Question 1

A digital converter on the EKG machine

Accepted Answer

A)  Controls the amount of artifact.
B)  Controls the calibration of the machine.
C)  Is the pen that prints out the EKG tracing.
D)  Converts the analog signal to a digital one.E) None of the above
F) C) and D)

Question 2

Some modern EKG machines are Bluetooth-capable,allowing EMS workers to

Accepted Answer

A)  Listen to their favorite music station while on the job.
B)  Control the artifact on the EKG.
C)  Hear the EKG's interpretation via special headphones.
D)  Transmit the EKG to the nearest hospital so workers can prepare for the patient's arrival.E) A) and C)
F) B) and D)

Question 3

Macroshock and microshock are two kinds of electrical shock the patient can sustain from faulty equipment.

Accepted Answer

A) True 
 B)False

Question 4

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) C) and D)
F) A) and B)

Question 5

If your patient's cardiac rhythm is life-threatening,your FIRST action should be to

Accepted Answer

A)  Check the monitor wires and patches.
B)  Exchange the cardiac monitor for a new one.
C)  Check the patient-assess vital signs and see how he/she feels.
D)  Notify the family of the patient's deteriorating condition.E) A) and D)
F) B) and D)

Question 6

The EKG machine control feature that controls the size of the waves and complexes is the _____.

Accepted Answer

The answer of The EKG machine control feature that controls...

Question 7

A rhythm that looks lethal cannot be artifact.

Accepted Answer

A) True 
 B)False

Question 8

If artifact is seen in leads I,III,and AVL,you should direct your corrective efforts to which limb or limbs? _____.

Accepted Answer

The answer of If artifact is seen in leads I,III,and...

Question 9

A patient is short of breath and his nurse tells you he must have the head of bed (HOB) at 90 degrees for his 12-lead EKG.You

Accepted Answer

A)  Leave,telling the nurse to call you when the HOB can be lowered flat.
B)  Roll the HOB flat and do the EKG,then roll the HOB back up.
C)  Call the physician and ask why the HOB can't be lowered.
D)  Do the EKG at 90 degrees and document this position on the EKG.E) All of the above
F) None of the above

Question 10

Artifact can mimic dysrhythmias.

Accepted Answer

A) True 
 B)False

Question 11

Electrical shock is LEAST likely to be caused by which of the following?

Accepted Answer

A)  Frayed electrical cord on the EKG machine
B)  Broken grounding prong on the electrical cord
C)  Properly maintained EKG machine
D)  Ungrounded hospital bed on which the patient is lyingE) None of the above
F) B) and C)

Question 12

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 13

If you think the rhythm is artifact,check your patient for any symptoms of decreased cardiac output first,then check his monitor wires and patches and observe the rhythm in another lead.

Accepted Answer

A) True 
 B)False

Question 14

If there is artifact in leads II,III,and AVF,on which limb(s) would you expect to find the cause of the artifact?

Accepted Answer

A)  Right arm
B)  Right arm and left leg
C)  Left leg
D)  Left armE) B) and C)
F) C) and D)

Question 15

CPR artifact is seen only during CPR.

Accepted Answer

A) True 
 B)False

Question 16

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) A) and D)
F) A) and C)

Question 17

_____ is unwanted jitter or interference on the EKG tracing.

Accepted Answer

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

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Baseline sway is caused by lotion or sweat on the skin interfering with the _____ reaching the EKG machine.

Accepted Answer

The answer of Baseline sway is caused by lotion or...

Question 20

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) B) and D)

Exam 4: Technical Aspects of the Ekg

Somatic tremor artifact is commonly caused by

Correct AnswerverifiedShow Answer

A rhythm that looks lethal cannot be artifact.

Correct AnswerverifiedShow Answer

A patient is short of breath and his nurse tells you he must have the head of bed (HOB) at 90 degrees for his 12-lead EKG.You

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

_____ is unwanted jitter or interference on the EKG tracing.

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

Macroshock and microshock are two kinds of electrical shock the patient can sustain from faulty equipment.

Correct AnswerverifiedShow Answer

Artifact can mimic dysrhythmias.

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

Some modern EKG machines are Bluetooth-capable,allowing EMS workers to

Correct AnswerverifiedShow Answer

If you think the rhythm is artifact,check your patient for any symptoms of decreased cardiac output first,then check his monitor wires and patches and observe the rhythm in another lead.

Correct AnswerverifiedShow Answer

If there is artifact in leads II,III,and AVF,on which limb(s) would you expect to find the cause of the artifact?

Correct AnswerverifiedShow Answer

Baseline sway is caused by lotion or sweat on the skin interfering with the _____ reaching the EKG machine.

Correct AnswerverifiedShow Answer

If artifact is seen in leads I,III,and AVL,you should direct your corrective efforts to which limb or limbs? _____.

Correct AnswerverifiedShow Answer

CPR artifact is seen only during CPR.

Correct AnswerverifiedShow Answer

The EKG machine control feature that controls the size of the waves and complexes is the _____.

Correct AnswerverifiedShow Answer

Electrical shock is LEAST likely to be caused by which of the following?

Correct AnswerverifiedShow Answer

A digital converter on the EKG machine

Correct AnswerverifiedShow Answer

If your patient's cardiac rhythm is life-threatening,your FIRST action should be to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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