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Chapter 27 Cardiopulmonary Procedures Flashcards | StudBud
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Chapter 27 Cardiopulmonary Procedures
Represents the contraction of the atria
What is a cardiac cycle?
Chapter 27 Cardiopulmonary Procedures
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1
What is a cardiac cycle?
One complete heartbeat
Relaxation of the entire heart
Contraction of the ventricles
Contraction of the atria
2
Represents the contraction of the atria
P wave
T wave
QRS Segment
ST Segment
3
Where is chest lead V5 located?
At the fifth intercostal space at the junction of the left midclavicular
At the horizontal level of V4 at the left midaxillary line
Midway between V4 and V6
At the horizontal level of V4 at the left anterior axillary line
4
What is a Holter monitor used for?
Assess the effectiveness of a pacemaker
Evaluate patients with unexplained chest pain
Detect cardiac dysrhythmias that are intermittent in nature
All of the above
5
Represents the period of time when the heart rests
P-R interval
P-R segment
ST segment
Baseline
6
Where is chest lead V2 located?
Fourth intercostal space at the right margin of the sternum
Fourth intercostal space at the left margin of the sternum
Fifth intercostal space at the junction of the left midclavicular line
Fifth intercostal space at the left margin of the sternum
7
Represents the time from the beginning of atrial depolarization to the beginning of ventricular depolarization
ST segment
P-R interval
QRS complex
P-R segment
8
Represents the time from the end of ventricular depolarization to the beginning of repolarization of the ventricles
ST segment
P-R segment
P-R interval
Q-T interval
9
How many leads are there on a standard ECG?
5
7
15
12
10
What are the bipolar leads?
LL, RL
LA, RA
Leads 4,5,6
Leads 1,2,3
11
What is electrocardiography used for?
Evaluate chest pain or shortness of breath
Detect the presence of cardiac ischemia
All of the above
Detect a dysrhythmia
12
What is the purpose of the peak flow meter?
Measure how quickly air flows out of the lungs
Diagnose asthma
Deliver asthma medication to the lungs
Prevent an asthma attack
13
Represents the contraction of the ventricles
QRS complex
P wave
P-R interval
14
How high is the standardization mark when the electrograph is properly standardized?
5 mm
15 mm
20 mm
10 mm
15
What happens to the bronchial tubes during an asthma attack?
They constrict, swell, and become clogged with mucus
They become hyposensitive to allergens.
They become hard and stiff.
They dilate and go into a spasm.
16
Represents the time from the end of atrial depolarization to the beginning of ventricular depolarization
P wave
Q-T interval
baseline
P-R segment
17
How is a disposable electrode held in place?
superglue
a vacuum cup
a rubber strap
An adhesive backing on the electrode
18
What is the purpose of the pulmonary function test?
Assess lung functioning
Detect cardiac dysrhythmias
Dilate the bronchial tubes to increase airflow
Remove mucus from the bronchial tubes
19
Rep the time interval from the beginning of ventricular depolarization to the end of repolarization of the ventricles
QRS complex
T wave
Q-T interval
P wave
20
Which electrode is used as a ground reference?
left leg
right arm
right leg
left arm
21
A device placed on the skin that picks up electrical impulses released by the heart is known as
an electrolyte
an amplifier
an electrode
a lead wire
22
The paper runs normally at what speed when recording an ECG?
15 mm/sec
50 mm/sec
25 mm/sec
10 mm/sec
23
What are artifacts?
Rare objects uncovered in ancient Peru
The marking code recorded by the ECG to indicate which lead is being run
A type of standardization mark
Additional electrical activity picked up by the electrocardiograph
24
What is an electrocardiogram the recording of?
Opening and closing of the valves of the heart
Force of the blood against the walls of the blood vessels
Electrical activity of the heart
Contraction and relaxation of the ventricles
25
What device measures how much air is exhaled by the lungs and how fast it is exhaled?
Spirometer
Pulse oximeter
Blood gas analyzer
Tympanogram
26
What term is used to refer to an ECG result that is within normal limits?
WNL
Sinus arrhythmia
Normal sinus rhythm
Baseline recording
