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DCS 102 - Electrocardiography II > Final Exam Multiple Choice Questions 2021 > Flashcards

Final Exam Multiple Choice Questions 2021 Flashcards

1
Q

Right ventricular hypertrophy is commonly caused by which condition?

A) Chronic Lung Disease
B) Hypertension
C) Myxedema
D) Emphysema

A

A) Chronic Lung Disease

Submitted by CM

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2
Q

When a patient is suspected of having a right ventricular infarction and there is electrocardiographic evidence of an inferior wall MI on the standard 12 lead EKG, what other condition must be met in order to diagnose a right ventricular infarction?

A) ST segment elevation in lead aVR on a standard 12 lead EKG
B) ST segment elevation in V3R and/or V4R (on a right-sided EKG)
C) ST segment depression in aVR on a standard 12 lead EKG
D) ST segment depression in V3R and/or V4R (on a right-sided EKG)

A

B) ST segment elevation in V3R and/or V4R (on a right-sided EKG)

Submitted by CM

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3
Q

A 12-lead rhythm strip shows ST segment elevation in leads II, III, and aVF. There is reciprocal ST segment depression in leads I, aVL, and V2-V6. What is type of MI is this and how old is it?

A) Age Indeterminant Anterior MI
B) Acute Inferolateral MI
C) Acute Inferior MI
D) Old Anteroseptal MI

A

C) Acute Inferior MI

Submitted by CM

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4
Q

Which of the following is an example of a diuretic medication?

A) Albuterol
B) Amitriptyline
C) Hydralazine
D) Furosemide

A

D) Furosemide

Submitted by CM

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5
Q

Which of the following is an absolute contraindication to stress testing?

A) Bradyarrhythmias or tachyarrythmias
B) Moderate stenotic heart valve disease
C) Symptomatic severe aortic stenosis
D) High degree AV Block

A

C) Symptomatic severe aortic stenosis

Submitted by CM

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6
Q

Which electrolyte abnormality is evidenced by shortened ST segment which causes a short QT interval?

A) Hypocalcemia
B) Hyperkalemia
C) Hypercalcemia
D) Hypokalemia

A

C) Hypercalcemia

Submitted by MK

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7
Q

Which EKG change is not commonly seen after an Inferior MI?

A) Accelerated Junctional Rhythm
B) Bundle Branch Blocks
C) Ventricular Dysrhythmias
D) Wenckebach

A

B) Bundle Branch Blocks

Submitted by MK

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8
Q

Which of these emergency cardiac medications decreases the acidity of blood during cardiac arrest?

A) Adenosine
B) Atropine
C) Oxygen
D) Sodium Bicarbonate

A

D) Sodium Bicarbonate

Submitted by MK

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9
Q

What is the speed and incline when in stage III of the Bruce Protocol?

A) 3.4 mph, 14 degrees
B) 4.2 mph, 14 degrees
C) 3.4 mph, 12 degrees
D) 4.2 mph, 12 degrees

A

A) 3.4 mph, 14 degrees

Submitted by MK

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10
Q

A 12-lead EKG shows T wave inversion with significant Q waves in V1 and V4. Where did the MI occur and how old is it?

A) Old Anterior MI
B) Acute Anteroseptal MI
C) Age Indeterminate Anterior MI
D) Age Indeterminate Anteroseptal MI

A

D) Age Indeterminate Anteroseptal MI

Submitted by MK

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11
Q

If the S wave in V1 = 18mm and the R wave in V5 = 21mm, there is EKG evidence of

A) Right Ventricular Hypertrophy
B) Right Atrial Enlargement
C) Left Ventricular Hypertrophy
D) Posterior MI

A

C) Left Ventricular Hypertrophy

Submitted by CW (Cher)

Submitted by CW

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12
Q

You are interpreting an ECG for a patient, and you notice significant ST segment elevation in leads V2-V4, with reciprocal ST segment changes in leads II, III, and aVF. Which artery is likely to be occluded or diseased?

A) Left Anterior Descending Artery (LAD)
B) Circumflex Artery
C) Aortic Arch
D) Right Coronary Artery (RCA)

A

A) Left Anterior Descending Artery (LAD)

Submitted by CW (Cher)

Submitted by CW (Cher)

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13
Q

Which of the following medications has become the first-line medication for treatment of ventricular fibrillation and pulseless ventricular tachycardia? (It can be used to treat supraventricular arrhythmias as well.)

A) Nitroglycerin
B) Furosemide
C) Albuterol
D) Amiodarone

A

D) Amiodarone

Submitted by CW (Cher)

Submitted by CW

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14
Q

Which type of EKG takes up to 20 minutes to collect about 250 consecutive QRS complexes to analyze and average them together to uncover late potentials in order to predict the patient’s risk of Ventricular Tachycardia and Ventricular Fibrillation?

A) Exercise Stress Testing
B) Holter Monitor
C) Signal-Averaged EKG (SAEKG)
D) Resting EKG

A

C) Signal-Averaged EKG (SAEKG)

Submitted by CW (Cher)

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15
Q

When treating a STEMI, the goal of PCI (Percutaneous Coronary Intervention) is to have the patient receiving treatment in the cardiac catheterization lab how quickly after arriving at the hospital?

A) 24 hours
B) 90 minutes
C) 3 hours
D) 8 hours

A

B) 90 minutes

Submitted by CW (Cher)

Submitted by CW

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16
Q

Atropine _________the heart rate.

a. Decreases
b. Steadies
c. Increases
d. Does not affect

A

C) Increases

VS

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17
Q

The circumflex coronary artery supplies the lateral wall of the ______ _________.

a. Left ventricle
b. Right ventricle
c. Left atrium
d. Right atrium

A

A) Left Ventricle

VS

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18
Q

If the QRS complexes in Leads I and aVF are both negative, the axis quadrant is considered

a. Normal
b. Indeterminate
c. Right axis deviation
d. Left axis deviation

A

B) Indeterminate

VS

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19
Q 
Common medications used for a pharmacologic stress test include all of the following except:
A. Dipyridamole
B. Adenosine
C. Regadenoson
D. Dopamine
A

D) Dopamine

VS

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20
Q 
What is NOT a cause of axis deviation?
A. Ventricular Hypertrophy
B. Bundle Branch Block
C. Normal Variant
D. Myocardial Infarction
E. All of the above can cause axis deviation
A

E) All of the above

VS

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21
Q 
Patient presents with a RBBB with RAD. There is a small R and a deep S in lead I and a small Q and a big R in III. Is the a hemiblock present, if so what type?
A. LPHB
B. LAD
C. LAHB
D. None
A

A. LPHB

MC

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22
Q 
Indicative changes in leads V2-V4 indicate what type of MI?
A. Posterior MI
B. Lateral MI
C. Anterior MI
D.) Septal MI
A

C.) Anterior MI

MC

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23
Q 
What medications are used to treat and prevent arrhythmias?
A. Beta Blockers
B. Antiarrhythmics
C. Potassium channel blockers 
D. Calcium channel blockers
A

B. Antiarrhythmics

MC

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24
Q 
End of QRS variations that can predict possible ventricular arrhythmias are called what?
A. Late Potentials 
B. Prolonged QT
C. Ventricular Static
D. Action Potentials
A

A. Late potentials

MC

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25
Q 
What miscellaneous effect indicating high potassium in the blood stream and causes tall, pointy, narrow T waves on an EKG?
A. Hypercalcemia 
B. Hyopcalcemia 
C. Digitalis effect
D. Hyperkalemia
A

D. Hyperkalemia

MC

26
Q 
If the QRS in lead I is negative and lead AVF is positive, the axis quadrant is considered 
A.)	Normal Axis
B.)	Indeterminate
C.)	Left axis deviation
D.)	Right axis deviation
A

D. Right axis deviation

JO

27
Q 
When determining the age of MI, what makes it indeterminate? 
A.)	ST segment elevation
B.)	One or two days old
C.)	T wave upright
D.)	Inverted T wave
A

D. Inverted T wave

JO

28
Q 
What is NOT considered a miscellaneous effects?
A.)	Hyperkalemia
B.)	Ischemia
C.)	Digitalis effect
D.)	Hypocalcemia
A

B. Ischemia

JO

29
Q 
What is NOT considered Class1C? 
A.)	Quinidine
B.)	Propafenon
C.)	Tambocor
D.)	Rhythmol
A

A. Quinidine

JO

30
Q

What is NOT considered as an absolute contraindication?
A.) Suspected or known dissecting aneurysm
B.) Left Main Coronary Stenosis
C.) Acute myocarditis or pericarditis
D.) Unstable Angina

A

B. Left Main Coronary Stenosis

JO

31
Q 
When a postmenopausal woman complains of fatigue or shortness of breath she could be experiencing :
A. Women's anginal equivalent
B. exhaustian
C. Hyperkalemia
D. LAD
A

A. Women’s anginal equivalent

submitted by LG

32
Q

All of the following cause low voltage EKG’s except:

A. Pericardial effusion

B. Emphysema

C. Obesity

D. Hypokalemia

A

D. Hypokalemia

Submitted by LG

33
Q

When a pacemaker malfunctions and no pacer spikes are noted on the EKG, that is called:

A. Loss of capture

B. Failure to fire

C. Undersensing

D. Loss of sensing

A

B. Failure to fire

submitted by LG

34
Q

A 45 year old women tested positive for a stress test, but had a negative angiogram. This means the stress test is categorized as:

A. True positive

B. False positive

C. True negative

D. False negative

A

B. False positive

submitted by LG

35
Q 
Lead II, lead III, and lead aVF have ST elevation. This indicates:
A. Inferior MI 
B. Anterolateral MI
C. Anterior MI
D. Lateral MI
A

A. Inferior MI

Submitted by LG

36
Q

The QRS on the EKG is .18 sec in duration and there is an RSR’ appearance in lead V1, what do you suspect?

A. Nothing, this is a normal QRS length and appearance
B. LBBB
C. RBBB
D. Septal MI

A

C. RBBB

Submitted by MA

37
Q

The Right Coronary Artery supplies which walls of the heart? (select all the apply)

A. Inferior
B. Posterior
C. Anterior
D. Lateral

A

A and B

Submitted by MA

38
Q

Pericarditis is characterized by ST elevation appearing how?

A. Horizontal
B. Convex
C. Concave
D. Spiked

A

B. Concave

Submitted by MA

39
Q

The EKG shows a P wave duration of .16 sec with two humps (bimodal), this is characteristic of what?

A. Right Atrial Enlargement
B. Left Fasicular Hemi-Block
C. Left Arial Enlargement
D. Atrial Fibrillation

A

C. Left Atrial Enlargement

Submitted by MA

40
Q

The EKG shows a very short PR interval, short QRS, and a delta wave (early slurred upslope to the QRS), this is indicative of what?

A. RBBB
B. Tachycardia
C. Wolf Parkinson White Syndrome
D. MI

A

C. Wolf Parkinson White Syndrome

Submitted by MA

41
Q

What ECG changes indicate hyperkalemia?

A. Prominent U waves, flattened T waves
B. Shortened ST segment causing short QT interval
C. Tall, pointy, narrow T waves
D. Prolonged ST segment causing prolonged QT

A

C. Tall, pointy, narrow T waves

Submitted by EL

42
Q

Old age of myocardial tissue is determined by:

A. T wave inversion
B. Significant Q waves only
C. Marked ST elevation and upright T wave
D. Significant Q, ST elevation and upright T

A

B. Significant Q waves only

Submitted by EL

43
Q

What is the common cause of Left Ventricular Hypertrophy?

A. Hypertension
B. Chronic lung disease
C. Obesity
D. Diabetes

A

A. Hypertension

Submitted by EL

44
Q

For the stress EKG to show any diagnostic changes that indicate CAD, the coronary artery must be at least______ narrowed.

A. 50%
B. 30%
C. 90%
D. 75%

A

D. 75%

Submitted by EL

45
Q

Which medication directly causes vasodilation, especially in the coronary arteries?

A. Dopamine
B. Nitroglycerin
C. Insulin
D. Epinephrine

A

B. Nitroglycerin

Submitted by EL

46
Q

When identifying a posterior wall MI, what do we look at?

A. Leads 2,3, and aVF
B. Precordial leads
C. Reciprocal changes in V1 and V2
D. Leads 1, aVL, V5, V6

A

C. Reciprocal changes in V1 and V2

Submitted by VV

47
Q

A patient with physical limitations is given Regadenoson. What kind of test is being done?

A. MUGA
B. Nuclear Stress Test
C. Stress echo
D. Pharmacologic Stress Test

A

D. Pharmacologic Stress Test

Submitted by VV

48
Q

Patient with heart failure says he is taking a medication to increase his urine output. You notice his EKG is tachycardic at rest and he mentions he feels dehydrated. What kind of medication is he taking?

A. Bronchodilators
B. Nitrates
C. Diuretics
D. Vasodilator

A

C. Diuretics

Submitted by VV

49
Q

To have a Left Axis Deviation, the QRS on Lead 1 and aVF must be:

A. Positive in Lead 1, negative in Lead aVF
B. Negative in Lead 1, negative in Lead aVF
C. Positive in Lead 1, positive in Lead aVF
D. Negative in Lead 1, positive in Lead aVF

A

A. Positive in lead 1, negative in lead aVF

Submitted by VV

50
Q

What is not a criteria for hypertrophy?

A. QRS duration < 0.12 secs
B. Patient shows symptoms
C. Ventricular hypertrophy is usually a result of disease
D. < 5mm of amplitude in limb leads

A

B. Patient shows symptoms

Submitted by VV

51
Q

What is the characteristic seen with bundle branch blocks?

A. Inverted T wave
B. Prolonged PR interval ( > .20s)
C. Widened QRS ( > .12s)
D. Widened QRS ( > .20s)

A

C. Widened QRS ( > .12s)

Submitted by KM

52
Q

What are the normal transition zone in the precordial leads?

A. V3 - V4
B. V1 - V2
C. V5 - V6
D. aVL - aVF

A

A. V3 - V4

Submitted by KM

53
Q

What is the EKG characteristic seen with Hypercalcemia?

A. Prolonged ST segment causing prolonged QT interval
B. Wide QRS complex
C. Tall, pointy T waves
D. Shortened ST segment causing short QT interval

A

D. Shortened ST segment causing short QT interval

Submitted by KM

54
Q

What is the physiological effect of beta-blockers?

A. Increase heart rate
B. Decrease heart rate
C. Decrease calcium influx
D. Decrease potassium influx

A

B. Decrease heart rate

Submitted by KM

55
Q

In a positive stress test, which ST depression is the most indicative of CAD?

A. Upsloping
B. Horizontal
C. Downsloping
D. J point

A

C. Downsloping

Submitted by KM

56
Q 
EKG demonstrates RAD and in V1 the an R wave 5mm tall and S wave 4 mm deep. The QRS duration is normal. This is
A. RAD Only
B. RBBB
C. RVH
D. LVH
A

C. RVH

ch13
Submitted by AG

57
Q 
a NSTEMI affects what portion of the heart?
A. endocardium 
B. Pericardium 
C. Myocardium 
D. Endocardium and Myocardium
A

A. Endocardium

Ch14
Submitted by AG

58
Q

Which describes the Digitalis effect in a EKG?
A. tall, point narrow T
B. Wide QRS complex
C. Shortend ST segment causing short QT
D. Sagging ST segment, prolonged PR interval

A

D. Sagging ST segment, prolonged PR interval

Ch15
Subitted AG

59
Q 
What drug(s) have fallen out of favor do to causing ventricular arrhythmia?
A. Quinidine 
B. Flecainide
C. Propafenone
D. All of the above
A

D. all of the above

Ch16
Submitted AG

60
Q 
What is a suboptimal Double Product during stress testing? (Choose all that apply)
A. 25,000
B. 10,000
C. 30,000
D. 20,000
A

B,D

Ch 17
Submitted AG

DCS 102 - Electrocardiography II (4 decks)

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