodynamic instability, synchronized ___________________ is the treatment of choice.

Answer 7

cardio version

Question 8

T/F

Ventricular tachycardia is considered an emergency situation because the patient is usually (but not always) unresponsive and pulseless.

Answer 8

True

Question 9

T/F

Atrial fibrillation is the most common sustained arrhythmia, affecting as many as 6.1 million Americans.

Answer 9

True

Question 10

Sinus ___________ occurs when the SA node creates an impulse at a rate less than 60 bpm in an adult.

Answer 10

bradycardia