Question 1

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.E) B) and D)
F) A) and B)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which of the following NOT a method for determining artifact versus a real rhythm?

Accepted Answer

A)  Check your patient for signs of decreased cardiac output
B)  Check the wires and patches.
C)  Follow any visible QRS complexes.
D)  Immediately defibrillate the patient.E) None of the above
F) A) and B)

Question 4

Which of the following is NOT true about how the heart's electrical impulses result in the printed EKG?

Accepted Answer

A)  Heart's impulses are picked up by electrodes on the skin.
B)  The heart impulses are sent through a microphone.
C)  Electrodes send the signal through a cable to an amplifier in the EKG machine.
D)  A digital converter changes the analog signal to a digital one.E) B) and D)
F) A) and B) B

Question 5

Life-threatening arrhythmias will cause symptoms of decreased cardiac output.

Accepted Answer

A) True 
 B)False

Question 6

Artifact in Leads I,III,and aVL is caused by a loose or detached electrode patch or wire on the left arm.

Accepted Answer

A) True 
 B)False

Question 7

The word "somatic" means ________.

Accepted Answer

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

Question 8

On your sleeping patient's 12-lead EKG,Lead I's waves and complexes are extremely jittery-completely unreadable-as are aVR's.The most likely cause of this is

Accepted Answer

A)  heart is on the right side of the body instead of the left.
B)  gain is set too low.
C)  patient has an arrhythmia.
D)  right arm electrode or patch is loose or off.E) B) and C)
F) A) and C)

Question 9

________ is unwanted jitter or interference on the EKG tracing.

Accepted Answer

The answer of ________ is unwanted jitter or interference on...

Question 10

Electrically speaking,the heart is a

Accepted Answer

A)  transmitter.
B)  receiver.
C)  cable.
D)  galvanometer.E) A) and D)
F) All of the above

Question 11

Your patient is having chills.What kind of artifact can this produce?

Accepted Answer

A)  60-cycle interference
B)  Baseline sway
C)  Broken recording
D)  Somatic tremorsE) B) and D)
F) A) and C)

Question 12

Your patient for a 12-lead EKG has artifact in II,III,and aVF.To reduce artifact,you check the patches

Accepted Answer

A)  at the 5th ICS,MCL.
B)  at the 4th ICS,LSB.
C)  on the left leg.
D)  on the right arm.E) A) and D)
F) C) and D)

Question 13

It is possible to have artifact in the midst of a dangerous rhythm.

Accepted Answer

A) True 
 B)False

Question 14

The EKG machine's control feature that might reduce artifact is the ________.

Accepted Answer

Frequency response

Question 15

Broken recording is caused by ________.

Accepted Answer

Frayed wire; fractur...

Question 16

Somatic tremor artifact is commonly caused by

Accepted Answer

A)  patient movement.
B)  respirations.
C)  lotion on the skin interfering with the signal.
D)  electrical interference.E) A) and D)
F) None of the above

Question 17

If artifact is present in leads I,II,and aVR,the most likely source of the artifact is on the

Accepted Answer

A)  right arm.
B)  left arm.
C)  right leg.
D)  left leg.E) A) and C)
F) A) and B)

Question 18

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.E) A) and B)
F) B) and D)

Question 19

Artifact can mimic arrhythmias.

Accepted Answer

A) True 
 B)False

Question 20

Chills can cause somatic tremor artifact.

Accepted Answer

A) True 
 B)False  True

Exam 4: Technical Aspects of the EKG

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following NOT a method for determining artifact versus a real rhythm?

Correct AnswerverifiedShow Answer

Which of the following is NOT true about how the heart's electrical impulses result in the printed EKG?

Correct AnswerverifiedB

Life-threatening arrhythmias will cause symptoms of decreased cardiac output.

Correct AnswerverifiedShow Answer

Artifact in Leads I,III,and aVL is caused by a loose or detached electrode patch or wire on the left arm.

Correct AnswerverifiedShow Answer

The word "somatic" means ________.

Correct AnswerverifiedShow Answer

On your sleeping patient's 12-lead EKG,Lead I's waves and complexes are extremely jittery-completely unreadable-as are aVR's.The most likely cause of this is

Correct AnswerverifiedShow Answer

________ is unwanted jitter or interference on the EKG tracing.

Correct AnswerverifiedShow Answer

Electrically speaking,the heart is a

Correct AnswerverifiedShow Answer

Your patient is having chills.What kind of artifact can this produce?

Correct AnswerverifiedShow Answer

Your patient for a 12-lead EKG has artifact in II,III,and aVF.To reduce artifact,you check the patches

Correct AnswerverifiedShow Answer

It is possible to have artifact in the midst of a dangerous rhythm.

Correct AnswerverifiedShow Answer

The EKG machine's control feature that might reduce artifact is the ________.

Correct AnswerverifiedFrequency response

Broken recording is caused by ________.

Correct AnswerverifiedFrayed wire; fractur...View AnswerShow Answer

Somatic tremor artifact is commonly caused by

Correct AnswerverifiedShow Answer

If artifact is present in leads I,II,and aVR,the most likely source of the artifact is on the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Artifact can mimic arrhythmias.

Correct AnswerverifiedShow Answer

Chills can cause somatic tremor artifact.

Correct AnswerverifiedTrue

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Frequency response

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Frayed wire; fractur...
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