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Arrhythmias Quiz

Total questions: 43

Worksheet time: 22mins

Name
Class
Date
1.

What is an arrhythmia?

a)

A normal variation in heart rate

b)

An alteration in normal heart rhythm

c)

A complete absence of heart activity

d)

A decrease in heart rate below 60 bpm

2.

Which of the following is NOT a type of arrhythmia?

a)

Sinus

b)

Atrial

c)

Junctional

d)

Myocardial

3.

Sinus arrhythmias originate from which part of the heart?

a)

AV node

b)

Atria

c)

SA node

d)

Ventricles

4.

What is the normal heart rate range for normal sinus rhythm (NSR)?

a)

40-60 bpm

b)

60-100 bpm

c)

100-150 bpm

d)

150-200 bpm

5.

Which of the following is NOT a sinus dysrhythmia?

a)

Sinus bradycardia

b)

Sinus tachycardia

c)

Atrial fibrillation

d)

Sinus arrest

6.

Sinus bradycardia is characterized by a heart rate:

a)

Less than 60 bpm

b)

60-100 bpm

c)

100-150 bpm

d)

>150 bpm

7.

Sinus arrest is defined as:

a)

The absence of three or more consecutive beats

b)

A regular rhythm with a slow heart rate

c)

A heart rate above 150 bpm

d)

A normal sinus rhythm with occasional pauses

8.

Atrial arrhythmias originate from:

a)

The ventricles

b)

The AV node

c)

The atrial tissue or internodal pathways

d)

The Purkinje fibers

9.

Which of the following mechanisms is NOT responsible for atrial dysrhythmias?

a)

Increased automaticity

b)

Triggered activity

c)

Reentry

d)

Ventricular delay

10.

What is a characteristic feature of a Premature Atrial Contraction (PAC)?

a)

Wide QRS complex

b)

Missing P waves

c)

Early abnormal P wave

d)

Prolonged PR interval

11.

Which atrial dysrhythmia has a saw-tooth P wave pattern?

a)

Atrial fibrillation

b)

Atrial flutter

c)

Supraventricular tachycardia

d)

Junctional rhythm

12.

Atrial fibrillation is characterized by:

a)

Regular rhythm with absent P waves

b)

Irregularly irregular rhythm with chaotic baseline

c)

A saw-tooth P wave pattern

d)

Prolonged PR intervals

13.

Junctional rhythms originate from:

a)

The SA node

b)

The AV node

c)

The atria

d)

The ventricles

14.

In junctional rhythms, the P wave may be:

a)

Inverted, absent, or after the QRS complex

b)

Always upright

c)

Always missing

d)

Normal and before the QRS

15.

Which of the following is a characteristic of ventricular arrhythmias?

a)

Narrow QRS complexes

b)

Absence of P waves

c)

Prolonged PR intervals

d)

Saw-tooth P waves

16.

Ventricular fibrillation requires what immediate treatment?

a)

Beta-blockers

b)

Vagal maneuvers

c)

Defibrillation

d)

Anticoagulants

17.

Torsades de Pointes is a type of:

a)

Sinus arrhythmia

b)

Atrial fibrillation

c)

Polymorphic ventricular tachycardia

d)

First-degree AV block

18.

A First-degree AV block is characterized by:

a)

A progressively lengthening PR interval until a QRS is dropped

b)

A prolonged PR interval (>0.20 sec) but no dropped QRS

c)

No association between P waves and QRS complexes

d)

Wide QRS complexes

19.

Which type of AV block has progressively longer PR intervals until a QRS is dropped?

a)

First-degree AV block

b)

Second-degree AV block Type I (Wenckebach)

c)

Second-degree AV block Type II (Mobitz II)

d)

Third-degree AV block

20.

Which type of AV block has a constant PR interval but occasional dropped QRS complexes?

a)

First-degree AV block

b)

Second-degree AV block Type I

c)

Second-degree AV block Type II

d)

Third-degree AV block

21.

In a Third-degree AV block, the atria and ventricles are:

a)

In normal sinus rhythm

b)

Completely independent of each other

c)

Functioning with a prolonged PR interval

d)

Beating at the same rate

22.

Which AV block is also known as a 'complete heart block'?

a)

First-degree AV block

b)

Second-degree AV block Type I

c)

Second-degree AV block Type II

d)

Third-degree AV block

23.

What is the characteristic finding of a 2:1 AV block?

a)

Every second P wave is followed by a QRS

b)

PR intervals progressively lengthen

c)

Irregular QRS morphology

d)

No relationship between P waves and QRS complexes

24.

Which characteristic is most associated with Junctional Rhythms?

a)

P waves are inverted, absent, or occur after the QRS

b)

The PR interval is always normal

c)

The QRS is always wide and bizarre

d)

There are saw-tooth P waves

25.

Junctional Escape Rhythm typically has a heart rate of:

a)

40-60 bpm

b)

60-100 bpm

c)

100-150 bpm

d)

Greater than 200 bpm

26.

Which is the most life-threatening ventricular arrhythmia?

a)

Ventricular fibrillation

b)

Premature ventricular contractions (PVCs)

c)

Idioventricular rhythm

d)

Junctional escape rhythm

27.

A characteristic of ventricular tachycardia is:

a)

Narrow QRS complexes

b)

Wide and bizarre QRS complexes

c)

Atrial flutter waves

d)

A heart rate below 60 bpm

28.

What is the primary treatment for sustained ventricular tachycardia?

a)

Beta-blockers

b)

Immediate defibrillation

c)

Atropine

d)

Observation only

29.

Polymorphic Ventricular Tachycardia (Torsades de Pointes) is commonly associated with:

a)

Hyperkalemia

b)

Hypomagnesemia

c)

Atrial fibrillation

d)

Third-degree AV block

30.

A premature atrial contraction (PAC) originates from:

a)

The SA node

b)

The AV node

c)

An ectopic focus in the atria

d)

The ventricles

31.

How can you differentiate a premature ventricular contraction (PVC) from a PAC?

a)

PVCs have a narrow QRS, while PACs have a wide QRS

b)

PVCs have a wide and bizarre QRS

c)

PACs always occur in a regular rhythm

d)

PACs are always followed by a compensatory pause

32.

Which arrhythmia is categorized under supraventricular tachycardia (SVT)?

a)

Ventricular fibrillation

b)

Atrial flutter

c)

Idioventricular rhythm

d)

Mobitz Type II AV block

33.

What is the typical heart rate in atrial tachycardia/SVT?

a)

40-60 bpm

b)

60-100 bpm

c)

150-250 bpm

d)

Greater than 300 bpm

34.

What is Wolff-Parkinson-White (WPW) Syndrome?

a)

A type of ventricular fibrillation

b)

A type of complete heart block

c)

A pre-excitation syndrome with an extra conduction pathway

d)

An atrial tachycardia

35.

Which EKG finding is associated with WPW Syndrome?

a)

Delta wave

b)

Saw-tooth P waves

c)

Prolonged PR interval

d)

Wide P waves

36.

Which arrhythmia always requires immediate defibrillation?

a)

Atrial fibrillation

b)

Sinus tachycardia

c)

Ventricular fibrillation

d)

First-degree AV block

37.

Adenosine is commonly used to treat:

a)

Sinus bradycardia

b)

Atrial flutter

c)

SVT

d)

Third-degree AV block

38.

Which medication is commonly used for ventricular arrhythmias?

a)

Beta-blockers

b)

Amiodarone

c)

Atropine

d)

Digoxin

39.

Which rhythm is commonly treated with a pacemaker?

a)

Atrial fibrillation

b)

First-degree AV block

c)

Third-degree AV block

d)

Sinus tachycardia

40.

Atrial fibrillation is an example of which type of cardiac issue?

a)

Cardiac arrhythmia

b)

Heart failure

c)

Myocardial infarction

d)

Hypertension

41.

What is the inherent rate range of the ventricles in beats per minute?

a)

60 - 80

b)

40 - 60

c)

20 - 40

d)

80 - 100

42.

How can arrhythmias be detected on an ECG?

a)

By counting the number of leads used in the ECG

b)

By analyzing the intervals between QRS complexes, looking for irregularities in the rhythm, and identifying abnormal waveforms.

c)

By analyzing the patient's temperature before the ECG

d)

By measuring the patient's blood pressure during the ECG

43.

How is atrial fibrillation classified?

a)

By the duration of the QRS complex

b)

By the presence or absence of symptoms

c)

By the regularity of the P waves

d)

By the response to treatment

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