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EKG
ECG paper should be moving at what speed
Electrocardiography is used to
EKG
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Basics in EKG technology
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Answers
1
Electrocardiography is used to
Detect the presence of cardiac ischemia
Determine the presence of hypertrophy of the heart
Detect a dysrhythmia
Evaluate chest pain or shortness of breath
2
ECG paper should be moving at what speed
10 mm/sec
Twice the normal standard
15 mm/sec
25 mm/sec
3
aVR, aVL, and aVF are known as the
augmented leads
chest leads
standardization leads
bipolar leads
4
If the body doesn't get oxygen
body system failure
death of cells
organ failure
death
5
How high is the standardization mark when the electrocardiograph is properly standardized
15mm
25mm
10mm
20mm
6
Which electrode is used as a ground reference
L arm
R arm
L leg
R leg
7
purpose of PFT is to
Access lung function
Detect cardiac dysrhythmias
Dilate the bronchial tubes to increase airflow
Remove mucus from the bronchial tubes
8
Which of the following is NOT an example of a pulmonary function test
Coronary angiography
Arterial blood gas study
Pulse oximetry
Diffusion capacity
9
Which of the following does NOT require home oxygen therapy?
HCV
CHF
COPD
Cystic Fibrosis
10
Chest lead V
2
is located at the
3rd intercostal space
5th intercostal space
4th intercostal space
6th intercostal space
11
Electrical voltage received by the electrocardiograph is changed to mechanical motion
Galvanometer
Amplifier
Stylus
Wires
12
device placed on the skin that picks up electrical impulses
wire
amplifier
Holter monitor
electrode
13
Name given to the portion of the ECG between two waves
Interval
Baseline
Segment
Current
14
What is not a muscle artifact
nervous pt
pt discomfort
pt coughing
loose electrodes
15
the following oxygen delivery systems separates oxygen from the air for use by the patient
Liquid Oxygen
Oxygen Concentrator
Oxygen compressor
Compressed Oxygen
16
What is a cardiac cycle?
the contraction of the ventricles
Relaxation of the heart
the contraction of the heart
1 complete heartbeat
17
An electrocardiogram is a recording of the
Electrical Activity of the arteries
Contraction and relaxation of the ventricles
Opening and closing of theheart
Electrical activity of the heart
18
How many leads are on the ECG
18
10
16
12
19
electrode is held in place by
an adhesive backing
staples
super glue
your mama
20
What term is used to refer to an electrocardiogram result that is within normal limits
Sinus arrhythmia
Normal sinus rhythm
WNL
Baseline recording
21
Which of the following are asthma triggers
Tabacco smoke
Physical exercise
Animal dander
House dust
22
Which of the following is NOT a guideline for oxygen usage
Never smoke while using oxygen.
Store oxygen cylinders in an upright position.
Store in a clean, dry, well-ventilated room.
Use 50 feet of tubing with the oxygen delivery system.
23
measures how much air is exhaled by the lungs and how fast it is exhaled?
Pulse oximeter
Tympanogram
Spirometer
Blood gas analyzer
24
artifacts
Electrical activity picked up by the MA
Additional electrical activity picked up by the heart
The wave of a segment
25
Leads 1, 2, 3 are the
chest leads
bipolar leads
precordial leads
augmented leads
