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ECG Make Up

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

The _____ is considered the pacemaker of the heart.


a)

 

AV bundle


b)

 

Purkinje fibers


c)

 

SA node


d)

 

AV node


2.

This artifact occurs when poor skin preparation occurred.


a)

 

Wandering baseline


b)

 

Interrupted baseline


c)

 

AC interference


d)

 

Somatic tremor


3.

This type of artifact looks choppy and is caused by patient movements such as shivering or Parkinson's Disease.

a)

 

Somatic tremor


b)

 

Wandering baseline


c)

 

AC interference


d)

 

Interrupted baseline


4.

How many electrodes are used in a 12 lead ECG?

a)

4

b)

6

c)

10

d)

12

5.

What does the white lead wire represent?

a)

Left arm

b)

Right leg

c)

Left leg

d)

Right arm

6.

Why might limb electrodes be placed on the torso?

a)

To reduce motion artifact

b)

Because it's easier

c)

To improve the accuracy of the ECG

d)

To use fewer electrodes

7.

left leg

a)

green

b)

white

c)

black

d)

red

8.

What is the standard paper speed for an ECG machine?

a)

25 mm/sec

b)

50 mm/sec

c)

0.25 mm/sec

d)

0.50 mm/sec

9.

The horizontal reading on the ECG paper represents ______, and the vertical readings represent ______.

a)

voltage, time

b)

time, height

c)

time, voltage

d)

voltage, millivolts

10.

What is this rhythm?

a)

Accelerated Junctional Rhythm

b)

Ventricular Tachycardia

c)

Torsades De Pointes

d)

Ventricular Fibrillation

11.

What is this rhythm?

a)

Asystole

b)

PEA

c)

Ventricular Fibrillation

d)

Ventricular Tachycardia

12.

Identify the following rhythm.

a)

Atrial pacing

b)

Ventricular pacing

c)

AV (dual chamber) pacing

13.

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

14.

The paper on an ECG normally moves at:

a)

50mm/sec

b)

75mm/sec

c)

25cm/sec

d)

25mm/sec

15.

A wave that is 10 small boxes high and three small boxes wide is described as being:

a)

1.0mm by 0.3 seconds

b)

10mm by 0.12 seconds

c)

12mm by 0.3 seconds

d)

12mm by 0.10 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.

Electrical interference that appears as small, uniform spikes on ECG tracking

a)

AC interference

b)

Amplifier

c)

arrhythmia

d)

Muscle artifact

18.

What is the name of the blood vessel that brings venous blood from the abdomen and legs

to the right atrium?

a)

inferior vena cava

b)

superior vena cava

c)

aorta

d)

pulmonary artery

19.

What chamber of the heart receives oxygenated blood from lungs?

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

20.

An EKG tech should recognize that which of the following blood pressure readings is within the expected reference range for an adolescent patient? 

a)

98/78 mm Hg

b)

78/48 mm Hg

c)

86/60 mm Hg

d)

124/87

21.

Ventricular Rhythms have missing _____ waved and _________ QRS complexes

a)

P waves, wide and bizarre

b)

T waves, upright and round

c)

P waves, positively deflected

d)

U waves, wide and bizarre

22.
Which lead is placed 5th Intercostal Space, midaxillary line?
a)
V3
b)
V4
c)
V5
d)
V6
23.
Which lead is placed in the 4th Intercostal Space, Left of the Sternum?
a)
V1
b)
V2
c)
V3
d)
V4
24.
Which lead is found 5th Intercostal Space, midclavicular line?
a)
V1
b)
V2
c)
V3
d)
V4
25.
Orange
a)
V3
b)
V4
c)
V5
d)
V6
26.

Which lead is created by connecting the right arm and left arm?

a)

I

b)

II

c)

III

d)

aVR

e)

aVL

27.

P wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Depolarization of atria

d)

Depolarization of ventricles

28.

T wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Repolarization of ventricles and atria

d)

Depolarization of atria and ventricles

29.

QRS complex is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Depolarization of atria

d)

Depolarization of ventricles

30.

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

31.
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
a)
AV node, Bundle of His, SA node, Purkinje fibers, bundle branches
b)
SA node, AV node, Bundle of His, bundle branches, Purkinje fibers
c)
SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
d)
SA node, Bundle of His, bundle branches, Purkinje fibers, AV node
32.
How many impulses does the SA node generates per minute?
a)
30-40
b)
40-60
c)
60-100
d)
100-120
33.
What is the easiest way to calculate heart rate especially if the rhythm is irregular?
a)
1500 method
b)

Sequence method

c)

6 Second Method

d)

300 Method

34.

What do Depolarization and Repolarization initiate in different chambers of the Heart?

a)

Thickening and thinning

b)

Contraction and relaxation

c)

Relaxation and contraction

d)

Contraction and thickening

35.

Which picture shows the correct placement for a 12 lead EKG?

a)
b)
c)
d)
36.

This artifact is when the baseline moves from the center of the paper and is caused by improper skin preparation

a)

Alternating Current Interference

b)

Somatic Tremor

c)

Wandering Baseline

d)

Flat Line

37.

This artifact results in regular spikes in the tracing and is caused by things like lights, computers or cell phones

a)

Alternating Current Interference

b)

Somatic Tremor

c)

Wandering Baseline

d)

Flat Line

38.

When placing electrodes on the patient for a resting ECG, in which of the following locations should an EKG tech place the ground electrode? 

a)

Right Arm

b)

Left Arm

c)

Left Leg

d)

Right Leg

39.

What is the best position for the patient when performing an EKG?

a)

Prone

b)

Supine

c)

Lateral

d)

Standing

40.

What is the best position for a patient with severe shortness of breath when performing an EKG?

a)

Prone

b)

Semi-Fowlers

c)

Lateral

d)

Left Sim's

41.

Which test is an EKG that the patient wears for an extended period of time and keeps a diary of their activities while wearing it?

a)

Exercise Stress Test

b)

Long Term EKG

c)

Holter Monitor

d)

Chemical Stress Test

42.

Which of the following statements should an EKG tech make when preparing an 8-year-old patient for a standard 12-lead ekg?

a)

"I am going to apply some stickers to your belly, arms and legs for the test"

b)

"I am going to apply these adhesives electrodes to your chest and extremities for an ekg"

c)

"I am going to conduct an elctroardiogram on your heart"

d)

"I need you to hold still while I attach these wires to you for the electrocardiogram"

43.

A medical assistant is preparing to perform an EKG recording on a patient. Which of the following information is true of limb leads and electrodes?

a)

Limb leads are unipolar

b)

Leads V1 through V6 are limb leads

c)

Limb leads are placed on the fleshly areas of the skin

d)

The left leg wire serves as the ground

44.

A normal pulse oximetry reading should be above

a)

85%

b)

90%

c)

95%

d)

100%

45.

Provides counter shock to convert cardiac arrhythmias to normal sinus rhythm

a)

galvonometer

b)

repolarization

c)

defibrillator

d)

depolarization

46.

Which of the following arteries is the best location for an EKG tech to use to measure the heart rate for an adult patient following an exercise stress test? 

a)

radial

b)

carotid

c)

femoral

d)

brachial

47.

While performing a 5-lead EKG, an EKG tech notices that lead II and lead III are not yielding a reading. Which of the following limbs should the tech check to correct the error? 

a)

right arm

b)

left arm

c)

left arm

d)

left leg

48.

An EKG tech is preparing to apply electrodes to a patient for a standard 12-lead EKG. Which of the following methods should the tech use to prepare the patient for application of the electrodes? 

a)

cleanse the patient's skin with chlorhexidine

b)

apply tape and remove in a quick motion to remove the patient's hair

c)

use a razor or slippers to remove the patient's hair

d)

cleanse the patient's skin with povidone-iodine

49.

The EKG tech has now completed the EKG procedure. Following Standard Precautions, the EKG tech should 

a)

sanitize and disinfect reusable equipment and return it to storage

b)

remove all equipment and return it to storage

c)

place all equipment outside the patient's room

d)

sterilize all equipment and return it to storage

50.

Which of the following should be included in the medical history taken prior to an EKG?

a)

fasting status

b)

current medications

c)

SPO2

d)

smoker vs non-smoker status

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