CCI CRAT Flash Cards || 100% VERIFIED QUESTIONS
& ANSWERS!!
Heart Rate of Normal Sinus Rhythm (NSR) correct answers 60-100 BPM
Heart Rate of Sinus Tachycardia (ST) correct answers 101+ BPM
Heart Rate of Sinus Bradycardia (SB) correct answers 59 or less BPM
The horizontal axis on the grid paper records____________. correct answers time.
How many large grid blocks on the EKG paper mark one second in time? correct answers
Five (5).
How long in seconds is one large block on the EKG paper? correct answers 0.2 seconds (thus,
five large blocks marks 1 second in time).
The vertical axis on the grid paper records _________________. correct answers EKG
Amplitude (voltage).
How many millivolts (mV) is one small block on the EKG paper? correct answers 0.1 mV
How many millivolts (mV) is one large block on the EKG paper? correct answers 0.5 mV
10 mm equals how many millivolts (mV)? correct answers 1.0 mV
6 mm equals how many millivolts (mV)? correct answers 0.6 mV
3 mm equals how many millivolts (mV)? correct answers 0.3 mV
5 mm equals how many millivolts (mV)? correct answers 0.5 mV
What is the amplitude if a complex is 22 small boxes tall, vertically? correct answers 2.2 mV
What is the amplitude if a complex is 14 small boxes tall, vertically? correct answers 1.4 mV
What is the amplitude if a complex is 7 small boxes tall, vertically? correct answers 0.7 mV
How many seconds does one small box horizontally represent? correct answers 0.04 seconds
(thus 5 small boxes horizontally, equals 0.20 seconds (one large box)).
What is the normal/typical speed of EKG paper? correct answers 25 mm/second
Name the lettered components of a normal heartbeat found on an EKG? correct answers P, Q,
R, S, T, U
What is a P-wave and what does it represent in a heart beat? correct answers The first
deflection.
, Normally positive (upward) waveform.
Indicates atrial depolarization.
What follows a p-wave on an EKG tracing? correct answers A QRS Complex.
What does a QRS complex represent? correct answers Ventricular Depolarization
What is a t-wave and what does it represent in a heart beat? correct answers A "normally"
modest positive (upward) waveform.
Indicates ventricular repolarization.
What is a U-wave? correct answers Follows the t-wave.
Represents recovery of the Purkinje fibers.
Important: May not be observable on an EKG tracing.
The "Zoll Way" to assist with Rhythm interpretation (REMEMBER TO HELP WITH
INTERPRETATION ON THE EXAM): correct answers Rhythm
Rate
P Wave
PR Interval
QRS Interval
T Wave
How many chambers does the heart have? correct answers Four (4).
The _________________ are the receiving chambers of the heart. correct answers Atria
(Singular: Atrium)
The _______________ are the pumping chambers of the heart. correct answers Ventricles
(Singular: Ventricle)
What separates the heart into left and right ventricles? correct answers The Septum
On an EKG tracing, what represents atrial depolarization? correct answers The P-wave
On an EKG tracing, what represents ventricular depolarization? correct answers The QRS
complex
On an EKG tracing, what represents ventricular repolarization? correct answers The T-wave
From start to finish in the electrical conduction system of the heart, name the main
components: correct answers Sino-atrial node, Atrioventricular node, Bundle of HIS, Right
and Left Bundle Branches, and finally the Purkinje Fibers.
What are the four sinus rhythms? correct answers Normal sinus, Sinus Tachycardia, Sinus
Bradycardia, and Sinus Arrythmia.
& ANSWERS!!
Heart Rate of Normal Sinus Rhythm (NSR) correct answers 60-100 BPM
Heart Rate of Sinus Tachycardia (ST) correct answers 101+ BPM
Heart Rate of Sinus Bradycardia (SB) correct answers 59 or less BPM
The horizontal axis on the grid paper records____________. correct answers time.
How many large grid blocks on the EKG paper mark one second in time? correct answers
Five (5).
How long in seconds is one large block on the EKG paper? correct answers 0.2 seconds (thus,
five large blocks marks 1 second in time).
The vertical axis on the grid paper records _________________. correct answers EKG
Amplitude (voltage).
How many millivolts (mV) is one small block on the EKG paper? correct answers 0.1 mV
How many millivolts (mV) is one large block on the EKG paper? correct answers 0.5 mV
10 mm equals how many millivolts (mV)? correct answers 1.0 mV
6 mm equals how many millivolts (mV)? correct answers 0.6 mV
3 mm equals how many millivolts (mV)? correct answers 0.3 mV
5 mm equals how many millivolts (mV)? correct answers 0.5 mV
What is the amplitude if a complex is 22 small boxes tall, vertically? correct answers 2.2 mV
What is the amplitude if a complex is 14 small boxes tall, vertically? correct answers 1.4 mV
What is the amplitude if a complex is 7 small boxes tall, vertically? correct answers 0.7 mV
How many seconds does one small box horizontally represent? correct answers 0.04 seconds
(thus 5 small boxes horizontally, equals 0.20 seconds (one large box)).
What is the normal/typical speed of EKG paper? correct answers 25 mm/second
Name the lettered components of a normal heartbeat found on an EKG? correct answers P, Q,
R, S, T, U
What is a P-wave and what does it represent in a heart beat? correct answers The first
deflection.
, Normally positive (upward) waveform.
Indicates atrial depolarization.
What follows a p-wave on an EKG tracing? correct answers A QRS Complex.
What does a QRS complex represent? correct answers Ventricular Depolarization
What is a t-wave and what does it represent in a heart beat? correct answers A "normally"
modest positive (upward) waveform.
Indicates ventricular repolarization.
What is a U-wave? correct answers Follows the t-wave.
Represents recovery of the Purkinje fibers.
Important: May not be observable on an EKG tracing.
The "Zoll Way" to assist with Rhythm interpretation (REMEMBER TO HELP WITH
INTERPRETATION ON THE EXAM): correct answers Rhythm
Rate
P Wave
PR Interval
QRS Interval
T Wave
How many chambers does the heart have? correct answers Four (4).
The _________________ are the receiving chambers of the heart. correct answers Atria
(Singular: Atrium)
The _______________ are the pumping chambers of the heart. correct answers Ventricles
(Singular: Ventricle)
What separates the heart into left and right ventricles? correct answers The Septum
On an EKG tracing, what represents atrial depolarization? correct answers The P-wave
On an EKG tracing, what represents ventricular depolarization? correct answers The QRS
complex
On an EKG tracing, what represents ventricular repolarization? correct answers The T-wave
From start to finish in the electrical conduction system of the heart, name the main
components: correct answers Sino-atrial node, Atrioventricular node, Bundle of HIS, Right
and Left Bundle Branches, and finally the Purkinje Fibers.
What are the four sinus rhythms? correct answers Normal sinus, Sinus Tachycardia, Sinus
Bradycardia, and Sinus Arrythmia.
