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NHA EKG > Ekg Practice Exam > Flashcards

Ekg Practice Exam Flashcards

1
Q

What is the heart’s primary pacemaker?

A

SA Node

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2
Q

What is a more medically correct term for the clotting of an artery?

A

Occlusion

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3
Q

When the Atria depolarize (or contract), what is shown on the EKG tracing?

A

P Wave

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4
Q

aVR picks up from the center of the ___ to the ___ ___.

A

Heart to the Right Arm

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5
Q

An irregular heartbeat that is common among children is called _____ _____.

A

Sinus Arrhythmia

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6
Q

1 small box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters?

A

1 mm

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7
Q

Lead I picks up from the ___ ___ to the ___ ___. (Add “to the” in your answer.)

A

Right Arm to the Left Arm

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8
Q

What is the term used to described the amount of blood pumped by the heart per minute?

A

Cardiac Output

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9
Q

Leads I through III are collectively known as?

A

Standard Leads

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10
Q

Lead II picks up from the ___ ___ to the ___ ___. (Add “to the” in your answer.)

A

Right Arm to the Left Leg

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11
Q

Leads V1 through V6 are collectively known as

A

Precordial Leads

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12
Q

What is the main artery in the arterial system?

A

Aorta

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13
Q

aVL picks up from the center of the ___ to the ___ ___.

A

Heart to the Left Arm

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14
Q

aVR, aVL, and aVF are collectively known as?

A

Augmented Leads

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15
Q

Lead III picks up from the ___ ___ to the ___ ___. (Add “to the” in your answer.)

A

Left Arm to the Left Leg

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16
Q

Leg electrodes are only used for?

A

Grounding

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17
Q

aVF picks up from the center of the ___ to the ___ ___.

A

Heart to the Left Leg

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18
Q

What is the main vein in the venous system?

A

Superior Vena Cava

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19
Q

When the heart is in a Systolic State, what pacemaker releases an electrical impulse?

A

AV Node

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20
Q

V5, located on the anterior axillary line (AAL), should be placed halfway between which two leads?

A

V4 and V6

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21
Q

The Mitral Valve is also known as the ___ ___.

A

Bicuspid Valve

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22
Q

When the Ventricles depolarize (or contract), what is shown on the EKG tracing?

A

QRS Complex

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23
Q

When clotting reduces oxygen supply to a region of the heart it is known as _____.

A

Ischemia

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24
Q

When the Atria repolarize (or are at rest), what is shown on the EKG tracing?

A

PR Segment

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25
Q

True or False?

You should stop a stress test because of a change of heart rhythm.

A

False

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26
Q

What is formed by the manubrium and the body of the sternum and helps in electrode placement?

A

Angle of Louis

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27
Q

V1 is placed in the 4th intercostal space and is located on which side of the sternum?

A

Right

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28
Q

Which lead should be placed just below the nipple, in the 5th intercostal space on the midclavicular line (MCL)?

A

V4

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29
Q

What arrhythmia is associated with the skipping of heartbeats on an EKG tracing?

A

Sinus Arrest

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30
Q

Which side of the sternum would you place V2 if the patient had dextrocardia?

A

Right

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31
Q

V3 should be placed halfway between which two leads?

32
Q

V6 is placed along the same horizontal plane as V4 and on the _____ line

A

Midaxillary

33
Q

The presence of an inverted or absent P wave indicates what type of arrhythmia?

A

Junctional Rhythm

34
Q

1 minute of an EKG strip is equivalent to how many millimeters in length?

35
Q

What is a more medically correct term for chest pain?

36
Q

The normal human heart rate is between ___ and ___ bpm.

A

60 and 100

37
Q

An Inverted T Wave is an indicator for what type of arrhythmia?

38
Q

What arrhythmia is associate with having a heart rate of over 100/min?

A

Sinus Tachycardia

39
Q

Oxygen/Carbon Dioxide exchange takes place in the _____ of the lungs.

40
Q

When 4 chambers of the heart are at rest, what is shown on the EKG tracing?

41
Q

An Elevated ST Segment is an indicator for what type of arrhythmia?

A

Myocardial Infarction

42
Q

What does the aV in such leads as aVR, aVL and aVF stand for?

A

Augmented Voltage

43
Q

What is the standard number of leads in EKG tracing?

44
Q

When the heart is in a Diastolic State, what pacemaker releases an electrical impulse?

45
Q

What blood vessels contain a pulse?

46
Q

A full cycle of Atria in action is shown as what on the EKG tracing?

A

PR Interval

47
Q

In cardiology, what does M.I. stand for?

A

Myocardial Infarction

48
Q

What chamber of the heart has the thickest myocardium?

A

Left Ventricle

49
Q

What arrhythmia is associated with sawtooth waves between QRS complexes?

A

Atrial Flutter

50
Q

When an Artificial Atrial Pacemaker is captured on EKG tracing, there is a _____ followed by a QRS complex.

51
Q

Standard EKG gain/sensitivity is…

52
Q

A patient undergoing an EKG that begins to have a shortness of breath should be moved to what position?

A

Semi-Fowler’s Position

53
Q

5 most common reasons for artifact on an EKG; caused by patient

A

seizure, trembling, fast breathing, dry or wet skin, shivering

54
Q

What is the function of the Bundle Branches

A

Provide a pathway for electrical impulses to travel and make your heart beat

55
Q

Name 3 conditions that require a right sided EKG

A

Required for inferior wall ST segment elevation myocardial infarction (STEMI),
patients less than 8 years old,
and check for Dextrocardia

56
Q

leads II, III, aVF look at

A

Inferior wall

57
Q

leads V1 and V2 look at

A

septal wall

58
Q

leads V3 and V4 look at

A

anterior wall

59
Q

leads I and aVL look at

60
Q

leads V5 and V6 look at

A

apex, lower lateral wall

61
Q

leads V7, V8, V9 look at

A

posterior wall

62
Q

What is asystole?

A

absence of electrical activity in the heart

63
Q

A seizure is an example of what type of artifact?

A

Somatic Tremor

64
Q

What are the 2 classic signs of myocardial ischemia?

A

ST segment depression, and T wave inversion

65
Q

What disease process can be diagnosed by an EKG?

A

Arrhythmias

66
Q

(Ar)teriosclerosis

A

Hardening of arteries

67
Q

(Ath)erosclerosis:

A

Buildup of fat in the arteries

68
Q

What kind of test requires patients to keep a journal or diary?

A

Holter Monitor

69
Q

What is also used during a stress test, in addition to electrodes?

A

A treadmill

70
Q

During stress testing, why are the limb lead electrodes placed on the chest?

A

so patients can move arms

71
Q

an ekg tec is preparing a patient for an exercise stress test. where should the tec place the RL electrode?

A

right lower abdomen

72
Q

the R-R interval ona patients tracing has five large boxes. whitch of the following is the patients heart rate?

73
Q

ans ekg tec is edjucatin a patient on when to push the event button while wearing a halter monitor. witch of the following statemens indicates patient understanding?

A

“i will push the event button if im experiencing dissines”

74
Q

which of the following is the maximum number of tracing that an EKG tec can obtain on the sam oatient using a single set of disspossable electrodes?

75
Q

whitch of the following can cause sinus arrythmia?

A

the patients breathing

NHA EKG (4 decks)

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