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Basic Cardiac Rhythm

Total questions: 50

Worksheet time: 52mins

Name
Class
Date
1.

The nurse is reviewing a patient’s electrocardiogram. Which wave should the nurse recognize as being the first positive wave in a normal cardiac cycle?

a)

P wave

b)

Q wave

c)

R wave

d)

S wave

2.

A patient is experiencing electrocardiogram changes. Which wave should the nurse recognize as representing ventricular repolarization?

a)

Q wave

b)

R wave

c)

S wave

d)

T wave

3.

After reviewing an electrocardiogram the nurse determines that an electrical impulse originated in a patient’s the sinoatrial node. What did the nurse see on this tracing?

a)

An upright T wave

b)

An inverted T wave

c)

A positive P wave before a QRS complex

d)

A negative P wave before a QRS complex

4.

The nurse is determining the functioning of a patient’s sinoatrial node. How many times per minute should the nurse expect the node to normally fire?

a)

20 to 40

b)

25 to 55

c)

40 to 85

d)

60 to 100

5.

The nurse determines that a patient’s electrocardiogram is demonstrating normal sinus rhythm. What did the nurse observe to come to this conclusion? (Select all that apply.)

a)

Regular rhythm

b)

P wave before each QRS complex

c)

Wide QRS intervals

d)

Heart rate 88 beats per minute

6.
The t-wave correlates with which event?
a)
atrium contraction /signals moving from SA node to AV node
b)
ventricle contraction
c)
ventricle repolarization
d)
both atrial and ventricle contraction
7.

Lead II is the standard lead in viewing the EKG.

a)

True

b)

False

8.

A common cardiac dysrhythmia characterized by premature heartbeats originating in the atria.

a)

A-Fib

b)

A-Flutter

c)

PAC's

d)

SA Block

9.

Arrhythmia resulting from impulses coming from a locus of tissue in the area of the AV node, the "junction" between atria and ventricles.

a)

1st Degree AV Block

b)

Junctional Rhythm

c)

2nd Degree AV Block Type I

d)

2nd Degree AV Block Type II

10.

Occurs when the natural pacemaker site shifts between SA node, the atria, and/or the AV node.

a)

1st Degree AV Block

b)

SA Block

c)

Sinus Pause

d)

Wandering Atrial Pacemaker

11.

Rate: 150 – 250 bpm

Rhythm: regular

a)

Accelerated Junctional Rhythm

b)

ST

c)

Accelerated IVR

d)

SVT

12.

The paper on an ECG normally moves at:

a)

50mm/sec

b)

75mm/sec

c)

25cm/sec

d)

25mm/sec

13.

The width of each small box represents:

a)

0.04 seconds

b)

0.02 seconds

c)

0.40 seconds

d)

0.20 seconds

14.

The small boxes on ECG paper measure:

a)

1 cm by 0.20 seconds

b)

1mm by 0.20 seconds

c)

1cm by 0.04 seconds

d)

1mm by 0.04 seconds

15.

The big boxes on the ECG paper measure:

a)

5mm by 0.20 seconds

b)

1mm by 0.20 seconds

c)

5mm by 0.04 seconds

d)

1mm by 0.04 seconds

16.

A distance of 2 big boxes and 2 little boxes wide is described as being:

a)

22mm wide

b)

0.22 seconds wide

c)

0.48 seconds wide

d)

4.8 seconds wide

17.

In reference to the electrical activity of the heart, what signals the end of the cardiac cycle?

a)

Atrial depolarization

b)

Atrial repolarization

c)

Ventricular depolarization

d)

Ventricular repolarization

18.

The period of time from the onset of the P wave to the beginning of the QRS complex.

a)

Diastole

b)

Contraction

c)

Relaxation

d)

PR Interval

19.

Greater than 0.12 seconds is considered abnormal.

a)

1st Degree AV Block

b)

2nd Degree AV Block

c)

3rd Degree AV Block

d)

Bundle Branch Block

20.

Used to calculate ventricular rate

a)

6 Second Strip

b)

P Wave

c)

PR Interval

d)

R-R Interval

21.

Seen as a result of the repolarization of the ventricles.

a)

P Wave

b)

T Wave

c)

QRS Complex

d)

ST Segment

22.

Used for irregular rhythms

a)

1500

b)

300

c)

6 Second Strip

d)

R-R Interval

23.

Using the 6 second strip method, what is the HR of this EKG?

a)

50

b)

52

c)

55

d)

58

24.

What does the P wave on the ECG tracing represent?

a)

Contraction of the atria

b)

Contraction of the ventricles

c)

Depolarization of the atria

d)

Depolarization of the ventricles

25.

Identify the tracing

a)

Atrial Fibrillation

b)

Sinus Tachycardia

c)

Ventricular tachycardia

d)

Supraventricular tachycardia

26.

What is the ECG showing

a)

Atrial Fibrillation

b)

Ventricular Fibrillation

c)

normal

d)

Premature Ventricular Contraction

e)

Heart Block

27.
What pacemaker has a firing rate of 40-60 times per minute?
a)
Purkinje fibers
b)
SA node
c)
Bundle of His
d)
AV node
28.

Interpret this Rhythm:

a)

1st Degree AV Block

b)

Idioventricular Rhythm

c)

STEMI

d)

Sinus Bradycardia

29.

Interpret this Event:

a)

PVC's

b)

Multifocal PVC's

c)

PAC's

d)

Couplets

30.

Interpret this Rhythm:

a)

Atrial Fibrillation

b)

Wenckebach

c)

Mobitz

d)

Muscle Artifact

31.

Atria are irritable and quivering, causing fibrillatory waves between QRS complex

a)

asystole

b)

atrial flutter

c)

A fib

d)

V fib

32.

Atria firing at very fast rate, causing flutter waves between normal QRS complexes

a)

asystole

b)

atrial flutter

c)

atrial fib

d)

V tach

33.

Every other beat is a PVC

a)

A fib

b)

Atrial Flutter

c)

Asystole

d)

bigeminy

34.

Everything is normal except the PR interval is greater then .20 seconds

a)

Second Degree Heart Block

b)

Third Degree Heart Block

c)

First Degree Heart Block

d)

Complete Heart Block

35.

Only wide and bizarre complexes at a very slow rate

a)

First Degree Heart Block

b)

Sinus Bradycardia

c)

PVC's

d)

Idioventricular

36.

Every beat on the strip has an absent or inverted P wave

a)

Idioventricular

b)

Junctional Rhythm

c)

PJC

d)

PAC

37.

Premature or early beat that has an absent or inverted P wave

a)

PAC

b)

PJC

c)

PVC

d)

Premature pacemaker spike

38.

Premature early beat that is wide and bizarre

a)

PAC

b)

PJC

c)

PVC

d)

Premature heart block

39.

PR interval gets progressively longer and longer until there is a P wave and no QRS

a)

First Degree Heart Block

b)

Second degree Block Type I (Wenckebach/Mobitz I)

c)

Second degree Block Type II (Classical/Mobitz II)

d)

Third degree Block

40.

PR interval is constantly the same, but some P waves have no QRS

a)

First Degree Block

b)

Second Degree Block Type I (Wenckebach/Mobitz I)

c)

Third Degree Block

d)

Second Degree Block Type II (Classical/MobitzII)

41.

R to R interval will change (be irregular) in a cycle, not just one beat

a)

Sinus bradycardia

b)

Sinus arrhythmia

c)

Sinus tachycardia

d)

Sinus pacemaker

42.

Everything is normal except rate is less than 60

a)

Sinus bradycardia

b)

Sinus tachycardia

c)

Sinus arrhythmia

d)

Sinus block

43.

Everything is normal except the rate is greater than 100

a)

Sinus arrhythmia

b)

Sinus bradycardia

c)

Sinus tachycardia

d)

Sinus block

44.

Extra P waves visible, PR constantly changes, block between atria and ventricles

a)

First Degree Block

b)

Second Degree Block

c)

Third Degree Block

d)

Fourth Degree Block

45.

Every third beat is a PVC

a)

Bigeminy

b)

Trigeminy

c)

Couplet

d)

Triplet

46.

Three PVC's in a row

a)

Triplet

b)

Trigeminy

c)

Couplet

d)

Bigeminy

47.

Ventricles are irritable and no longer contract but quiver, there are no definite complexes

a)

A fib

b)

V fib

c)

V tach

d)

Atrial flutter

48.

Ventricles are contracting but at a very fast rate, only see wide and bizarre complexes

a)

Atrial tachycardia

b)

Ventricular Fib

c)

Atrial Fib

d)

V tach

49.

PVC's originate from different sites, they look different

a)

multifocal

b)

unifocal

c)

couplet

d)

triplet

50.

PVC originates from the same site and they are identical to each other

a)

Bigeminy

b)

Trigeminy

c)

Multifocal

d)

Unifocal

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