Question 1

The baseline is a flat line from which the waves and complexes take off.

Accepted Answer

A) True 
 B)False  True

Question 2

The wave or complex that represents ventricular repolarization is the

Accepted Answer

A) P wave. 
B) QRS complex. 
C) T wave. 
D) U wave. 
A) P wave. 
B) QRS complex. 
C) T wave. 
D) U wave. C

Question 3

Depolarization is the changing of the cardiac cell to an electrically ________ charge.

Accepted Answer

positive

Question 4

The ST segment is located between the

Accepted Answer

A) P wave and the QRS complex. 
B) QRS complex and the T wave. 
C) T wave and the next P wave. 
D) P wave and the T wave. 
A) P wave and the QRS complex. 
B) QRS complex and the T wave. 
C) T wave and the next P wave. 
D) P wave and the T wave.

Question 5

The P wave represents atrial depolarization.

Accepted Answer

A) True 
 B)False

Question 6

In the action potential,phase 0 is

Accepted Answer

A) depolarization. 
B) plateau. 
C) rapid repolarization. 
D) rest. 
A) depolarization. 
B) plateau. 
C) rapid repolarization. 
D) rest.

Question 7

Arrhythmias are ________ heart rhythms.

Accepted Answer

The answer of Arrhythmias are ________ heart rhythms....

Question 8

What is TRUE about the following intervals: PR 0.14,QRS 0.08?

Accepted Answer

A) The QRS interval is prolonged. 
B) PR interval is shortened. 
C) PR interval is prolonged. 
D) Intervals are normal. 
A) The QRS interval is prolonged. 
B) PR interval is shortened. 
C) PR interval is prolonged. 
D) Intervals are normal.

Question 9

The PR segment is located between the

Accepted Answer

A) P wave and the QRS complex. 
B) QRS complex and the T wave. 
C) T wave and the next P wave. 
D) P wave and the T wave. 
A) P wave and the QRS complex. 
B) QRS complex and the T wave. 
C) T wave and the next P wave. 
D) P wave and the T wave.

Question 10

After the sinus node initiates an impulse,where does the impulse go next?

Accepted Answer

A) Interatrial tracts 
B) Purkinje fibers 
C) Ventricular tissue 
D) Bundle branches 
A) Interatrial tracts 
B) Purkinje fibers 
C) Ventricular tissue 
D) Bundle branches

Question 11

Refractory means ________ to.

Accepted Answer

The answer of Refractory means ________ to....

Question 12

Normal QRS interval is ________ seconds or less than three small blocks.

Accepted Answer

The answer of Normal QRS interval is ________ seconds or...

Question 13

On EKG paper,one big block represents

Accepted Answer

A) 0.04 sec. 
B) 0.10 sec. 
C) 0.20 sec. 
D) 1 sec. 
A) 0.04 sec. 
B) 0.10 sec. 
C) 0.20 sec. 
D) 1 sec.

Question 14

The QRS complex represents

Accepted Answer

A) atrial depolarization. 
B) atrial repolarization. 
C) ventricular depolarization. 
D) ventricular repolarization. 
A) atrial depolarization. 
B) atrial repolarization. 
C) ventricular depolarization. 
D) ventricular repolarization.

Question 15

The area of the conduction system that initiates the impulse is called the

Accepted Answer

A) internodal tract. 
B) pacemaker. 
C) bundle of His. 
D) lead. 
A) internodal tract. 
B) pacemaker. 
C) bundle of His. 
D) lead.

Question 16

Transmembrane potential is the electrical charge at the ________.

Accepted Answer

The answer of Transmembrane potential is the electrical charge at...

Question 17

During the absolute refractory period,only a strong stimulus can result in depolarization.

Accepted Answer

A) True 
 B)False

Question 18

If a heart rhythm is slower than normal,it is called a(n)

Accepted Answer

A) arrhythmia. 
B) plateau. 
C) complex. 
D) deflection. 
A) arrhythmia. 
B) plateau. 
C) complex. 
D) deflection.

Question 19

The job of the cardiac conduction system's pacemaker is to

Accepted Answer

A) propagate electrical impulses. 
B) conduct electrical impulses. 
C) cause depolarization of myocardial cells. 
D) all of the above. 
A) propagate electrical impulses. 
B) conduct electrical impulses. 
C) cause depolarization of myocardial cells. 
D) all of the above.

Question 20

+20 mV is the

Accepted Answer

A) resting transmembrane potential. 
B) transmembrane potential at the conclusion of phase 3 of the action potential. 
C) transmembrane potential at the conclusion of phase 0 of the action potential. 
D) transmembrane potential at the beginning of cardiac rest. 
A) resting transmembrane potential. 
B) transmembrane potential at the conclusion of phase 3 of the action potential. 
C) transmembrane potential at the conclusion of phase 0 of the action potential. 
D) transmembrane potential at the beginning of cardiac rest.

The baseline is a flat line from which the waves and complexes take off.

The wave or complex that represents ventricular repolarization is the

Depolarization is the changing of the cardiac cell to an electrically ________ charge.

The ST segment is located between the

The P wave represents atrial depolarization.

In the action potential,phase 0 is

Arrhythmias are ________ heart rhythms.

What is TRUE about the following intervals: PR 0.14,QRS 0.08?

The PR segment is located between the

After the sinus node initiates an impulse,where does the impulse go next?

Refractory means ________ to.

Normal QRS interval is ________ seconds or less than three small blocks.

On EKG paper,one big block represents

The QRS complex represents

The area of the conduction system that initiates the impulse is called the

Transmembrane potential is the electrical charge at the ________.

During the absolute refractory period,only a strong stimulus can result in depolarization.

If a heart rhythm is slower than normal,it is called a(n)

The job of the cardiac conduction system's pacemaker is to

+20 mV is the

Cardiac Anatomy and Physiology

Lead Morphology and Placement

Technical Aspects of the EKG

Calculating Heart Rate

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the AV Junction

Rhythms Originating in the Ventricles

AV Blocks

How to Interpret a 12-Lead EKG

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

Filters

Exam 2: Electrophysiology

The baseline is a flat line from which the waves and complexes take off.

The wave or complex that represents ventricular repolarization is the

Depolarization is the changing of the cardiac cell to an electrically ________ charge.

The ST segment is located between the

The P wave represents atrial depolarization.

In the action potential,phase 0 is

Arrhythmias are ________ heart rhythms.

What is TRUE about the following intervals: PR 0.14,QRS 0.08?

The PR segment is located between the

After the sinus node initiates an impulse,where does the impulse go next?

Refractory means ________ to.

Normal QRS interval is ________ seconds or less than three small blocks.

On EKG paper,one big block represents

The QRS complex represents

The area of the conduction system that initiates the impulse is called the

Transmembrane potential is the electrical charge at the ________.

During the absolute refractory period,only a strong stimulus can result in depolarization.

If a heart rhythm is slower than normal,it is called a(n)

The job of the cardiac conduction system's pacemaker is to

+20 mV is the

Cardiac Anatomy and Physiology

Lead Morphology and Placement

Technical Aspects of the EKG

Calculating Heart Rate

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the AV Junction

Rhythms Originating in the Ventricles

AV Blocks

How to Interpret a 12-Lead EKG

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

Filters