RCES part 1 Exam Questions with Verified
Correct Answers
amps
The flow of electrical current is measured in _______?
Impedance
What is the term used to denote the total opposition to flow of alternating current in a circuit?
Battery
What is the most common DC electric power source?
0 Hz
Electric battery current has a frequency of __________.
Filters
The elimination of vibrations at certain frequencies is accomplished through the use of
electronic devices known as __________.
Capacitors
When a DC defibrillator "charges" it stores electrical energy in its__________.
Discharging paddles into a dummy load.
EP lab external defibrillators should be tested by
Energy
The Watt Second (or Joule) is a unit of:
0.1 Amp
What is the current drawn by a resistor of 100 ohms, if a 10 volt battery is applied across it?
5 mA
Using Ohm's law calculate the amount of current drawn by a pacemaker if it's lead resistance is
200 Ohm's and the pacing voltage is 1 volt.
, Hand to hand
In electrical injury, the pathway of current most likely to be fatal is:
Ungrounded, grounded
For maximum electrical safety, the ECG monitored patient should be __________, and the
monitor chassis should be __________ or non-conductive.
Use a battery powered monitor.
In the ICU when recording an intracardiac ECG from a pacing electrode or pericardiocentesis
needle in the heart, it is safest to:
Machine on-off switch was left turned on.
When you plug in an electric instrument, you are alarmed when sparks fly from the wall outlet.
The most likely electrical safety problem is a _______?
1/100
The prefix "centi" corresponds to:
Nano, micro, milli, centi
Arrange the prefixes micro, nano, centi, and milli in order from smallest to largest.
66 lbs
Convert 30 Kg into pounds.
38 degress Celcius
100 Degress Fahrenheit equals_______.
77 degrees Fahrenheit
Convert 25 C into degrees Fahrenheit.
160 msec
A PR interval measures 4 mm long on an ECG strip which was run at paper speed 25 mm/sec.
How long is the PR interval?
60,000 msec/min
In electrophysiology, the formula for calculating heart rate is:
150 bpm
Correct Answers
amps
The flow of electrical current is measured in _______?
Impedance
What is the term used to denote the total opposition to flow of alternating current in a circuit?
Battery
What is the most common DC electric power source?
0 Hz
Electric battery current has a frequency of __________.
Filters
The elimination of vibrations at certain frequencies is accomplished through the use of
electronic devices known as __________.
Capacitors
When a DC defibrillator "charges" it stores electrical energy in its__________.
Discharging paddles into a dummy load.
EP lab external defibrillators should be tested by
Energy
The Watt Second (or Joule) is a unit of:
0.1 Amp
What is the current drawn by a resistor of 100 ohms, if a 10 volt battery is applied across it?
5 mA
Using Ohm's law calculate the amount of current drawn by a pacemaker if it's lead resistance is
200 Ohm's and the pacing voltage is 1 volt.
, Hand to hand
In electrical injury, the pathway of current most likely to be fatal is:
Ungrounded, grounded
For maximum electrical safety, the ECG monitored patient should be __________, and the
monitor chassis should be __________ or non-conductive.
Use a battery powered monitor.
In the ICU when recording an intracardiac ECG from a pacing electrode or pericardiocentesis
needle in the heart, it is safest to:
Machine on-off switch was left turned on.
When you plug in an electric instrument, you are alarmed when sparks fly from the wall outlet.
The most likely electrical safety problem is a _______?
1/100
The prefix "centi" corresponds to:
Nano, micro, milli, centi
Arrange the prefixes micro, nano, centi, and milli in order from smallest to largest.
66 lbs
Convert 30 Kg into pounds.
38 degress Celcius
100 Degress Fahrenheit equals_______.
77 degrees Fahrenheit
Convert 25 C into degrees Fahrenheit.
160 msec
A PR interval measures 4 mm long on an ECG strip which was run at paper speed 25 mm/sec.
How long is the PR interval?
60,000 msec/min
In electrophysiology, the formula for calculating heart rate is:
150 bpm
