Question 1

A positive QRS complex is written by an impulse that travels toward the positive electrode.

Accepted Answer

A) True 
 B)False  True

Question 2

An impulse that travels away from a positive electrode will write a(n)________ on the EKG.

Accepted Answer

A) positive QRS complex 
B) negative QRS complex 
C) isoelectric QRS 
D) flat line 
A) positive QRS complex 
B) negative QRS complex 
C) isoelectric QRS 
D) flat line B

Question 3

How is the hexiaxial diagram used?

Accepted Answer

A) It is used to determine the size of the QRS complex. 
B) It is used to determine the frequency of P waves. 
C) It is used to determine the direction of current flow in the heart. 
D) It is used to determine if the leads were placed on the correct limb. 
A) It is used to determine the size of the QRS complex. 
B) It is used to determine the frequency of P waves. 
C) It is used to determine the direction of current flow in the heart. 
D) It is used to determine if the leads were placed on the correct limb. C

Question 4

Einthoven's triangle is formed by joining leads I,II,and III at their ends.

Accepted Answer

A) True 
 B)False

Question 5

Based on Einthoven's Law,the shortest QRS complex should NOT be in Lead ________.

Accepted Answer

The answer of Based on Einthoven's Law,the shortest QRS complex...

Question 6

How does the EKG machine increase the size of waves and complexes in augmented leads?

Accepted Answer

A) It increases the voltage. 
B) It decreases the voltage. 
C) It eliminates the positive pole. 
D) It eliminates the negative pole. 
A) It increases the voltage. 
B) It decreases the voltage. 
C) It eliminates the positive pole. 
D) It eliminates the negative pole.

Question 7

Lead III connects which limbs?

Accepted Answer

A) Right arm and left leg 
B) Right arm and right leg 
C) Right arm and left arm 
D) Left arm and left leg 
A) Right arm and left leg 
B) Right arm and right leg 
C) Right arm and left arm 
D) Left arm and left leg

Question 8

In which of the following leads should the QRS complex be negative?

Accepted Answer

A) Lead I 
B) Lead II 
C) aVR 
D) aVL 
A) Lead I 
B) Lead II 
C) aVR 
D) aVL

Question 9

Einthoven's law states that ________.

Accepted Answer

Lead I + L

Question 10

Lead I connects which limbs?

Accepted Answer

A) Right arm and left leg 
B) Right arm and right leg 
C) Right arm and left arm 
D) Left arm and right leg 
A) Right arm and left leg 
B) Right arm and right leg 
C) Right arm and left arm 
D) Left arm and right leg

Question 11

AVR has its positive pole on the

Accepted Answer

A) left arm. 
B) right leg. 
C) right arm. 
D) left leg. 
A) left arm. 
B) right leg. 
C) right arm. 
D) left leg.

Question 12

Which of the following is NOT a lead comprising the hexiaxial diagram?

Accepted Answer

A) Lead I 
B) V₃ 
C) aVR 
D) Lead III 
A) Lead I 
B) V₃ 
C) aVR 
D) Lead III

Question 13

Bipolar leads

Accepted Answer

A) have a positive pole and a negative pole. 
B) have a positive pole and a central terminal acting as negative pole. 
C) join leads on the back of the body with leads on the front. 
D) are leads V₁ through V₆. 
A) have a positive pole and a negative pole. 
B) have a positive pole and a central terminal acting as negative pole. 
C) join leads on the back of the body with leads on the front. 
D) are leads V₁ through V₆.

Question 14

Which of the following leads would be most appropriate for continuous monitoring of an individual with an abnormality in ventricular conduction?

Accepted Answer

A) Lead II 
B) MCL₁ 
C) AVR 
D) V₄ 
A) Lead II 
B) MCL₁ 
C) AVR 
D) V₄

Question 15

The V₁ electrode is located at the

Accepted Answer

A) first intercostal space,left sternal border. 
B) fifth intercostal space,left sternal border. 
C) fourth intercostal space,right sternal border. 
D) fourth intercostal space,left sternal border. 
A) first intercostal space,left sternal border. 
B) fifth intercostal space,left sternal border. 
C) fourth intercostal space,right sternal border. 
D) fourth intercostal space,left sternal border.

Question 16

Lead aVR's positive electrode is located on the ________.

Accepted Answer

The answer of Lead aVR's positive electrode is located on...

Question 17

Einthoven's law states that

Accepted Answer

A) Lead I + Lead III = Lead II. 
B) Lead II + Lead III = Lead I. 
C) V₁ + V₅ = V₄. 
D) Lead I + Lead II = Lead III. 
A) Lead I + Lead III = Lead II. 
B) Lead II + Lead III = Lead I. 
C) V₁ + V₅ = V₄. 
D) Lead I + Lead II = Lead III.

Question 18

The structure formed by joining all the frontal leads at the center is the hexiaxial diagram.

Accepted Answer

A) True 
 B)False

Question 19

A lead is an electrocardiographic ________.

Accepted Answer

Picture of

Question 20

A ________ is an arrow that depicts the general direction of current flow.

Accepted Answer

The answer of A ________ is an arrow that depicts...

A positive QRS complex is written by an impulse that travels toward the positive electrode.

An impulse that travels away from a positive electrode will write a(n)________ on the EKG.

How is the hexiaxial diagram used?

Einthoven's triangle is formed by joining leads I,II,and III at their ends.

Based on Einthoven's Law,the shortest QRS complex should NOT be in Lead ________.

How does the EKG machine increase the size of waves and complexes in augmented leads?

Lead III connects which limbs?

In which of the following leads should the QRS complex be negative?

Einthoven's law states that ________.

Lead I connects which limbs?

AVR has its positive pole on the

Which of the following is NOT a lead comprising the hexiaxial diagram?

Bipolar leads

Which of the following leads would be most appropriate for continuous monitoring of an individual with an abnormality in ventricular conduction?

The V₁ electrode is located at the

Lead aVR's positive electrode is located on the ________.

Einthoven's law states that

The structure formed by joining all the frontal leads at the center is the hexiaxial diagram.

A lead is an electrocardiographic ________.

A ________ is an arrow that depicts the general direction of current flow.

Cardiac Anatomy and Physiology

Electrophysiology

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 3: Lead Morphology and Placement

A positive QRS complex is written by an impulse that travels toward the positive electrode.

An impulse that travels away from a positive electrode will write a(n)________ on the EKG.

How is the hexiaxial diagram used?

Einthoven's triangle is formed by joining leads I,II,and III at their ends.

Based on Einthoven's Law,the shortest QRS complex should NOT be in Lead ________.

How does the EKG machine increase the size of waves and complexes in augmented leads?

Lead III connects which limbs?

In which of the following leads should the QRS complex be negative?

Einthoven's law states that ________.

Lead I connects which limbs?

AVR has its positive pole on the

Which of the following is NOT a lead comprising the hexiaxial diagram?

Bipolar leads

Which of the following leads would be most appropriate for continuous monitoring of an individual with an abnormality in ventricular conduction?

The V₁ electrode is located at the

Lead aVR's positive electrode is located on the ________.

Einthoven's law states that

The structure formed by joining all the frontal leads at the center is the hexiaxial diagram.

A lead is an electrocardiographic ________.

A ________ is an arrow that depicts the general direction of current flow.

Cardiac Anatomy and Physiology

Electrophysiology

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