NCCT MEDICAL ASSISTANT REVIEW
COMPLETE EXAM SOLUTION
The human heart consists of _ valves –
ANS IS 4
Sac surrounding the heart is –
ANS IS Pericardium
The innermost layer of the heart is –
ANS IS Endocardium
The outermost layer of the heart –
ANS IS Epicardium
The middle layer of the heart is –
ANS IS Myocardium
The muscular layer of the heart is –
ANS IS Myocardium
Which of the following are bipolar leads –
ANS IS Lead I, III, III
Which are the following are unipolar leads –
ANS IS aVR, aVL, and aVF
Which of the following are precordial leads –
ANS IS V1-V6
Placement of V1 electrode in a 12 lead EKG would be –
ANS IS 4th intercostal space to right of the sternum
,Placement of V2 electrode in a 12 lead EKG would be –
ANS IS 4th intercostal space to left of the sternum
Placement of V3 electrode in a 12 lead EKG would be –
ANS IS Between V2 and V4
P wave morphology can be best described by –
ANS IS The first wave seen
T wave morphology can be best described by –
ANS IS The rounded upright wave following the QRS
PR interval morphology can be best described by –
ANS IS Distance between beginning of P wave and beginning of QRS
QT interval morphology can be best described by –
ANS IS Measured from beginning of QRS to end of T wave
U wave morphology can be best described by –
ANS IS Small rounded, upright wave following T wave
Placement of V4 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left midclavicular line
Placement of V5 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left anterior axillary line
Place of the V6 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left mid axillary line
QRS complex morphology can be best described by - ANS IS Deflections of 3 waves
followed by the P wave
ST segment morphology can be best described by - ANS IS Distance between S wave
and the beginning of the T wave
What is a cardiac cycle - ANS IS Sequence of the event in 1 heart beat. Blood is
pumped through the entire cardiovascular system.
,A systole can be identified as the - ANS IS Contraction phase
Stroke volume can be described as - ANS IS Amount of blood ejected from either
ventricle in a single contraction
A diastole can be identified as the - ANS IS Relaxation phase
Which of the following options best describes the cardiac output - ANS IS Amount of
blood pumped through the cardiovascular system in 1 minute
Which of the following is a property of a cardiac cell - ANS IS Automaticity, Excitability,
Conductivity
Heart is located in the - ANS IS Mediastinum
Ventricle are the - ANS IS Lower chambers of the heart
Which of the following is not a commonly seen wave on an EKG tracing - ANS IS U
wave
The ability of the heart to create its own electrical impulse would be termed - ANS IS
Automaticity
Which of the following options best described de-oxygenated blood - ANS IS Blood
having no oxygen
Which of the following option best describe oxygenated blood - ANS IS Blood having
oxygen
Range for normal heart beat would be between - ANS IS 60-100
Bradycardia can be described as - ANS IS Slow heart rate
Tachycardia can be described as - ANS IS Fast heart rate
Which of the following is the most important step in performing an EKG - ANS IS
Identify the patient
Which of the following is the correct statement - ANS IS 1 big square equal 5 small
squares
Which of the following is the correct statement - ANS IS 1 small square = 0.04 sec
A 0.20 sec on an EKG tracing is equal to - ANS IS 1 big square
, Which of the following describes heart rate - ANS IS The number of times the heart
beats per minute
Most common way for assessing a regular rhythm on a EKG tracing would be to count -
ANS IS The number of large boxes between 2 R waves
Which method should be used to calculate heart rate when using large boxes as
reference in a 6 sec EKG tracing - ANS IS 300 / number of boxes
Which method should be used to calculate heart rate when using small boxes as
reference in a 6 sec EKG tracing - ANS IS 1500 / number of boxes
If the distance between 2 R waves is 15 small boxes, the heart rate would be
interpreted as - ANS IS 100 bpm
If the distance between 2 R waves is 10 small boxes, the heart rate would be
interpreted as - ANS IS 150 bpm
If the distance between 2 R waves is 5 small boxes, the heart rate would be interpreted
as - ANS IS 300 bpm
If the distance between 2 R waves is 5 large boxes, the heart rate would be interpreted
as - ANS IS 60 bpm
If the distance between 2 R waves is 10 large boxes, the heart rate would be interpreted
as - ANS IS 30 bpm
If the distance between 2 R waves is 15 large boxes, the heart rate would be interpreted
as - ANS IS 20 bpm
Which of the following can be interpreted by EKG - ANS IS Rate
Regularity - ANS IS
P wave - ANS IS
Sinus bradycardia would most likely have a heart rate of - ANS IS <60 bpm
Sinus tachycardia would most likely have a heart rate of - ANS IS >100 bpm
Most common type of EKG application used in a physician office setting would be - ANS
IS 12 leads
The location of Sino-Atrial is - ANS IS Upper portion of the right atrium
The location of internodal pathway is - ANS IS Between SA and AV node
COMPLETE EXAM SOLUTION
The human heart consists of _ valves –
ANS IS 4
Sac surrounding the heart is –
ANS IS Pericardium
The innermost layer of the heart is –
ANS IS Endocardium
The outermost layer of the heart –
ANS IS Epicardium
The middle layer of the heart is –
ANS IS Myocardium
The muscular layer of the heart is –
ANS IS Myocardium
Which of the following are bipolar leads –
ANS IS Lead I, III, III
Which are the following are unipolar leads –
ANS IS aVR, aVL, and aVF
Which of the following are precordial leads –
ANS IS V1-V6
Placement of V1 electrode in a 12 lead EKG would be –
ANS IS 4th intercostal space to right of the sternum
,Placement of V2 electrode in a 12 lead EKG would be –
ANS IS 4th intercostal space to left of the sternum
Placement of V3 electrode in a 12 lead EKG would be –
ANS IS Between V2 and V4
P wave morphology can be best described by –
ANS IS The first wave seen
T wave morphology can be best described by –
ANS IS The rounded upright wave following the QRS
PR interval morphology can be best described by –
ANS IS Distance between beginning of P wave and beginning of QRS
QT interval morphology can be best described by –
ANS IS Measured from beginning of QRS to end of T wave
U wave morphology can be best described by –
ANS IS Small rounded, upright wave following T wave
Placement of V4 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left midclavicular line
Placement of V5 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left anterior axillary line
Place of the V6 electrode in a 12 lead EKG would be - ANS IS 5th intercostal space at
the left mid axillary line
QRS complex morphology can be best described by - ANS IS Deflections of 3 waves
followed by the P wave
ST segment morphology can be best described by - ANS IS Distance between S wave
and the beginning of the T wave
What is a cardiac cycle - ANS IS Sequence of the event in 1 heart beat. Blood is
pumped through the entire cardiovascular system.
,A systole can be identified as the - ANS IS Contraction phase
Stroke volume can be described as - ANS IS Amount of blood ejected from either
ventricle in a single contraction
A diastole can be identified as the - ANS IS Relaxation phase
Which of the following options best describes the cardiac output - ANS IS Amount of
blood pumped through the cardiovascular system in 1 minute
Which of the following is a property of a cardiac cell - ANS IS Automaticity, Excitability,
Conductivity
Heart is located in the - ANS IS Mediastinum
Ventricle are the - ANS IS Lower chambers of the heart
Which of the following is not a commonly seen wave on an EKG tracing - ANS IS U
wave
The ability of the heart to create its own electrical impulse would be termed - ANS IS
Automaticity
Which of the following options best described de-oxygenated blood - ANS IS Blood
having no oxygen
Which of the following option best describe oxygenated blood - ANS IS Blood having
oxygen
Range for normal heart beat would be between - ANS IS 60-100
Bradycardia can be described as - ANS IS Slow heart rate
Tachycardia can be described as - ANS IS Fast heart rate
Which of the following is the most important step in performing an EKG - ANS IS
Identify the patient
Which of the following is the correct statement - ANS IS 1 big square equal 5 small
squares
Which of the following is the correct statement - ANS IS 1 small square = 0.04 sec
A 0.20 sec on an EKG tracing is equal to - ANS IS 1 big square
, Which of the following describes heart rate - ANS IS The number of times the heart
beats per minute
Most common way for assessing a regular rhythm on a EKG tracing would be to count -
ANS IS The number of large boxes between 2 R waves
Which method should be used to calculate heart rate when using large boxes as
reference in a 6 sec EKG tracing - ANS IS 300 / number of boxes
Which method should be used to calculate heart rate when using small boxes as
reference in a 6 sec EKG tracing - ANS IS 1500 / number of boxes
If the distance between 2 R waves is 15 small boxes, the heart rate would be
interpreted as - ANS IS 100 bpm
If the distance between 2 R waves is 10 small boxes, the heart rate would be
interpreted as - ANS IS 150 bpm
If the distance between 2 R waves is 5 small boxes, the heart rate would be interpreted
as - ANS IS 300 bpm
If the distance between 2 R waves is 5 large boxes, the heart rate would be interpreted
as - ANS IS 60 bpm
If the distance between 2 R waves is 10 large boxes, the heart rate would be interpreted
as - ANS IS 30 bpm
If the distance between 2 R waves is 15 large boxes, the heart rate would be interpreted
as - ANS IS 20 bpm
Which of the following can be interpreted by EKG - ANS IS Rate
Regularity - ANS IS
P wave - ANS IS
Sinus bradycardia would most likely have a heart rate of - ANS IS <60 bpm
Sinus tachycardia would most likely have a heart rate of - ANS IS >100 bpm
Most common type of EKG application used in a physician office setting would be - ANS
IS 12 leads
The location of Sino-Atrial is - ANS IS Upper portion of the right atrium
The location of internodal pathway is - ANS IS Between SA and AV node
