CCI CRAT UPDATED ACTUAL Exam
Questions and CORRECT Answers
Heart Rate of Normal Sinus Rhythm (NSR) - CORRECT ANSWER 60-100 BPM
Heart Rate of Sinus Tachycardia (ST) - CORRECT ANSWER 101+ BPM
Heart Rate of Sinus Bradycardia (SB) - CORRECT ANSWER 59 or less BPM
The horizontal axis on the grid paper records____________. - CORRECT ANSWER time.
How many large grid blocks on the EKG paper mark one second in time? - CORRECT
ANSWER Five (5).
How long in seconds is one large block on the EKG paper? - CORRECT ANSWER 0.2
seconds (thus, five large blocks marks 1 second in time).
The vertical axis on the grid paper records _________________. - CORRECT
ANSWER EKG Amplitude (voltage).
How many millivolts (mV) is one small block on the EKG paper? - CORRECT ANSWER 0.1
mV
How many millivolts (mV) is one large block on the EKG paper? - CORRECT ANSWER 0.5
mV
10 mm equals how many millivolts (mV)? - CORRECT ANSWER 1.0 mV
6 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.6 mV
, 3 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.3 mV
5 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.5 mV
What is the amplitude if a complex is 22 small boxes tall, vertically? - CORRECT
ANSWER 2.2 mV
What is the amplitude if a complex is 14 small boxes tall, vertically? - CORRECT
ANSWER 1.4 mV
What is the amplitude if a complex is 7 small boxes tall, vertically? - CORRECT
ANSWER 0.7 mV
How many seconds does one small box horizontally represent? - CORRECT ANSWER 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 ANSWER 25 mm/second
Name the lettered components of a normal heartbeat found on an EKG? - CORRECT
ANSWER P, Q, R, S, T, U
What is a P-wave and what does it represent in a heart beat? - CORRECT ANSWER The first
deflection.
Normally positive (upward) waveform.
Indicates atrial depolarization.
Questions and CORRECT Answers
Heart Rate of Normal Sinus Rhythm (NSR) - CORRECT ANSWER 60-100 BPM
Heart Rate of Sinus Tachycardia (ST) - CORRECT ANSWER 101+ BPM
Heart Rate of Sinus Bradycardia (SB) - CORRECT ANSWER 59 or less BPM
The horizontal axis on the grid paper records____________. - CORRECT ANSWER time.
How many large grid blocks on the EKG paper mark one second in time? - CORRECT
ANSWER Five (5).
How long in seconds is one large block on the EKG paper? - CORRECT ANSWER 0.2
seconds (thus, five large blocks marks 1 second in time).
The vertical axis on the grid paper records _________________. - CORRECT
ANSWER EKG Amplitude (voltage).
How many millivolts (mV) is one small block on the EKG paper? - CORRECT ANSWER 0.1
mV
How many millivolts (mV) is one large block on the EKG paper? - CORRECT ANSWER 0.5
mV
10 mm equals how many millivolts (mV)? - CORRECT ANSWER 1.0 mV
6 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.6 mV
, 3 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.3 mV
5 mm equals how many millivolts (mV)? - CORRECT ANSWER 0.5 mV
What is the amplitude if a complex is 22 small boxes tall, vertically? - CORRECT
ANSWER 2.2 mV
What is the amplitude if a complex is 14 small boxes tall, vertically? - CORRECT
ANSWER 1.4 mV
What is the amplitude if a complex is 7 small boxes tall, vertically? - CORRECT
ANSWER 0.7 mV
How many seconds does one small box horizontally represent? - CORRECT ANSWER 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 ANSWER 25 mm/second
Name the lettered components of a normal heartbeat found on an EKG? - CORRECT
ANSWER P, Q, R, S, T, U
What is a P-wave and what does it represent in a heart beat? - CORRECT ANSWER The first
deflection.
Normally positive (upward) waveform.
Indicates atrial depolarization.
