The human heart consist of how many valves? - ANSWER 4 valves
Sac surrounding the heart is what? - ANSWER Pericardium
The inner most layer of the heart is called? - ANSWER Endocardium
The outer most layer of the heart is called? - ANSWER Epicardium
The middle layer of the heart is called? - ANSWER Myocardium
The muscular layer of the heart is called? - ANSWER Myocardium
Which of the following are bipolar leads? - ANSWER Lead 1, 11, 111.
Which is unipolar leads? - ANSWER aVR, aVL, aVF.
Which of the following are precordial leads? - ANSWER V1-V6
Placement of the V1 electrode Ina 12 lead EKG would be? - ANSWER 4th intercostal
space to the right sternum
P wave morphology can be best described by? - ANSWER The first wave seen
T wave morphology can be best described ? - ANSWER The rounded upright wave
following the QRS
PR interval morphology can be best described by? - ANSWER The distance between
beginning of the p wave and the beginning of the QRS
QT interval morphology can be best described by? - ANSWER Measure from the
beginning of QRS To the end of T wave
U wave morphology can be best described by ? - ANSWER Small rounded, upright
wave following T wave.
QRS morphology can be best described by? - ANSWER Deflection of 3 wave followed
by the P wave
ST segment morphology can be best described by - ANSWER Distance between S
wave and the beginning of the T wave
What is a cardiac cycle - ANSWER Sequence of event in one heartbeat. Blood is
pumped through the entire cardiovascular system
, A systole can be identified as the ? - ANSWER Contraction phase
Stroke volume can be described as? - ANSWER The amount of blood ejected from
either ventricle In a single contraction
A diastole can be described as the ? - ANSWER The relaxation phase
What is cardiac output? - ANSWER The amount of blood blood pumped through the
cardiovascular system in one minute.
Properties of cardiac cell - ANSWER Automaticity Excitability Conductivity
Heart is located in the? - ANSWER Mediastinum
Ventricles are the? - ANSWER Lower chamber of the heart
Which is not a commonly seen wave on an EKG tracing? - ANSWER U wave
The ability of the heart to create Tia own electrical impulses would be termed? -
ANSWER Automaticity
What do de-oxygenated blood mean? - ANSWER Blood having no oxygen
What is oxygenated blood - ANSWER Blood having oxygen
Range for normal heart beat would range from - ANSWER 60-100
Bradycardia can be described as? - ANSWER Slow heart rate
Tachycardia can be described as? - ANSWER Fast heart rate
Which is an important step in performing an EKG? - ANSWER Identify the patient
Which is a correct statement? - ANSWER 1 big square equal 5 small square
Which is a correct statement - ANSWER 1 small square equal 0.04 sec
0.20 sec on an EKG tracing is equal to - ANSWER 1 big square
Which describes heart rate? - ANSWER The number of times the heart beats per
minutes
Most common way for assessing a regular rhythm on an EKG tracing would be to count
- ANSWER The number of large boxes between the 2 R waves