Question 1

Complete the following chart:
 $$\begin{array} { | l | c | c | c } 
\hline \text { Leead } & \begin{array} { c } 
\text { Positive } \
\text { Electrode }
\end{array} & \begin{array} { c } 
\text { Negative } \
\text { Electrode }
\end{array} & \begin{array} { c } 
\text { Heart Surface } \
\text { Viewed }
\end{array} \
\hline \text { Lead I } & & & \
\hline \text { Lead II } & & & \
\hline \text { Lead III } & & & \
\hline
\end{array}$$

Accepted Answer

$$\begin{array} { | l | l | l | l | } 
\hline \text { Leead } & \begin{array} { c } 
\text { Positive } \
\text { Electrode }
\end{array} & \begin{array} { c } 
\text { Negative } \
\text { Electrode }
\end{array} & \begin{array} { c } 
\text { Heart Surface } \
\text { Viewed }
\end{array} \
\hline \text { Lead I } & \text { Left arm } & \text { Right arm } & \text { Lateral } \
\hline \text { Lead II } & \text { Left leg } & \text { Right arm } & \text { Inferior } \
\hline \text { Lead III } & \text { Left lep } & \text { Left arm } & \text { Inferior } \
\hline
\end{array}$$

Question 2

Match each item to the correct description below.
-ECG changes observed in leads that look directly at the affected area of the heart.

Accepted Answer

A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte 
A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte F

Question 3

In most patients, the sinoatrial (SA) and atrioventricular (AV) nodes are supplied by the _____ coronary artery.

Accepted Answer

A)  right 
B)  left main 
C)  circumflex 
D)  left anterior descending 
A)  right 
B)  left main 
C)  circumflex 
D)  left anterior descending A

Question 4

Name the first positive deflection seen after the P wave on the ECG.

Accepted Answer

The answer of Name the first positive deflection seen after...

Question 5

Which part of the conduction system receives an impulse from the bundle of His and relays it to the Purkinje fibers?

Accepted Answer

A)  SA node 
B)  AV node 
C)  Right and left atria 
D)  Right and left bundle branches 
A)  SA node 
B)  AV node 
C)  Right and left atria 
D)  Right and left bundle branches

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Match each item to the correct description below.
-During this period, a weaker than normal stimulus can cause depolarization of cardiac cells.

Accepted Answer

A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte 
A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte

Question 9

Generally speaking, what is the normal duration of a QT interval?

Accepted Answer

The duration of the QT interva

Question 10

Explain the significance of Einthoven's triangle.

Accepted Answer

Einthoven's triangle is a means of illus

Question 11

The QT interval is measured from the beginning of the _____.

Accepted Answer

A)  QRS complex to the end of the T wave 
B)  P wave to the end of the QRS complex 
C)  QRS complex to the beginning of the T wave 
D)  P wave to the beginning of the QRS complex 
A)  QRS complex to the end of the T wave 
B)  P wave to the end of the QRS complex 
C)  QRS complex to the beginning of the T wave 
D)  P wave to the beginning of the QRS complex

Question 12

The portion of the ECG tracing between the QRS complex and the T wave is called the ____.

Accepted Answer

A)  PR segment 
B)  ST segment 
C)  TP segment 
D)  QT interval 
A)  PR segment 
B)  ST segment 
C)  TP segment 
D)  QT interval

Question 13

Match each item to the correct description below.
-Each electrode placed in a "V" position is a(n) _____ electrode.

Accepted Answer

A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte 
A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte

Question 14

Completion 
-An ECG lead that has a positive and negative electrode is called a(n) _____ lead.

Accepted Answer

The answer of Completion 
-An ECG lead that has a...

Question 15

Match each item to the correct description below.
-Height (voltage) of a waveform on the ECGز

Accepted Answer

A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte 
A) Ventricular 
B) Atrial 
C) Repolarization 
D) Augmented 
E) Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte

Question 16

Which of the following is the first positive deflection seen on the ECG 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 17

The PR interval is considered prolonged if it is more than _____ seconds in duration.

Accepted Answer

A)  0.06 
B)  0.12 
C)  0.18 
D)  0.20 
A)  0.06 
B)  0.12 
C)  0.18 
D)  0.20

Question 18

_____ is a term used to describe the period of recovery that cells need after being discharged before they are able to respond to a stimulus.

Accepted Answer

A)  Irritability 
B)  Conductivity 
C)  Polarization 
D)  Refractoriness 
A)  Irritability 
B)  Conductivity 
C)  Polarization 
D)  Refractoriness

Question 19

If the wave of depolarization (electrical impulse) moves toward the positive electrode, the waveform recorded on ECG graph paper will be upright (positive deflection).

Accepted Answer

A) True 
 B)False

Question 20

Lead II records the difference in electrical potential between the _____ leg and _____ arm.

Accepted Answer

A)  left; left 
B)  left; right 
C)  right; left 
D)  right; right 
A)  left; left 
B)  left; right 
C)  right; left 
D)  right; right

Complete the following chart: Leead Positive Electrode Negative Electrode Heart Surface Viewed Lead I Lead II Lead III

Match each item to the correct description below. -ECG changes observed in leads that look directly at the affected area of the heart.

In most patients, the sinoatrial (SA) and atrioventricular (AV) nodes are supplied by the _____ coronary artery.

Name the first positive deflection seen after the P wave on the ECG.

Which part of the conduction system receives an impulse from the bundle of His and relays it to the Purkinje fibers?

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

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

Match each item to the correct description below. -During this period, a weaker than normal stimulus can cause depolarization of cardiac cells.

Generally speaking, what is the normal duration of a QT interval?

Explain the significance of Einthoven's triangle.

The QT interval is measured from the beginning of the _____.

The portion of the ECG tracing between the QRS complex and the T wave is called the ____.

Match each item to the correct description below. -Each electrode placed in a "V" position is a(n) _____ electrode.

Completion -An ECG lead that has a positive and negative electrode is called a(n) _____ lead.

Match each item to the correct description below. -Height (voltage) of a waveform on the ECGز

Which of the following is the first positive deflection seen on the ECG after the P wave?

The PR interval is considered prolonged if it is more than _____ seconds in duration.

_____ is a term used to describe the period of recovery that cells need after being discharged before they are able to respond to a stimulus.

If the wave of depolarization (electrical impulse) moves toward the positive electrode, the waveform recorded on ECG graph paper will be upright (positive deflection).

Lead II records the difference in electrical potential between the _ leg and _ arm.

Anatomy and Physiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Atrioventricular Blocks

Pacemaker Rhythms

Introduction to the 12-Lead Electrocardiogram

Posttest

Filters

Exam 2: Basic Electrophysiology

Complete the following chart: Leead Positive Electrode Negative Electrode Heart Surface Viewed Lead I Lead II Lead III

Match each item to the correct description below. -ECG changes observed in leads that look directly at the affected area of the heart.

In most patients, the sinoatrial (SA) and atrioventricular (AV) nodes are supplied by the _____ coronary artery.

Name the first positive deflection seen after the P wave on the ECG.

Which part of the conduction system receives an impulse from the bundle of His and relays it to the Purkinje fibers?

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

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

Match each item to the correct description below. -During this period, a weaker than normal stimulus can cause depolarization of cardiac cells.

Generally speaking, what is the normal duration of a QT interval?

Explain the significance of Einthoven's triangle.

The QT interval is measured from the beginning of the _____.

The portion of the ECG tracing between the QRS complex and the T wave is called the ____.

Match each item to the correct description below. -Each electrode placed in a "V" position is a(n) _____ electrode.

Completion -An ECG lead that has a positive and negative electrode is called a(n) _____ lead.

Match each item to the correct description below. -Height (voltage) of a waveform on the ECGز

Which of the following is the first positive deflection seen on the ECG after the P wave?

The PR interval is considered prolonged if it is more than _____ seconds in duration.

_____ is a term used to describe the period of recovery that cells need after being discharged before they are able to respond to a stimulus.

If the wave of depolarization (electrical impulse) moves toward the positive electrode, the waveform recorded on ECG graph paper will be upright (positive deflection).

Lead II records the difference in electrical potential between the _____ leg and _____ arm.

Anatomy and Physiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Atrioventricular Blocks

Pacemaker Rhythms

Introduction to the 12-Lead Electrocardiogram

Posttest

Filters

Lead II records the difference in electrical potential between the _ leg and _ arm.