WorksheetsWeek 3 Quiz
Total questions: 15
Worksheet time: 6mins
DC defibrillators use an inductor to
Store some of the energy produced
Slow down the duration of discharge
Reduce the contact resistance of the electrode
Synchronized DC Defibrillator reduces atrial fibrillation caused by defibrillation current flow during U wave of cardiac cycle
True
False
One of the key features of the Double Square Pulse Defibrillator is that it allows total defibrillation to occur.
True
False
During (a) electrosurgery the forceps used contains both active and return electrode.
During Electrotomy voltage applied to generate the heat needed for cutting is higher than the voltage required for coagulation.
True
False
An (a) is developed between the needle and the tissue during fulguration.
Fulguration is mainly used to destroy deep-seated tissues such as tumours and abnormal cell growth.
True
False
Coagulation uses RF wave bursts.
True
False
Which of the following is NOT true about desiccation?
The needle is placed in contact with the tissue.
It is used to dehydrate unwanted tissues.
It is used to repair ruptured capillaries.
Which of the following waveforms results in the widest thermal spread in tissues?
Blended
Cutting
Coagulation
Which of the following is NOT true about short-wave diathermy?
The stimulation of sensory and motor nerves are minimized during its application.
It involves little to no patient discomfort.
Gives better therapeutic results than microwave diathermy.
Drug delivery across the skin through Iontophoresis can be accomplished using?
Exponential current stimulation
Faradic current stimulation
Galvanic current stimulation
Identify the electrotherapy waveform shown in the diagram.
Exponential current stimulation
Faradic current stimulation
Interrupted galvanic current stimulation
A faradic current waveform can be generated using a monostable multivibrator
True
False
Which of the following statements about Interrupted Galvanic is INCORRECT?
It is type of rectangular waves
It cause brisk muscle contraction
It cause innervated muscles to contract
