Question 1

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

Accepted Answer

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

Question 2

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 3

The intrinsic rate of the SA node is _____ beats/min.

Accepted Answer

A)  40 to 60 
B)  60 to 100 
C)  100 to 180 
D)  200 to 260 
A)  40 to 60 
B)  60 to 100 
C)  100 to 180 
D)  200 to 260

Question 4

In an adult, the normal duration of the QRS complex is _____.

Accepted Answer

A)  0.12 to 0.20 second 
B)  0.10 second or less 
C)  0.04 to 0.14 second 
D)  0.20 second or less 
A)  0.12 to 0.20 second 
B)  0.10 second or less 
C)  0.04 to 0.14 second 
D)  0.20 second or less

Question 5

The intrinsic rate of the atrioventricular (AV) bundle is _____ beats/min.

Accepted Answer

A)  20 to 40 
B)  40 to 60 
C)  60 to 80 
D)  80 to 100 
A)  20 to 40 
B)  40 to 60 
C)  60 to 80 
D)  80 to 100

Question 6

Match each item to the correct description below.
-The P wave represents _____ depolarization.

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 7

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

Question 8

Complete the following chart:
 $$\begin{array} { | l | c | c } 
\hline \text { Lead } & \begin{array} { c } 
\text { Positive } \
\text { Electrode }
\end{array} & \begin{array} { c } 
\text { Heart Surface } \
\text { Viewed }
\end{array} \
\hline \mathrm { aVR } & & \
\hline \mathrm { aVL } & & \
\hline \mathrm { aVF } & & \
\hline
\end{array}$$

Accepted Answer

The answer of Complete the following chart:
 \[\begin{array} { |...

Question 9

Match each item to the correct description below.
-The spread of an impulse through tissue already stimulated by that same impulse.

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 10

Is depolarization the same as contraction? Explain your answer.

Accepted Answer

Depolarization is not the same as contra

Question 11

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 12

Match each item to the correct description below.
-The T wave represents ventricular _____.

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 13

The normal pacemaker of the heart is the _____ node, which is found in the _____ atrium, and has an intrinsic firing rate of _____ beats/min.

Accepted Answer

A)  sinoatrial; left; 40 to 60 
B)  sinoatrial; right; 60 to 100 
C)  atrioventricular; left; 20 to 40 
D)  atrioventricular; right; 100 to 180 
A)  sinoatrial; left; 40 to 60 
B)  sinoatrial; right; 60 to 100 
C)  atrioventricular; left; 20 to 40 
D)  atrioventricular; right; 100 to 180

Question 14

A conduction problem above the level of the bundle branches will largely affect the P wave and PR interval.

Accepted Answer

A) True 
 B)False

Question 15

The intrinsic rate of the Purkinje fibers is _____ beats/min.

Accepted Answer

A)  20 to 40 
B)  40 to 60 
C)  60 to 100 
D)  100 to 180 
A)  20 to 40 
B)  40 to 60 
C)  60 to 100 
D)  100 to 180

Question 16

On the ECG, the P wave represents atrial _____ and the QRS complex represents ventricular _____.

Accepted Answer

A)  depolarization; depolarization 
B)  repolarization; repolarization 
C)  repolarization; depolarization 
D)  depolarization; repolarization 
A)  depolarization; depolarization 
B)  repolarization; repolarization 
C)  repolarization; depolarization 
D)  depolarization; repolarization

Question 17

_____ cells are working cells of the heart that contain contractile filaments and form the muscular layer of the atrial walls and the thicker muscular layer of the ventricular walls.

Accepted Answer

A)  Pacemaker 
B)  Myocardial 
C)  Specialized 
D)  Electrical 
A)  Pacemaker 
B)  Myocardial 
C)  Specialized 
D)  Electrical

Question 18

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

Question 19

Match each item to the correct description below.
-The a in aVR, aVL, and aVF

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 20

Completion 
-_____ is the ability of cardiac cells to spontaneously initiate an electrical impulse without being stimulated from another source.

Accepted Answer

The answer of Completion 
-_____ is the ability of cardiac...

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

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

The intrinsic rate of the SA node is _____ beats/min.

In an adult, the normal duration of the QRS complex is _____.

The intrinsic rate of the atrioventricular (AV) bundle is _____ beats/min.

Match each item to the correct description below. -The P wave represents _____ depolarization.

On the ECG, the T wave represents _____.

Complete the following chart: Lead Positive Electrode Heart Surface Viewed

Match each item to the correct description below. -The spread of an impulse through tissue already stimulated by that same impulse.

Is depolarization the same as contraction? Explain your answer.

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

Match each item to the correct description below. -The T wave represents ventricular _____.

The normal pacemaker of the heart is the ___ node, which is found in the _ atrium, and has an intrinsic firing rate of ___ beats/min.

A conduction problem above the level of the bundle branches will largely affect the P wave and PR interval.

The intrinsic rate of the Purkinje fibers is _____ beats/min.

On the ECG, the P wave represents atrial _ and the QRS complex represents ventricular _.

_____ cells are working cells of the heart that contain contractile filaments and form the muscular layer of the atrial walls and the thicker muscular layer of the ventricular walls.

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.

Match each item to the correct description below. -The a in aVR, aVL, and aVF

Completion -_____ is the ability of cardiac cells to spontaneously initiate an electrical impulse without being stimulated from another source.

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

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

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

The intrinsic rate of the SA node is _____ beats/min.

In an adult, the normal duration of the QRS complex is _____.

The intrinsic rate of the atrioventricular (AV) bundle is _____ beats/min.

Match each item to the correct description below. -The P wave represents _____ depolarization.

On the ECG, the T wave represents _____.

Complete the following chart: Lead Positive Electrode Heart Surface Viewed

Match each item to the correct description below. -The spread of an impulse through tissue already stimulated by that same impulse.

Is depolarization the same as contraction? Explain your answer.

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

Match each item to the correct description below. -The T wave represents ventricular _____.

The normal pacemaker of the heart is the _____ node, which is found in the _____ atrium, and has an intrinsic firing rate of _____ beats/min.

A conduction problem above the level of the bundle branches will largely affect the P wave and PR interval.

The intrinsic rate of the Purkinje fibers is _____ beats/min.

On the ECG, the P wave represents atrial _____ and the QRS complex represents ventricular _____.

_____ cells are working cells of the heart that contain contractile filaments and form the muscular layer of the atrial walls and the thicker muscular layer of the ventricular walls.

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.

Match each item to the correct description below. -The a in aVR, aVL, and aVF

Completion -_____ is the ability of cardiac cells to spontaneously initiate an electrical impulse without being stimulated from another source.

Anatomy and Physiology

Sinus Mechanisms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Atrioventricular Blocks

Pacemaker Rhythms

Introduction to the 12-Lead Electrocardiogram

Posttest

Filters

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

The normal pacemaker of the heart is the ___ node, which is found in the _ atrium, and has an intrinsic firing rate of ___ beats/min.

On the ECG, the P wave represents atrial _ and the QRS complex represents ventricular _.