NCCT MEDICAL ASSISTANT EXAM QUESTIONS AND
ANSWERS LATEST UPDATE
The human heart consists of _ valves
4
Sac surrounding the heart is
Pericardium
The innermost layer of the heart is
Endocardium
The outermost layer of the heart
Epicardium
The middle layer of the heart is
Myocardium
The muscular layer of the heart is
Myocardium
Which of the following are bipolar leads
Lead I, III, III
Which are the following are unipolar leads
aVR, aVL, and aVF
Which of the following are precordial leads
V1-V6
Placement of V1 electrode in a 12 lead EKG would be
4th intercostal space to right of the sternum
Placement of V2 electrode in a 12 lead EKG would be
4th intercostal space to left of the sternum
Placement of V3 electrode in a 12 lead EKG would be
Between V2 and V4
P wave morphology can be best described by
The first wave seen
T wave morphology can be best described by
The rounded upright wave following the QRS
PR interval morphology can be best described by
, Distance between beginning of P wave and beginning of QRS
QT interval morphology can be best described by
Measured from beginning of QRS to end of T wave
U wave morphology can be best described by
Small rounded, upright wave following T wave
Placement of V4 electrode in a 12 lead EKG would be
5th intercostal space at the left midclavicular line
Placement of V5 electrode in a 12 lead EKG would be
5th intercostal space at the left anterior axillary line
Place of the V6 electrode in a 12 lead EKG would be
5th intercostal space at the left mid axillary line
QRS complex morphology can be best described by
Deflections of 3 waves followed by the P wave
ST segment morphology can be best described by
Distance between S wave and the beginning of the T wave
What is a cardiac cycle
Sequence of the event in 1 heart beat. Blood is pumped through the entire
cardiovascular system.
A systole can be identified as the
Contraction phase
Stroke volume can be described as
Amount of blood ejected from either ventricle in a single contraction
A diastole can be identified as the
Relaxation phase
Which of the following options best describes the cardiac output
Amount of blood pumped through the cardiovascular system in 1 minute
Which of the following is a property of a cardiac cell
Automaticity, Excitability, Conductivity
Heart is located in the
Mediastinum
Ventricle are the
ANSWERS LATEST UPDATE
The human heart consists of _ valves
4
Sac surrounding the heart is
Pericardium
The innermost layer of the heart is
Endocardium
The outermost layer of the heart
Epicardium
The middle layer of the heart is
Myocardium
The muscular layer of the heart is
Myocardium
Which of the following are bipolar leads
Lead I, III, III
Which are the following are unipolar leads
aVR, aVL, and aVF
Which of the following are precordial leads
V1-V6
Placement of V1 electrode in a 12 lead EKG would be
4th intercostal space to right of the sternum
Placement of V2 electrode in a 12 lead EKG would be
4th intercostal space to left of the sternum
Placement of V3 electrode in a 12 lead EKG would be
Between V2 and V4
P wave morphology can be best described by
The first wave seen
T wave morphology can be best described by
The rounded upright wave following the QRS
PR interval morphology can be best described by
, Distance between beginning of P wave and beginning of QRS
QT interval morphology can be best described by
Measured from beginning of QRS to end of T wave
U wave morphology can be best described by
Small rounded, upright wave following T wave
Placement of V4 electrode in a 12 lead EKG would be
5th intercostal space at the left midclavicular line
Placement of V5 electrode in a 12 lead EKG would be
5th intercostal space at the left anterior axillary line
Place of the V6 electrode in a 12 lead EKG would be
5th intercostal space at the left mid axillary line
QRS complex morphology can be best described by
Deflections of 3 waves followed by the P wave
ST segment morphology can be best described by
Distance between S wave and the beginning of the T wave
What is a cardiac cycle
Sequence of the event in 1 heart beat. Blood is pumped through the entire
cardiovascular system.
A systole can be identified as the
Contraction phase
Stroke volume can be described as
Amount of blood ejected from either ventricle in a single contraction
A diastole can be identified as the
Relaxation phase
Which of the following options best describes the cardiac output
Amount of blood pumped through the cardiovascular system in 1 minute
Which of the following is a property of a cardiac cell
Automaticity, Excitability, Conductivity
Heart is located in the
Mediastinum
Ventricle are the
