EKG Set Up And Leads
Set up/ leads
- 1.What is an ECG?
- A.
A graphic representaion
- B.
Measures electrical impulses originating form the myocardium
- C.
A specualized recording device that uses electrodes
- D.
Rate, rhythm, conduction
- E.
All of the above
- 2.Why do doctors order ECG's?
- A.
Cost efficient
- B.
Non-invasive procedure
- C.
Quick and accurate results
- D.
Essential for diagnoses and treatment
- E.
to give the heart a jump on electrical impulses
- 3.What wave shows Right and Left Atrial depolerization
- A.
P wave
- B.
QRS wave
- C.
T wave
- D.
U wave
- E.
QT interval
- 4.What wave shows Right and Left Ventricular depolerization?
- A.
P wave
- B.
QRS wave
- C.
T wave
- D.
U Wave
- E.
ST segment
- 5.In what wave does Atrial repolerization happen?
- A.
P wave
- B.
QRS wave
- C.
T wave
- D.
Uwave
- 6.What wave shows ventricular repolerization?
- A.
P wave
- B.
QRS wave
- C.
T wave
- D.
U wave
- 7.What wave is not always present?
- A.
P wave
- B.
QRS wave
- C.
T wave
- D.
U wave
- 8.What is the PR interval?
- A.
Distance between the end of the P wave to the beggining of the QRS wave
- B.
Distance between the end of the P wave and the end of the QRS wave
- C.
Distance between the begining of the P wave and the end of the QRS wave
- D.
Distance between the begining of the P wave and the beginning of the QRS wave
- 9.QT interval is the ____ ?
- A.
Distance between the begining of the QRS wave and the end of the T wave
- B.
Distance between the end of the QRS wave and the end of the T wave
- C.
Distance between the end of the QRS wave and the begining of the T wave
- D.
Distance between the begining of the QRS and the begining of the T wave
- 10.ST segment is the ____?
- A.
Distance between the begining of the QRS to the begining of the T wave
- B.
Distance between the begining of the QRS to the end of the T wave
- C.
Distance between the end of the QRS to the end of the T wave
- D.
Distance between the end of the QRS to the begining of the T wave
- 11.When the machine is checking frequency response of impulses. This shows as a squared off segment on the strip
- A.
Calibration pulse
- B.
Standardization pulse
- C.
Setting pulse
- D.
F.S. pulse
- E.
Frequnecy pulse test
- 12.Each vertical square on the graph paper represents____ and is measured in _____ mV
- A.
Voltage, 0.04
- B.
Voltage , 0.1
- C.
Time, 0.04
- D.
Time, 0.1
- 13.Each horizontal small block represents ______, and is in _____mm/sec
- A.
Voltage , 0.04
- B.
Voltage, 0.1
- C.
Time , 0.04
- D.
Time, 0.1
- 14.Cardiac activity is recorded on ECG paper and is shown in ?
- A.
Peaks and valleys
- B.
Hight and width
- C.
Waves and deflection
- 15.Wave heights are also known as?
- A.
Peaks
- B.
Amplitudes
- C.
Interval widths
- 16.Paper generally runs through the machine at ____ mm/sec
- A.
20mm/sec
- B.
25 mm/sec
- C.
30 mm/sec
- D.
50 mm/sec
- 17.If you have infants or fast rhythms and need to identify the P, QRS, and T waves easier , a paper speed of _____ will be requested.
- A.
25 mm/sec
- B.
30 mm/sec
- C.
40 mm/sec
- D.
50 mm/sec
- E.
Unable to calculate thus a DR. must be notified
- 18.The use of electrolyte solution in electocardigraphy is used to ____?
- A.
To help conduct impulses
- B.
To help adhere the sensors to the skin surface
- C.
To keep the electodes from touching dry skin thus min. shock
- D.
Keep the electrode surface from rusting
- 19.How many bipolar leads are there?
- A.
2
- B.
3
- C.
4
- D.
5
- E.
6
- 20.Leads that record more than one point of contact?
- A.
Unipolar leads
- B.
Agumented leads
- C.
Bipolar leads
- D.
Precordial leads
- 21.There are _____ unipolar leads.
- A.
6
- B.
7
- C.
8
- D.
9
- E.
12
- 22.The unipolar lead that is recorded from the right arm is _____?
- 23.The unipolar lead that is recorded from the left arm is the ____?
- 24.The unipolar lead that is recorded form the left foot is _____?
- 25.What is the correct color combination of the limb leads
- A.
RA red LA green RLorange LL black
- B.
RA white LA red RL black LL green
- C.
RA black LA white RL red LL green
- D.
RA white LA black RL green LL red
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