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[1] What is the primary function of a pacemaker in the heart?

a) To pump blood throughout the body

b) To regulate the heart rate

c) To prevent blood clots

d) To increase blood pressure

[2] Which type of cells in the heart are responsible for generating electrical impulses that control the heart rate?

a) Myocardial cells

b) Endothelial cells

c) Sinoatrial (SA) nodes

d) Atrioventricular (AV) nodes

[3] What is the normal heart rate for an adult at rest?

a) 60-100 beats per minute

b) 100-120 beats per minute

c) 40-60 beats per minute

d) 140-160 beats per minute

[4] What is the term used to describe a heart rate that is too slow?

a) Tachycardia

b) Bradycardia

c) Arrhythmia

d) Ventricular fibrillation

[5] What is the most common type of pacemaker implantation procedure?

a) Transvenous

b) Transcutaneous

c) Transesophageal

d) Transarterial

[6] What is the primary function of the atrioventricular (AV) node in the heart?

a) To generate electrical impulses

b) To relay electrical impulses from the atria to the ventricles

c) To contract the atria

d) To contract the ventricles

[7] What is the term used to describe a pacemaker that can sense the heart's own electrical activity and adjust its pacing accordingly?

a) Demand pacemaker

b) Rate responsive pacemaker

c) Single chamber pacemaker

d) Dual chamber pacemaker

[8] What is the term used to describe a pacemaker that is able to pace both the atria and the ventricles?

a) Dual chamber pacemaker

b) Single chamber pacemaker

c) Biventricular pacemaker

d) Univentricular pacemaker

[9] What is the primary complication associated with pacemaker implantation?

a) Infection

b) Blood clots

c) Allergic reaction to the device

d) Lead dislodgment

[10] What is the life expectancy of a pacemaker battery?

a) 5-7 years

b) 10-12 years

c) 2-3 years

d) 15-20 years

Answers:

1.     b) To regulate the heart rate
2.     c) Sinoatrial (SA) nodes
3.     a) 60-100 beats per minute
4.     b) Bradycardia
5.     a) Transvenous
6.     b) To relay electrical impulses from the atria to the ventricles
7.     b) Rate responsive pacemaker
8.     a) Dual chamber pacemaker
9.     a) Infection
10.     b) 10-12 years