Question 1

The artifact caused by the jiggling of wires during toothbrushing is called

Accepted Answer

A) CPR artifact. 
B) "Toothbrush asystole." 
C) PVCs. 
D) "Toothbrush Tachycardia." 
A) CPR artifact. 
B) "Toothbrush asystole." 
C) PVCs. 
D) "Toothbrush Tachycardia." D

Question 2

A thick-looking pattern on the EKG paper that looks like someone used a thick Magic Marker to write the baseline is typical of what kind of artifact? _____.

Accepted Answer

60-cycle interference;60 cycle interference

Question 3

The most important benefit of a three-channel recorder when doing a 12-lead EKG is

Accepted Answer

A) It is less work for the technician. 
B) All leads can be recorded simultaneously. 
C) Three leads can be recorded before changing the paper. 
D) It is less painful for the patient. 
A) It is less work for the technician. 
B) All leads can be recorded simultaneously. 
C) Three leads can be recorded before changing the paper. 
D) It is less painful for the patient. B

Question 4

Sixty-cycle interference is commonly caused by

Accepted Answer

A) Patient movement. 
B) Respirations. 
C) Lotion on the skin interfering with the signal. 
D) Electrical interference. 
A) Patient movement. 
B) Respirations. 
C) Lotion on the skin interfering with the signal. 
D) Electrical interference.

Question 5

Electrically speaking,the EKG machine is a _____ and the heart is a transmitter.

Accepted Answer

The answer of Electrically speaking,the EKG machine is a _____...

Question 6

The most common cause for the P wave,QRS complex,and T wave to be inverted in lead I is

Accepted Answer

A) Dextrocardia. 
B) Incorrect lead placement. 
C) Myocardial infarction. 
D) Left bundle branch block. 
A) Dextrocardia. 
B) Incorrect lead placement. 
C) Myocardial infarction. 
D) Left bundle branch block.

Question 7

Artifact is a sign that the patient is in distress.

Accepted Answer

A) True 
 B)False

Question 8

Microshock is different from macroshock in that microshock is

Accepted Answer

A) A higher-voltage electrical shock. 
B) A lower-voltage electrical shock. 
C) Caused by inadequate grounding of electrical equipment. 
D) Incapable of causing death. 
A) A higher-voltage electrical shock. 
B) A lower-voltage electrical shock. 
C) Caused by inadequate grounding of electrical equipment. 
D) Incapable of causing death.

Question 9

Artifact does not cause symptoms of decreased cardiac output.

Accepted Answer

A) True 
 B)False

Question 10

The "gain" setting on the EKG machine is concerned with

Accepted Answer

A) The amplitude of the waves and complexes. 
B) The size of the patient. 
C) Einthoven's law. 
D) Electrical conduction through the bundle branches. 
A) The amplitude of the waves and complexes. 
B) The size of the patient. 
C) Einthoven's law. 
D) Electrical conduction through the bundle branches.

Question 11

The word "somatic" means _____.

Accepted Answer

The answer of The word "somatic" means _____....

Question 12

Artifact is an unwanted interference or jitter on the EKG tracing.

Accepted Answer

A) True 
 B)False

Question 13

Muscle artifact can be minimized by monitoring the patient in lead

Accepted Answer

A) I. 
B) II. 
C) AVR. 
D) V1 or MCL1. 
A) I. 
B) II. 
C) AVR. 
D) V1 or MCL1.

Question 14

Sometimes,the presence of artifact can be verified by changing the lead.

Accepted Answer

A) True 
 B)False

Question 15

Electrically speaking,the heart is a

Accepted Answer

A) Transmitter. 
B) Receiver. 
C) Cable. 
D) Galvanometer. 
A) Transmitter. 
B) Receiver. 
C) Cable. 
D) Galvanometer.

Question 16

Chills can cause somatic tremor artifact.

Accepted Answer

A) True 
 B)False

Question 17

Muscle artifact is seen most often in

Accepted Answer

A) The precordial leads. 
B) The frontal leads. 
C) Leads whose positive electrode is on the right leg. 
D) Leads whose negative electrode is on the right arm. 
A) The precordial leads. 
B) The frontal leads. 
C) Leads whose positive electrode is on the right leg. 
D) Leads whose negative electrode is on the right arm.

Question 18

Using an EKG machine with frayed wires is not dangerous if the wires are taped together.

Accepted Answer

A) True 
 B)False

Question 19

To minimize artifact,what must be done?

Accepted Answer

A) Attach electrode patches securely 
B) Tell the patient not to breathe during the EKG 
C) Tell the patient not to move during the EKG 
D) All but B 
A) Attach electrode patches securely 
B) Tell the patient not to breathe during the EKG 
C) Tell the patient not to move during the EKG 
D) All but B

Question 20

If artifact is seen in leads I,III,and AVL,the problem is on which limb?

Accepted Answer

A) Right arm 
B) Right leg 
C) Left arm 
D) Left leg 
A) Right arm 
B) Right leg 
C) Left arm 
D) Left leg

The artifact caused by the jiggling of wires during toothbrushing is called

A thick-looking pattern on the EKG paper that looks like someone used a thick Magic Marker to write the baseline is typical of what kind of artifact? _____.

The most important benefit of a three-channel recorder when doing a 12-lead EKG is

Sixty-cycle interference is commonly caused by

Electrically speaking,the EKG machine is a _____ and the heart is a transmitter.

The most common cause for the P wave,QRS complex,and T wave to be inverted in lead I is

Artifact is a sign that the patient is in distress.

Microshock is different from macroshock in that microshock is

Artifact does not cause symptoms of decreased cardiac output.

The "gain" setting on the EKG machine is concerned with

The word "somatic" means _____.

Artifact is an unwanted interference or jitter on the EKG tracing.

Muscle artifact can be minimized by monitoring the patient in lead

Sometimes,the presence of artifact can be verified by changing the lead.

Electrically speaking,the heart is a

Chills can cause somatic tremor artifact.

Muscle artifact is seen most often in

Using an EKG machine with frayed wires is not dangerous if the wires are taped together.

To minimize artifact,what must be done?

If artifact is seen in leads I,III,and AVL,the problem is on which limb?

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

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 4: Technical Aspects of the Ekg

The artifact caused by the jiggling of wires during toothbrushing is called

A thick-looking pattern on the EKG paper that looks like someone used a thick Magic Marker to write the baseline is typical of what kind of artifact? _____.

The most important benefit of a three-channel recorder when doing a 12-lead EKG is

Sixty-cycle interference is commonly caused by

Electrically speaking,the EKG machine is a _____ and the heart is a transmitter.

The most common cause for the P wave,QRS complex,and T wave to be inverted in lead I is

Artifact is a sign that the patient is in distress.

Microshock is different from macroshock in that microshock is

Artifact does not cause symptoms of decreased cardiac output.

The "gain" setting on the EKG machine is concerned with

The word "somatic" means _____.

Artifact is an unwanted interference or jitter on the EKG tracing.

Muscle artifact can be minimized by monitoring the patient in lead

Sometimes,the presence of artifact can be verified by changing the lead.

Electrically speaking,the heart is a

Chills can cause somatic tremor artifact.

Muscle artifact is seen most often in

Using an EKG machine with frayed wires is not dangerous if the wires are taped together.

To minimize artifact,what must be done?

If artifact is seen in leads I,III,and AVL,the problem is on which limb?

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

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