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DCS 102 - Electrocardiography II > Final Exam Multiple Choice Questions 2023 > Flashcards

Final Exam Multiple Choice Questions 2023 Flashcards

1
Q

If you are looking at an ECG with right axis deviation and also notice a wide QRS complex showing RSR’ with strain in V1 and the opposite in V6. Lead I has a negatively deflected QRS and III has a positively deflected QRS. What would this indicate?
A. RBBB with LPHB
B. RBBB with LAHB
C. RBBB
D. LBBB with LAHB

A

A. RBBB with LPHB

Submitted by BS

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2
Q

Which wall of the left ventricle is supplied by the circumflex coronary artery?
A. Anterior wall
B. Posterior wall
C. Inferior wall
D. Lateral wall

A

D. Lateral wall

Submitted by BS

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3
Q

If the S wave voltage in V1 is measuring 15mm and the R wave voltage in V5 is measuring 29mm what would this indicate?
A. RVH
B. LVH
C. LAE
D. RAE

A

B. LVH

Submitted by BS

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4
Q

What class of medication interferes with the movement of potassium ions into the cardiac cell during phase 3 of the action potential?
A. Class II Antiarrhythmic, Antihypertensive
B. Class IV Antiarrhythmic, Antihypertensive
C. Class III Emergency Antiarrhythmic
D. Class I Antiarrhythmic

A

C. Class III Emergency Antiarrhythmic

Submitted by BS

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5
Q

The ability of the systolic blood pressure to rise with exercise is known as ____.
A. Inotropic incompetence
B. Inotropic reserve
C. Chronotropic response
D. Chronotropic incompetence

A

B. Inotropic reserve

Submitted by BS

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6
Q

During an Action Potential, what phase is depolarization in?
A. Phase 0
B. Phase 1
C. Phase 2
D. Phase 3

A

A. Phase 0
Submitted by VB

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7
Q

A Lateral MI will show up where?
A. 1, aVF, V1-V3
B. 1, aVR V1-V3
C. 1, aVL, V5-V6
D. 1 aVF, V5-V6

A

C. 1 aVL, V5-V6
Submitted by VB

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8
Q

What is the MAX VO2 formula?
A. 2.34 x TM - 7.89
B. 2.34 x TM + 7.89
C. 2.94 x TM - 7.65
D. 2.94 x TM + 7.65

A

D. 2.94 x TM + 7.65
Submitted by VB

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9
Q

Determine the following axis quadrant, negative Lead 1 and a positive aVF. Which quadrant are we looking in?
A. Normal
B. LAD
C. RAD
D. Indeterminate

A

C. RAD
Submitted by VB

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10
Q

The Inferior wall of the heart is supplied by what coronary artery?
A. Left Anterior Descending Coronary Artery
B. Right Coronary Artery
C. Circumflex Coronary Artery
D. Right Anterior Descending Coronary Artery

A

B. Right Coronary Artery
Submitted by VB

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11
Q

When looking for Miscellaneous Effects on the patient’s EKG you notice a long QT Interval. A long QT puts the patient at risk of what?
A. Bradycardia
B. Ventricular Tachycardia
C. 1st Degree AV Block
D. Junctional Bradycardia

A

B. Ventricular Tachycardia
Submitted by BB

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12
Q

Which of the follow should you advise your patient to do before coming to their stress test?
A. Do not eat anything 4 hours prior
B. Hair up and out of face
C. Do not take medications morning of
D. Avoid caffeine prior to exam

A

D. Avoid caffeine prior to exam
Submitted by BB

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13
Q

A normal T Wave is rounded with an amplitude of ___ in the frontal leads.
A. Less than 4 mm
B. Greater than or equal to 3 mm
C. Greater than 5 mm
D. Greater than or equal to 5 mm

A

D. Greater than or equal to 5 mm
Submitted by BB

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14
Q

What effect does hypothyroid medication have on an EKG?
A. Lowers heart rate
B. Flattening of T waves
C. Raises heart rate
D. Has no effect

A

C. Raises heart rate
Submitted by BB

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15
Q

When looking at a 12 Lead, when is the only time you have to evaluate for a Hemiblock?
A. When you see LBBB
B. When you see RBBB
C. When you see LVH
D. When you see WPW

A

B. When you see RBBB
Submitted by BB

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16
Q

When looking at a 12-lead you notice flattened T waves and prominent U waves. Which of the following could cause this EKG change?
A. Hyperkalemia
B. Hypokalemia
C. Hypercalcemia
D. Hypocalcemia

A

B. Hypokalemia

Submitted by VM

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17
Q

Which of the following EKG changes appears immediately before an MI starts, and is indicative of ischemic cardiac tissue?
A. ST elevation
B. Significant Q wave
C. Inverted T wave
D. Significant R wave

A

C. Inverted T wave

Submitted by VM

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18
Q

When looking at each P wave on a 12-lead EKG, which of the following would indicate RAE?
A. P wave duration is 0.16 seconds
B. P wave duration is 0.10 seconds
C. P wave amplitude of 1 mm
D. P wave amplitude of 3 mm

A

D. P wave amplitude of 3 mm

Submitted by VM

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19
Q

Which of the following medications was most likely given to a patient if on their EKG you observe several seconds of asystole convert into sinus rhythm?
A. Adenosine
B. Dopamine
C. Nitroglycerine
D. Atropine

A

A. Adenosine

Submitted by VM

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20
Q

Which kind of stress test can help determined if the cardiac walls are receiving adequate blood and oxygen at peak exercise by observing if the walls thicken or contract well in systole?
A. Pharmacologic stress test
B. Exercise stress test
C. Stress Echo
D. Nuclear Stress Test

A

C. Stress Echo

Submitted by VM

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21
Q

What is hyperkalemia?
A. excessive Potassium in the bloodstream
B. excessive calcium
C. Potassium deficit
D. Calcium deficit

A

A. excessive Potassium in the bloodstream

submitted by AD

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22
Q

How can we identify Pericarditis in a QRS?
A. pointy P waves
B. convex ST elevation (frowny face)
C. concave ST elevation (smiley face)
D. Horizontal ST depression

A

C. concave ST elevation (smiley face)

submitted by AD

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23
Q

If there is a significant Q wave and ST elevation in leads ll, lll, and aVF which type of infarct occured?
A. Posterior
B.Antero-septal
C.lateral
D.Inferior

A

D.Inferior

submitted by AD

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24
Q

During which situation will epinephrine be used?
A. Pharmacologic stress test
B. Heart failure
C. allergic reactions
D.SVT’s

A

C. allergic reactions

submitted by AD

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25
Q

If seen which of the following an absolute reason to not perform a stress test?
A. severe hypertension
B. second or third degree AV Block
C. uncontrolled tachyarrhythmias
D. Acute MI <48 hours old

A

D. Acute MI <48 hours old

submitted by AD

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26
Q

Which of the following is not a cause of axis deviation?

A. Arrhythmias
B. Advanced pregnancy or obesity
C. Endocarditis
D. Chronic lung disease, Pulmonary embolus

A

C. Endocarditis

Submitted by JA

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27
Q

If the QRS in lead 1 is negative and AVF is positive what would the axis quadrant be?
A. Right axis deviation
B. Left axis deviation
C. Indeterminant axis
D. Normal axis

A

A. Right axis deviation

Submitted by JA

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28
Q

Symptoms of Myocardial infarction include all of the following except?
A. Shortness of breath
B. Diaphoresis
C. Nausea/ vomiting
D. Tinnitus

A

D. Tinnitus

Submitted by JA

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29
Q

Which type of ST depression is most indicative of CAD?
A. Upsloping
B. Downsloping
C. Horizontal
D. J point

A

B. Downsloping

Submitted by JA

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30
Q

Which of the following is not a generic/ brand name for calcium channel blockers?
A. Verapamil
B. Ibutilide
C. Diltiazem
D. Amolodipine

A

B. Ibutilide

Submitted by JA

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31
Q

The Indeterminate axis is between?
A. 0 and +90°
B. -90° and ±180°
C. +90° and ±180°
D. 0 and -90°

A

B. -90° and ±180°

Submitted by LK

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32
Q

Which Infarct Imposter has the following: “fishhook”, common in young people, often accompanies LVH?
A. Pericarditis
B. LVH
C. Early Repolarization
D. Digitalis Effect

A

C. Early Repolarization

Submitted by LK

33
Q

When looking for a RBBB, what should you see in V1?
A. Significant Q in V1
B. QS or RS in V1
C. T wave inversion
D. RSR’ in V1

A

D. RSR’ in V1

Submitted by LK

34
Q

Which of the following is an acceptable peak rate pressure product?
A. 24,250
B. 24,800
C. 22,700
D. 26,450

A

D. 26,450

Submitted by LK

35
Q

What are Bronchodilators used to treat?
A. Chronic Lung Disease
B. Edema
C. Angina
D. Depression

A

A. Chronic Lung Disease

Submitted by LK

36
Q

A degree of +150º would fall under which axis quadrant?
A. indeterminate axis
B. left axis deviation
C. normal axis
D. right axis deviation

A

D. right axis deviation

Submitted by BC

37
Q

When the myocardial tissue becomes ischemic due to an occluded artery, it becomes what color?
A. blue
B. black
C. white
D. brown

A

C. white

Submitted by BC

38
Q

A 12-lead shows a shortened ST segment that also causes a shortened QT interval.What could be the reason of this EKG change?
A. hypocalcemia
B. hypercalcemia
C. hyperkalemia
D. hypokalemia

A

B. hypercalcemia

Submitted by BC

39
Q

Nytroglycerin is a type of medication given to patients who suffer from what?
A. Angina
B. hypothyroidism
C. heart failure
D. hypertension

A

A. Angina

Submitted by BC

40
Q

Which of the following statements is an example of a relative contraindication?
A. Patient has acute myocarditis
B. Patient has a resting BP of 226/120mmHg
C. Patient has a fever, swollen glands and body aches
D. Patient had an MI yesterday

A

B. Patient has a resting BP of 226/120mmHg

Submitted by BC

41
Q

Which of the following conditions do not cause a low voltage EKG?
A. Obesity
B. Hypertension
C. Myxedema
D. Pericardial Effusion

A

B. Hypertension

Submitted by YO

42
Q

Which of the following medications is a calcium channel blocker?
A. Adenosine
B. Metoprolol
C. Atropine
D. Amlodipine

A

D. Amlodipine

Submitted by YO

43
Q

Which of the following is not a normal EKG change during a stress test?
A. Tall P waves
B. Shortened PR interval
C. Longer R-R intervals
D. Lower voltage QRS complexes

A

C. Longer R-R intervals

Submitted by YO

44
Q

A signal-averaged EKG takes up to __ minutes?
A. 15
B. 20
C. 30
D. 45

A

B. 20

Submitted by YO

45
Q

What 12 lead interpretation is an imposter for a posterior MI?
A. LVH
B. RVH
C. LBBB
D. RBBB

A

B. RVH

Submitted by YO

46
Q

The part of the left bundle branch before it divides into its fascicles is called the:
A. Purkinje Fibers
B. Interventricular Septum
C. Common Bundle Branch
D. Bundle of His

A

C :Common Bundle Branch

Submitted by MO

47
Q

What is the correct sequence of the three I’s of infarction?
A. ischemia, injury, infarction
B. injury, infraction, ischemia
C. ischemia,infarction, injury
D. infarction, injury, ischemia

A

A: ischemia, injury, infarction

Submitted by MO

48
Q

How will ISCHEMIA of the anterior wall represent itself on a 12 lead EKG?
A. ST segment elevation in leads II, III, aVF
B. ST segment depression in leads II, III, aVF
C. ST segment elevation in leads V3 and V4
D. ST segment depression in leads V3 and V4.

A

D. ST segment depression in leads V3 and V4.

Submitted by MO

49
Q

What type of medication are given to dilate the coronary arteries and improve coronary blood flow, thus reducing or eliminating chest pain?
A. Diuretics
B. Nitrates
C. Beta Blockers
D. Vasodilators

A

B. Nitrates

Submitted by MO

50
Q

For submaximal stress testing, how much percentage of the heart rate must be reached?
A. 70%
B. 85 %
C. 65%
D. 90%

A

A. 70%

Submitted by MO

51
Q

We cannot interpret RVH on a 12 lead if what is present?
A. RAE
B. LBBB
C. RBBB
D. Hemiblock

A

C. We do not interpret RVH if RBBB is present

Submitted by AW

52
Q

which MI imposter involves an elevated ST segment that is concaved along with symptoms of inflamed endocardium and pericardium?
A. Digitalis
B. Severe angina
C. Hyperkalemia
D. Pericarditis

A

C. Pericarditis

Submitted by AW

53
Q

In order to rule in a NONSTEMI, where on the 12 lead must we see ST depression and T wave inversion?
A. V1
B. Lead I
C. widespread throughout many leads
D. aVR

A

C. in order to rule in a nonstemi, we must see widespread (diffuse) ST depression and T wave inversion.

Submitted by AW

54
Q

WHich emergency medication raises the HR by blocking acetylcholine?
A. Atropine
B. Lanoxin
C. Epinephrine
D. Dobutamine

A

A. Atropine; it is an anticholinergic. Atropine is sometimes given along with Dobutamine to raise HR

Submitted by AW

55
Q

100 patients all tested positive for CAD on an angiogram. 72 of the patients test positive CAD on a stress test. What is the sensitivity percentage of the stress test?
A. 72 %
B. 100%
C. 28%
D. 38%

A

A. 72% sensitivity

Submitted by AW

56
Q

Which of the following is a correct criterion for determining LVH?
A. Largest R wave plus largest S wave in precordial leads > 45 mm
B. R wave greater than or equal to S wave in V1
C. S wave depth in V1 + tallest R wave height in V5-V6 < 35 mm
D. R/S ratio greater than or equal to 1

A

A. Largest R wave plus largest S wave in precordial leads > 45 mm

Submitted by AS

57
Q

Which of these is true about infarct imposters?
A. LBBB is an imposter for lateral MI
B. RVH in V1 is an imposter for inferior MI
C. LVH is an imposter for posterior MI
D. LBBB is an imposter for anterior MI

A

D. LBBB is an imposter for anterior MI

Submitted by AS

58
Q

Which leads would display ST elevation and/or significant Q waves with an inferior MI?
A. V2-V4
B. I, aVL, V5-V6
C. II, III, aVF
D. aVR

A

C. II, III, aVF

Submitted by AS

59
Q

What effect does Insulin have on an EKG?
A. Increases HR
B. Arrhythmia
C. AV blocks
D. None

A

D. None

Submitted by AS

60
Q

Which exercise protocol is used for testing post-MI patients?
A. Bruce
B. Modified Bruce
C. Naughton
D. None, cannot perform stress test

A

C. Naughton

Submitted by AS

61
Q

Which is NOT a cause for axial change?
A. Pregnancy
B. Excessive Exercise
C. Obesity
D. Lung condition

A

B. Excessive Exercise

Submitted by SH

62
Q

Which is an absolute reason for termination?
A. Rating 2 Angina scale
B. Fatigue
C. Development of BBB or IVCD
D. Elevation ST seg

A

D. Elevation ST Seg

Submitted by SH

63
Q

What is the function of anti-platelet medication?
A. help with angina
B. decrease platelet aggregation and inhibit thrombus formation
C. Break up blood clots by activating fibrinolysis
D. raises blood PH by relieving acidosis

A

B. decrease platelet aggregation and inhibit thrombus formation

Submitted by SH

64
Q

How is right atrial enlargement indicated on an EKG?
A. QRS > 0.12 sec
B. P Wave > 2.5 mm
C. P wave > 0.12 sec
D. QRS < 0.12 sec

A

B. P Wave > 2.5 mm

Submitted by BC

65
Q

How is left atrial enlargement indicated on an EKG?
A. QRS > 0.12 sec
B. P Wave < 2.5 mm
C. P wave > 0.12 sec
D QRS < 0.12 sec

A

C. P Wave > 0.12 sec

Submitted by BC

66
Q

What effect does adenosine have on the EKG?
A. Slows the heart rate and converts to sinus rhythm
B. Increases the heart rate and converts to sinus rhythm
C. Prolonged PR
D. Narrow QRS

A

A. Slows the heart rate and converts to sinus rhythm (proceeded by several seconds of asystole)

Submitted by BC

67
Q

Which of the following is an infarct imposter?
A. ST Elevation
B. T Wave Inversion
C. Early Repolarization
D. Prolonged PR Interval

A

C. Early Repolarization

Submitted by BC

68
Q

When determining the axis quadrant, the QRS is positive in lead I and negative in AVF, what kind of axis deviation is there if any?
A. RAD
B. LAD
C. Normal
D. Indeterminate

A

B. LAD

Submitted by BC

69
Q

What is the capital of Illinois?
A. Peoria
B. Palatine
C. Chicago
D. Springfield

A

D. Springfield

Submitted by KH

70
Q

LVH is most commonly caused by
A. Chronic lung disease
B. Pregnancy
C. Hypertension
D. Arrhythmias

A

C. Hypertension

Submitted by JU

71
Q

Where do myocardial infarctions mostly occur?
A. Left atrium
B. Left ventricle
C. Aorta
D. Right ventricle

A

B. Left ventricle

Submitted by JU

72
Q

When looking for a LBBB, what should you see in V1?
A. RSR’
B. QS or RS
C. Small R
D. Inverted T waves

A

B. QS or RS

Submitted by JU

73
Q

What effect do beta blockers have on an EKG?
A. Decreased heart rate
B. Prolonged PR, QRS and QT intervals
C. Increased heart rate
D. T wave inversion

A

A. Decreased heart rate

Submitted by JU

74
Q

Which of the following is NOT a normal sign during a stress test?
A. Tall P waves
B. Shortened PR interval
C. Chronotropic incompetence
D. Decreased systemic vascular resistance

A

C. Chronotropic incompetence

Submitted by JU

75
Q

Normal QRS should be no taller or deeper than _ in any lead.
A. 11mm
B. 13 mm
C. 7 mm
D. 14 mm

A

B. 13 mm

Submitted by NN

76
Q

Which EKG change correctly describes old MI?
A. T wave inversion
B. Significant Q + T wave inversion
C. Significant Q only
D. Marked ST elevation + upright T wave

A

C. Significant Q only

Submitted by NN

77
Q

What type of MI would ST elevation and/or significant Q in V2 to V4 indicate?
A. Inferior MI
B. Lateral MI
C. Anteroseptal MI
D. Anterior MI

A

D. Anterior MI

Submitted by NN

78
Q

Which class of antiarrhythmics blocks the sympathetic nervous system’s beta - receptors, and slows the heart rate?
A. Calcium channel blockers
B. Beta - blockers
C. Potassium channel blockers
D. Sodium channel blockers

A

B. Beta - blockers

Submitted by NN

79
Q

What are the ranges of systolic and diastolic pressure indicating severe hypertension (relative contraindication)?
A. systolic >210, diastolic > 120
B. systolic >220, diastolic > 100
C. systolic >180, diastolic > 90
D. systolic >200, diastolic > 110

A

D. systolic >200, diastolic > 110

Submitted by NN

DCS 102 - Electrocardiography II (4 decks)

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