Question 1

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 arm

Question 2

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.

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

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 5

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 tremors

Question 6

Artifact can mimic dysrhythmias.

Accepted Answer

A) True 
 B)False

Question 7

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.

Question 8

CPR artifact is seen only during CPR.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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.

Question 11

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.

Question 12

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 13

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.

Question 14

_____ is unwanted jitter or interference on the EKG tracing.

Accepted Answer

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

Question 15

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 16

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.

Question 17

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 lying

Question 18

A rhythm that looks lethal cannot be artifact.

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

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

Exam 4: Technical Aspects of the Ekg

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

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

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

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

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

Artifact can mimic dysrhythmias.

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

CPR artifact is seen only during CPR.

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

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

Somatic tremor artifact is commonly caused by

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

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

_____ is unwanted jitter or interference on the EKG tracing.

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

A digital converter on the EKG machine

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

A rhythm that looks lethal cannot be artifact.

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

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.