Question 1

On the ECG,the T wave represents _____.

Accepted Answer

A)  atrial contraction 
B)  atrial repolarization 
C)  ventricular contraction 
D)  ventricular repolarization 
A)  atrial contraction 
B)  atrial repolarization 
C)  ventricular contraction 
D)  ventricular repolarization D

Question 2

MATCHING
-The T wave represents ventricular _____.

Accepted Answer

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

Question 3

In the heart's conduction system,the _____ receive(s)an electrical impulse from the right and left bundle branches and relay(s)it to the ventricular myocardium.

Accepted Answer

A)  AV node 
B)  SA node 
C)  Purkinje fibers 
D)  atrial pacemaker cells 
A)  AV node 
B)  SA node 
C)  Purkinje fibers 
D)  atrial pacemaker cells C

Question 4

Depolarization is the same as contraction.

Accepted Answer

A) True 
 B)False

Question 5

List four major electrolytes that influence cardiac function.

Accepted Answer

Sodium,pot

Question 6

Is depolarization the same as contraction? Explain your answer.

Accepted Answer

Depolarization is not the same as contra

Question 7

When the cardiac muscle cell is stimulated,the cell is said to _____.

Accepted Answer

A)  polarize 
B)  recover 
C)  depolarize 
D)  repolarize 
A)  polarize 
B)  recover 
C)  depolarize 
D)  repolarize

Question 8

How do you determine whether the atrial rhythm on an ECG tracing is regular or irregular?

Accepted Answer

A)  Compare QT intervals. 
B)  Compare PR intervals. 
C)  Compare R to R intervals. 
D)  Compare P to P intervals. 
A)  Compare QT intervals. 
B)  Compare PR intervals. 
C)  Compare R to R intervals. 
D)  Compare P to P intervals.

Question 9

The absolute refractory period begins with the onset of the _____ and terminates _____.

Accepted Answer

A)  P wave; with the end of the QRS complex 
B)  QRS complex; at approximately the apex of the T wave 
C)  QRS complex; with the end of the T wave 
D)  P wave; with the beginning of the QRS complex 
A)  P wave; with the end of the QRS complex 
B)  QRS complex; at approximately the apex of the T wave 
C)  QRS complex; with the end of the T wave 
D)  P wave; with the beginning of the QRS complex

Question 10

The cells of the heart that contain contractile filaments are called _____ cells.

Accepted Answer

The answer of The cells of the heart that contain...

Question 11

MATCHING
-The a in aVR,aVL,and aVF

Accepted Answer

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

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

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 14

MATCHING
-The stimulus that alters the electrical charges across the cell membrane may be electrical,mechanical,or _____.

Accepted Answer

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

Question 15

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

Accepted Answer

\[\begin{array} { | l | l | l | l } 
\hl

Question 16

MATCHING
-Impulse(s)originating from a source other than the SA node

Accepted Answer

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

Question 17

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

Accepted Answer

The duration of the QT interva

Question 18

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 19

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 20

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

On the ECG,the T wave represents _____.

MATCHING -The T wave represents ventricular _____.

In the heart's conduction system,the _____ receive(s)an electrical impulse from the right and left bundle branches and relay(s)it to the ventricular myocardium.

Depolarization is the same as contraction.

List four major electrolytes that influence cardiac function.

Is depolarization the same as contraction? Explain your answer.

When the cardiac muscle cell is stimulated,the cell is said to _____.

How do you determine whether the atrial rhythm on an ECG tracing is regular or irregular?

The absolute refractory period begins with the onset of the _ and terminates _.

The cells of the heart that contain contractile filaments are called _____ cells.

MATCHING -The a in aVR,aVL,and aVF

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

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

MATCHING -The stimulus that alters the electrical charges across the cell membrane may be electrical,mechanical,or _____.

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

MATCHING -Impulse(s)originating from a source other than the SA node

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

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

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

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

Anatomy and Physiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Post-Test

Filters

Exam 2: Basic Electrophysiology

On the ECG,the T wave represents _____.

MATCHING -The T wave represents ventricular _____.

In the heart's conduction system,the _____ receive(s)an electrical impulse from the right and left bundle branches and relay(s)it to the ventricular myocardium.

Depolarization is the same as contraction.

List four major electrolytes that influence cardiac function.

Is depolarization the same as contraction? Explain your answer.

When the cardiac muscle cell is stimulated,the cell is said to _____.

How do you determine whether the atrial rhythm on an ECG tracing is regular or irregular?

The absolute refractory period begins with the onset of the _____ and terminates _____.

The cells of the heart that contain contractile filaments are called _____ cells.

MATCHING -The a in aVR,aVL,and aVF

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

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

MATCHING -The stimulus that alters the electrical charges across the cell membrane may be electrical,mechanical,or _____.

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

MATCHING -Impulse(s)originating from a source other than the SA node

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

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

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

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

Anatomy and Physiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Post-Test

Filters

The absolute refractory period begins with the onset of the _ and terminates _.