Jake Anderson
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paramedic Cardiology Quiz on Quiz - Cardiology #1 (Practice Quiz), created by Jake Anderson on 23/05/2023.

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Jake Anderson
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Quiz - Cardiology #1 (Practice Quiz)

Question 1 of 25

1

According to current​ estimates, how many Americans have some form of cardiovascular disease​ (CVD)?

Select one of the following:

  • ​>80 million

  • ​>20 million

  • >40 million

  • >60 million

Explanation

Question 2 of 25

1

Which of the following factors that contributes to cardiovascular disease​ (CVD) is not the result of lifestyle​ choices?

Select one of the following:

  • Obesity

  • Family genetics

  • Type A personality

  • Smoking

Explanation

Question 3 of 25

1

What form of cardiovascular disease​ (CVD) is the single largest killer of Americans each​ year?

Select one of the following:

  • Peripheral vascular disease

  • Cerebral vessel disease

  • Coronary artery disease​ (CAD)

  • Renal artery disease

Explanation

Question 4 of 25

1

Long QT syndrome​ , also called prolonged QT​ syndrome, is a group of disorders that increases the risk for sudden death from an arrhythmia slightly more common​ in:

Select one of the following:

  • women

  • chronic drug abusers.

  • men

  • the elderly.

Explanation

Question 5 of 25

1

The two superior chambers of the heart are the​ _____ and they​ _____.

Select one of the following:

  • ​ventricles, pump to the atria

  • atria, pump blood to the ventricles

  • ventricles, receive blood from throughout the body

  • atria, pump throughout the bodies

Explanation

Question 6 of 25

1

The vascular system and the tissues are able to exchange​ gases, fluids, and nutrients through the very​ thin:

Select one of the following:

  • capillary walls.

  • venules

  • alveoli

  • arterioles

Explanation

Question 7 of 25

1

Intraventricular pressures are higher on the left than on the right​ because:

Select one of the following:

  • the systemic circulation offers less resistance to blood flow than the lungs

  • the right ventricle is a larger muscle mass than the left ventricle.

  • it is harder to pump blood through the aortic valve.

  • the lungs offer less resistance to blood flow than the systemic circulation.

Explanation

Question 8 of 25

1

The first sound auscultated​ (S1) when listening to heart sounds occurs during which of the following​ events?

Select one of the following:

  • Ventricular diastole

  • Opening of the atrioventricular​ (AV) valves

  • Ventricular systole

  • Closing of the semilunar valves

Explanation

Question 9 of 25

1

The three types of electrocardiogram​ (ECG) leads are​ bipolar, augmented,​ and:

Select one of the following:

  • implanted.

  • central.

  • tripolar

  • precordial

Explanation

Question 10 of 25

1

Which of the following is a cause for artifact appearing on the electrocardiogram​ (ECG)?

Select one of the following:

  • A patient placed supine

  • Loose​ electrodes/wires

  • Chamber enlargement

  • Quivering of the ventricles

Explanation

Question 11 of 25

1

The most common electrocardiogram​ (ECG) leads used for monitoring​ are:

Select one of the following:

  • aVF or v1.

  • lead I or lead III.

  • lead II or the modified chest lead 1​ (MCL1).

  • aVL and lead I.

Explanation

Question 12 of 25

1

When an impulse is traveling away from a positive​ electrode, this will appear as a wave on the electrocardiogram​ (ECG) tracing in which​ direction?

Select one of the following:

  • Null

  • Isoelectric

  • Upward

  • Downward

Explanation

Question 13 of 25

1

When looking at an electrocardiogram​ (ECG), the P wave is representative of​ what?

Select one of the following:

  • Sinus node discharge

  • Ventricular depolarization

  • Conduction through the atrioventricular​ (AV) node

  • Atrial depolarization

Explanation

Question 14 of 25

1

The total duration of ventricular depolarization is known as​ the:

Select one of the following:

  • PR interval.

  • QT interval.

  • QRS interval.

  • corrected QT interval.

Explanation

Question 15 of 25

1

While it can be present in cases of​ hypokalemia, this wave can also be a normal and nonpathological electrocardiogram​ (ECG) characteristic.

Select one of the following:

  • Absent P wave

  • Long​ P-R interval

  • Peaked T wave

  • U wave

Explanation

Question 16 of 25

1

When looking to determine the particular amplitude of an electrocardiogram​ (ECG) waveform, the paramedic should evaluate what aspect of the printed ECG​ strip?

Select one of the following:

  • Length of the waveform

  • Amplitude cannot be determined by evaluating the waveform

  • Morphology of the waveform

  • Height of the waveform

Explanation

Question 17 of 25

1

If a patient has a PR interval that is 7 mm​ (7 small​ boxes) in​ duration, what can be said about the overall electrocardiogram​ (ECG)?

Select one of the following:

  • There is heightened conductivity between the atria and ventricles.

  • The Purkinje fibers are not conducting properly.

  • The SA node is failing to discharge.

  • There is a conduction delay in the atrioventricular​ (AV) node.

Explanation

Question 18 of 25

1

A phasic variation of the​ R-R interval that is related to the respiratory cycle and changes in intrathoracic pressure produces which of the following rhythms on the electrocardiogram​ (ECG)?

Select one of the following:

  • Sinus bradycardia

  • Sinus arrhythmia

  • Sinus block

  • Sinus arrest

Explanation

Question 19 of 25

1

When a patient experiences a sudden increase in cholinergic tone or has intrinsic SA node​ disease, this may lead to the development of which of the following ECG​ rhythms?

Select one of the following:

  • Supraventricular tachycardia

  • Atrial fibrillation

  • Sinus bradycardia

  • Wandering atrial pacemaker​ (WAP)

Explanation

Question 20 of 25

1

The electrocardiogram​ (ECG) rhythm you see is a​ regular, narrow-complex rhythm that has 1 upright P wave for every QRS​ complex; QRS complexes measure 0.08​ seconds, and the PR interval is 0.16​ seconds; heart rate is 140​ beats/minute. Which of the following best labels this​ rhythm?

Select one of the following:

  • Ventricular tachycardia

  • Normal sinus rhythm

  • Junctional tachycardia

  • Sinus tachycardia

Explanation

Question 21 of 25

1

What mechanism of abnormal impulse formation is responsible for sustaining rapid rhythms such as paroxysmal supraventricular​ tachycardia?

Select one of the following:

  • Excitability

  • Ectopic

  • Automaticity

  • Reentry

Explanation

Question 22 of 25

1

When evaluating an electrocardiogram​ (ECG), you note that in lead III the QRS complex duration is 0.16 seconds. What does this finding​ imply?

Select one of the following:

  • Delayed conduction through the atrioventricular​ (AV) node and bundle branches

  • Normality

  • Delayed conduction through the ventricular conduction system

  • Enhanced conduction from the SA node to the Purkinje fibers

Explanation

Question 23 of 25

1

You are looking at an electrocardiogram​ (ECG) that displays normal P waves at​ 80/min with a​ 1:1 relationship with the​ QRS, a PRI with a 0.24 second​ conduction, and the width of the QRS is 0.14 seconds. The T wave is positively deflected. What is the most likely name of this​ rhythm?

Select one of the following:

  • Normal sinus rhythm

  • Sinus rhythm with a Mobitz I heart block

  • Normal sinus rhythm with evidence of myocardial ischemia

  • Sinus rhythm with a​ first-degree atrioventricular​ (AV) block and a bundle branch block

Explanation

Question 24 of 25

1

You are managing a patient who has a supraventricular tachycardia​ (SVT) rhythm at a rate of​ 260/min. Which of the following best describes the​ rhythm's effect on the​ patient's hemodynamic​ status?

Select one of the following:

  • It results in peripheral vasodilation.

  • There will be an increase in coronary artery perfusion.

  • The rapid rate will result in myocardial infarction.

  • This results in decreased cardiac output.

Explanation

Question 25 of 25

1

How many people in the United States are estimated to have​ hypertension?

Select one of the following:

  • 50 million

  • 500 million

  • 150 million

  • 5 million

Explanation

Question 26 of 25

1

What form of cardiovascular disease is the single largest killer of Americans each​ year?

Select one of the following:

  • Renal artery disease

  • Coronary artery disease

  • Peripheral vascular disease

  • Cerebral vessel disease

Explanation

Question 27 of 25

1

Which of the following factors that contributes to CVD is not the result of lifestyle​ choices?

Select one of the following:

  • Obesity

  • Family genetics

  • Smoking

  • Type A personality

Explanation

Question 28 of 25

1

Which of the following is NOT thought​ to, or proven​ to, increase the risk of cardiovascular​ disease?

Select one of the following:

  • Oral contraceptives

  • Obesity

  • Type A personality

  • Hypocholesterolemia

Explanation

Question 29 of 25

1

Which of the following risk factors are thought to increase the risk of cardiovascular​ disease?

Select one of the following:

  • Older age

  • Male gender

  • Smoking

  • Poor diet

Explanation

Question 30 of 25

1

Which of the following is a modifiable risk factor for developing cardiovascular​ disease?

Select one of the following:

  • Hypertension

  • Male gender

  • Family history

  • Older age

Explanation

Question 31 of 25

1

Which one of the following patients is most susceptible to developing cardiovascular​ disease?

Select one of the following:

  • A​ 64-year-old male,​ three-pack-per-day smoker

  • A​ 29-year-old female recreational smoker

  • A​ 19-year-old male with type A personality

  • A​ 40-year-old female taking oral contraceptives

Explanation

Question 32 of 25

1

Which of the following patients is least likely to develop cardiovascular​ disease, compared to the​ others?

Select one of the following:

  • ​44-year-old male smoker and cocaine abuser

  • 50-year-old male with chronic hypertension

  • 38-year-old obese female with type 1 diabetes

  • 25-year-old female taking birth control pills

Explanation

Question 33 of 25

1

The two superior chambers of the heart are the ____________________and they ___________.

Select one of the following:

  • ​atria, pump blood to the ventricles

  • atria, pump throughout the bodies

  • ventricles, receive blood from throughout the body

  • ventricles, pump to the atria

Explanation

Question 34 of 25

1

The two major components of the cardiovascular system are​ the:

Select one of the following:

  • heart and blood.

  • heart and peripheral blood vessels.

  • heart and lungs.

  • central and peripheral blood vessels.

Explanation

Question 35 of 25

1

The vascular system and the tissues are able to exchange​ gases, fluids, and nutrients through the very​ thin:

Select one of the following:

  • alveoli

  • arterioles

  • venules

  • capillary walls.

Explanation

Question 36 of 25

1

Intracardiac pressures are higher on the left than on the right because

Select one of the following:

  • it is harder to pump blood through the aortic valve.

  • the lungs offer less resistance to blood flow than the systemic circulation.

  • the systemic circulation offers less resistance to blood flow than the lungs.

  • the right ventricle is a larger muscle mass than the left ventricle.

Explanation

Question 37 of 25

1

The first sound auscultated ​(S Subscript 1​) when listening to heart sounds occurs during which of the following​ events?

Select one of the following:

  • Ventricular systole

  • Atrial systole

  • Increased atrial contraction

  • Ventricular diastole

Explanation

Question 38 of 25

1

The three types of ECG leads are​ bipolar, augmented, and

Select one of the following:

  • tripolar

  • central

  • implanted

  • precordial

Explanation

Question 39 of 25

1

Which of the following is a cause for artifact appearing on the​ ECG?

Select one of the following:

  • A patient placed supine

  • Loose​ electrodes/wires

  • Quivering of the ventricles

  • Chamber enlargement

Explanation

Question 40 of 25

1

The most common ECG leads used for monitoring​ are:

Select one of the following:

  • lead I or lead III.

  • aVL and lead I.

  • lead II or the modified chest lead 1​ (MCL1).

  • aVF or v1.

Explanation

Question 41 of 25

1

According to​ Einthoven's triangle, lead I is characterized​ by:

Select one of the following:

  • left arm​ positive, right arm negative.

  • right arm​ positive, left arm negative.

  • left leg​ positive, left arm negative.

  • Left leg​ positive, right arm negative.

Explanation

Question 42 of 25

1

When an impulse is traveling toward a negative​ electrode, this will appear as​ a(n) _________ deflection on the ECG.

Select one of the following:

  • upward

  • downward

  • positive

  • isoelectric

Explanation

Question 43 of 25

1

From the ECG​ graph, 1 small box​ =

Select one of the following:

  • 1.0 sec.

  • 0.04 sec.

  • 0.20 sec.

  • 0.01 sec.

Explanation

Question 44 of 25

1

When looking at an​ ECG, the P wave is representative of​ what?

Select one of the following:

  • Ventricular depolarization

  • Conduction through the AV node

  • Atrial depolarization

  • Sinus node discharge

Explanation

Question 45 of 25

1

The total duration of ventricular depolarization is known as​ the:

Select one of the following:

  • QRS interval.

  • corrected QT interval.

  • QT interval.

  • PR interval.

Explanation

Question 46 of 25

1

While it can be present in cases of​ hypokalemia, this wave can also be a normal and​ non-pathological ECG​ characteristic:

Select one of the following:

  • Absent P wave

  • Long​ P-R interval

  • U wave

  • Peaked T wave

Explanation

Question 47 of 25

1

When looking to determine the particular amplitude of an ECG​ waveform, the paramedic should evaluate what aspect of the printed ECG​ strip?

Select one of the following:

  • Morphology of the waveform

  • Length of the waveform

  • Amplitude cannot be determined by evaluating the waveform

  • Height of the waveform

Explanation

Question 48 of 25

1

Which of the following ECG lines is disturbed by myocardial​ infarction?

Select one of the following:

  • QRS interval

  • QT interval

  • ST segment

  • PR interval

Explanation

Question 49 of 25

1

If a patient has a PR interval that is 7 mm​ (7 small​ boxes) in​ duration, what can be said about the overall​ ECG?

Select one of the following:

  • The SA node is failing to discharge.

  • There is a conduction delay in the AV node.

  • The Purkinje fibers are not conducting properly.

  • There is heightened conductivity between the atria and ventricles.

Explanation

Question 50 of 25

1

A phasic variation of the​ R-R interval that is related to the respiratory cycle and changes in intrathoracic pressure produces which of the following rhythms on the​ ECG?

Select one of the following:

  • Sinus arrest

  • Sinus block

  • Sinus bradycardia

  • Sinus arrhythmia

Explanation

Question 51 of 25

1

The ECG monitor shows the​ following: no​ rate, no​ rhythm, P waves that are regular in​ spacing, no QRS complexes. What would you call this​ rhythm?

Select one of the following:

  • Cardiac standstill

  • Ventricular fibrillation

  • Idioventricular rhythm

  • Artificial pacemaker

Explanation

Question 52 of 25

1

If the patient is displaying a normal sinus rhythm in lead​ II, which of the following statements would be​ true?

Select one of the following:

  • The P to T wave interval should be​ >30 small boxes.

  • The QRS width should be 4 mm.

  • The​ R-R duration should be regular.

  • The T wave should be negatively deflected.

Explanation

Question 53 of 25

1

A tracing that you see on the ECG monitor has no discernible P​ waves, QRS width of 0.08​ seconds, a ventricular rate between 64 and​ 82, and has an​ irregular rhythm to it. What would you call this​ rhythm?

Select one of the following:

  • Ventricular fibrillation

  • Atrial fibrillation

  • Ventricular tachycardia

  • Atrial flutter

Explanation

Question 54 of 25

1

When a patient experiences a sudden increase in cholinergic tone or has intrinsic SA node​ disease, this may lead to the development of which of the following ECG​ rhythms?

Select one of the following:

  • Wandering atrial pacemaker

  • Sinus bradycardia

  • Atrial fibrillation

  • Supraventricular tachycardia

Explanation

Question 55 of 25

1

The ECG rhythm you see is a​ regular, narrow-complex rhythm that has 1 upright P wave for every QRS​ complex; QRS complexes measure 0.08​ seconds, and the PR interval is 0.16​ seconds; heart rate is 140​ beats/minute. Which of the following best labels this​ rhythm?

Select one of the following:

  • Junctional tachycardia

  • Sinus tachycardia

  • Normal sinus rhythm

  • Ventricular tachycardia

Explanation

Question 56 of 25

1

What is the best explanation of an ECG tracing that shows progressive changes in the morphology of the P wave from beat to beat in at least 3 consecutive​ beats?

Select one of the following:

  • Rapid reentry into an atrial circuit and the AV node that is associated with organic heart disease

  • Multiple areas of reentry within the atria or multiple ectopic foci bombarding the AV node

  • Passive transfer of pacemaker sites from the sinus node to other latent pacemaker sites in the atria and AV junction

  • A single electrical impulse originating in the atria outside the SA​ node, causing premature depolarization

Explanation

Question 57 of 25

1

What mechanism of abnormal impulse formation is responsible for sustaining rapid rhythms such as paroxysmal supraventricular​ tachycardia?

Select one of the following:

  • Excitability

  • Reentry

  • Ectopic

  • Automaticity

Explanation

Question 58 of 25

1

When evaluating an​ ECG, you note that in lead III the QRS complex duration is 0.16 seconds. What does this finding​ imply?

Select one of the following:

  • Enhanced conduction from the SA node to the Purkinje fibers

  • Delayed conduction through the AV node and bundle branches

  • Normality

  • Delayed conduction through the ventricular conduction system

Explanation

Question 59 of 25

1

Looking at an ECG​ strip, you count 14 QRS complexes in two​ 3-second marks. Your estimate for the heart rate would​ be:

Select one of the following:

  • 84

  • 70

  • 140

  • 42

Explanation

Question 60 of 25

1

Which of the following is likely to result in​ bradycardia?

Select one of the following:

  • Sepsis

  • Increased sympathetic tone

  • Normal finding in​ healthy, well-conditioned persons

  • Parasympatholytic drugs

Explanation

Question 61 of 25

1

Which of the following is TRUE regarding ventricular​ tachycardia?

Select one of the following:

  • Ventricular tachycardia cannot ever produce a palpable carotid pulse.

  • Ventricular tachycardia is caused when the atria fire before the ventricles.

  • Ventricular tachycardia can be triggered by a PVC firing in the relative refractory period.

  • Ventricular tachycardia always has a rate that is higher than 150​ beats/minute.

Explanation

Question 62 of 25

1

You are looking at an ECG that displays normal P waves at​ 80/min with a​ 1:1 relationship with the​ QRS, a PRI with a 0.24 second​ conduction, and the width of the QRS is 0.14 seconds. The T wave is positively deflected. What is the most likely name of this​ rhythm?

Select one of the following:

  • Normal sinus rhythm with evidence of myocardial ischemia

  • Sinus rhythm with a​ first-degree AV block and a bundle branch block

  • Normal sinus rhythm

  • Sinus rhythm with a Mobitz I heart block

Explanation

Question 63 of 25

1

You are managing a patient that has an SVT rhythm at a rate of​ 260/min. Which of the following best describes the​ rhythm's effect on the​ patient's hemodynamic​ status?

Select one of the following:

  • This results in decreased cardiac output.

  • The rapid rate will result in myocardial infarction.

  • It results in peripheral vasodilation.

  • There will be an increase in coronary artery perfusion.

Explanation

Question 64 of 25

1

The ECG shows an irregular ventricular rhythm at a rate of​ 58; there are more P waves than QRS​ complexes; QRS width is 0.10 and the PR interval is constant for the conducted beats at a length of 0.20 seconds. What is this​ rhythm?

Select one of the following:

  • First degree AV block

  • Second degree Type 2 AV block

  • Second degree Type 1 block

  • Third degree AV block

Explanation

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