Question 1

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if ventricular depolarization precedes atrial depolarization?

Accepted Answer

A)  Before the QRS complex 
B)  During the QRS complex 
C)  After the QRS complex 
A)  Before the QRS complex 
B)  During the QRS complex 
C)  After the QRS complex

Question 2

How are frequent PACs usually managed?

Accepted Answer

A)  Defibrillation 
B)  Synchronized cardioversion 
C)  Correcting the underlying cause 
D)  Administration of medications such as atropine or epinephrine 
A)  Defibrillation 
B)  Synchronized cardioversion 
C)  Correcting the underlying cause 
D)  Administration of medications such as atropine or epinephrine

Question 3

What is a biphasic waveform?

Accepted Answer

A biphasic waveform is partly

Question 4

Two conditions must exist to suspect bundle branch block.First,the QRS complex must have an abnormal duration (0.12 seconds or more in width),and second _____.

Accepted Answer

A)  an RSR' complex must be seen in leads V1-V6 
B)  a QS pattern must be seen in leads I,II,and III 
C)  a slurred upstroke of the QRS complex must exist 
D)  the QRS complex must arise as the result of supraventricular activity 
A)  an RSR' complex must be seen in leads V1-V6 
B)  a QS pattern must be seen in leads I,II,and III 
C)  a slurred upstroke of the QRS complex must exist 
D)  the QRS complex must arise as the result of supraventricular activity

Question 5

On an ECG,what is the first negative deflection seen after the P wave?

Accepted Answer

A)  Q wave 
B)  R wave 
C)  S wave 
D)  T wave 
A)  Q wave 
B)  R wave 
C)  S wave 
D)  T wave

Question 6

Signs and symptoms experienced during a tachydysrhythmia are usually primarily related to _____.

Accepted Answer

A)  atrial irritability 
B)  vasoconstriction 
C)  slowed conduction through the AV node 
D)  decreased ventricular filling time and stroke volume 
A)  atrial irritability 
B)  vasoconstriction 
C)  slowed conduction through the AV node 
D)  decreased ventricular filling time and stroke volume

Question 7

Atrial fibrillation is characterized by _____.

Accepted Answer

A)  an erratic,wavy baseline and irregular ventricular rhythm 
B)  "saw-tooth"- or "picket-fence"-shaped waveforms preceding each QRS 
C)  one P wave before each QRS and a regular ventricular rate of 60 to 100 beats/min 
D)  P waves occurring before,during,or after the QRS complex; when seen,they are inverted 
A)  an erratic,wavy baseline and irregular ventricular rhythm 
B)  "saw-tooth"- or "picket-fence"-shaped waveforms preceding each QRS 
C)  one P wave before each QRS and a regular ventricular rate of 60 to 100 beats/min 
D)  P waves occurring before,during,or after the QRS complex; when seen,they are inverted

Question 8

Tall,peaked T waves observed on the ECG are most commonly seen in patients with _____.

Accepted Answer

A)  hypokalemia 
B)  hyponatremia 
C)  hyperkalemia 
D)  hypernatremia 
A)  hypokalemia 
B)  hyponatremia 
C)  hyperkalemia 
D)  hypernatremia

Question 9

The inferior surface of the left ventricle is supplied by the _____ coronary artery in most of the population.

Accepted Answer

A)  left 
B)  right 
A)  left 
B)  right

Question 10

Which of the following correctly describes multifocal atrial tachycardia?

Accepted Answer

A)  The atrial rhythm is regular. 
B)  The ventricular rhythm is irregular. 
C)  The atrial and ventricular rhythms are regular. 
D)  The atrial and ventricular rhythms are irregular. 
A)  The atrial rhythm is regular. 
B)  The ventricular rhythm is irregular. 
C)  The atrial and ventricular rhythms are regular. 
D)  The atrial and ventricular rhythms are irregular.

Question 11

Which of the following leads are anatomically contiguous?

Accepted Answer

A)  II,V2 
B)  II,III,V3 
C)  I,V3,V4 
D)  V2,V3,V4 
A)  II,V2 
B)  II,III,V3 
C)  I,V3,V4 
D)  V2,V3,V4

Question 12

Each small box on ECG paper represents _____ seconds.

Accepted Answer

The answer of Each small box on ECG paper represents...

Question 13

Individuals with preexcitation syndrome are predisposed to tachydysrhythmias.

Accepted Answer

A) True 
 B)False

Question 14

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of _____,_____,and _____.

Accepted Answer

ischemia;

Question 15

In most ECG leads,a normal Q wave is less than 0.04 seconds in duration and less than one-third of the amplitude of the R wave in that lead.

Accepted Answer

A) True 
 B)False

Question 16

Leads V4R,V5R,and V6R are used to view the posterior wall of the left ventricle.

Accepted Answer

A) True 
 B)False

Question 17

The point where the QRS complex and ST segment meet is called the ST junction or the J point.

Accepted Answer

A) True 
 B)False

Question 18

The term acute coronary syndromes refers to patients presenting with ischemic chest pain.

Accepted Answer

A) True 
 B)False

Question 19

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Accepted Answer

The answer of A QRS measuring 0.10 to 0.12 seconds...

Question 20

Which of the following are chest leads?

Accepted Answer

A)  Leads I,II,and III 
B)  Leads I and aVL 
C)  Leads V1,V2,V3,V4,V5,and V6 
D)  Leads I,II,III,aVR,aVL,and aVF 
A)  Leads I,II,and III 
B)  Leads I and aVL 
C)  Leads V1,V2,V3,V4,V5,and V6 
D)  Leads I,II,III,aVR,aVL,and aVF

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if ventricular depolarization precedes atrial depolarization?

How are frequent PACs usually managed?

What is a biphasic waveform?

Two conditions must exist to suspect bundle branch block.First,the QRS complex must have an abnormal duration (0.12 seconds or more in width),and second _____.

On an ECG,what is the first negative deflection seen after the P wave?

Signs and symptoms experienced during a tachydysrhythmia are usually primarily related to _____.

Atrial fibrillation is characterized by _____.

Tall,peaked T waves observed on the ECG are most commonly seen in patients with _____.

The inferior surface of the left ventricle is supplied by the _____ coronary artery in most of the population.

Which of the following correctly describes multifocal atrial tachycardia?

Which of the following leads are anatomically contiguous?

Each small box on ECG paper represents _____ seconds.

Individuals with preexcitation syndrome are predisposed to tachydysrhythmias.

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of ___,_,and ___.

In most ECG leads,a normal Q wave is less than 0.04 seconds in duration and less than one-third of the amplitude of the R wave in that lead.

Leads V₄R,V₅R,and V₆R are used to view the posterior wall of the left ventricle.

The point where the QRS complex and ST segment meet is called the ST junction or the J point.

The term acute coronary syndromes refers to patients presenting with ischemic chest pain.

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Which of the following are chest leads?

Anatomy and Physiology

Basic Electrophysiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Filters

Exam 10: Post-Test

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if ventricular depolarization precedes atrial depolarization?

How are frequent PACs usually managed?

What is a biphasic waveform?

Two conditions must exist to suspect bundle branch block.First,the QRS complex must have an abnormal duration (0.12 seconds or more in width),and second _____.

On an ECG,what is the first negative deflection seen after the P wave?

Signs and symptoms experienced during a tachydysrhythmia are usually primarily related to _____.

Atrial fibrillation is characterized by _____.

Tall,peaked T waves observed on the ECG are most commonly seen in patients with _____.

The inferior surface of the left ventricle is supplied by the _____ coronary artery in most of the population.

Which of the following correctly describes multifocal atrial tachycardia?

Which of the following leads are anatomically contiguous?

Each small box on ECG paper represents _____ seconds.

Individuals with preexcitation syndrome are predisposed to tachydysrhythmias.

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of _____,_____,and _____.

In most ECG leads,a normal Q wave is less than 0.04 seconds in duration and less than one-third of the amplitude of the R wave in that lead.

Leads V4R,V5R,and V6R are used to view the posterior wall of the left ventricle.

The point where the QRS complex and ST segment meet is called the ST junction or the J point.

The term acute coronary syndromes refers to patients presenting with ischemic chest pain.

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Which of the following are chest leads?

Anatomy and Physiology

Basic Electrophysiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Filters

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of ___,_,and ___.

Leads V₄R,V₅R,and V₆R are used to view the posterior wall of the left ventricle.