ASET CNIM Exam With 200
Questions AND ANSWERS
the term "broadband click" refers to
1. peak acoustic power of 2-4kHz
2. short peak acoustic power of 1-2kHz
3. broad peak acoustic power of 1-5kHz
4. a peak acoustic power of 500 Hz to 2kHz - ANSWER-peak acoustic
power of 2-4kHz
Reduction of...
1. peak acoustic power of 2-4kHz
2. short peak acoustic power of 1-2kHz
3. broad peak acoustic power of 1-5kHz
4. a peak acoustic power of 500 Hz to 2kHz - ANSWER-peak acoustic
power of 2-4kHz
Reduction of the high frequency filter
1. has no effect on EP latency
2. has an unpredictable effect on EP latency
3. increases EP latency
4. decreases EP latency - ANSWER-Increases EP latency
The sensitivity setting on an amplifier set to produce a vertical deflection of
1 cm with an input of 10mV is
1. 1mV/mm
2. 1mV/cm
3. 10mV/mm
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4. 20mV/cm - ANSWER-1mV/mm
A rarefaction click occurs when the
1. initial movement of a transducer diaphragm is towards the tympanic
membrane
2. initial movement of a transducer diaphragm is away from the tympanic
membrane
3. movement of a transducer diaphragm alternates in polarity relative to the
tympanic membrane every second trial
4. movement of a transducer diaphragm alternates in polarity relative to the
tympanic membrane on a random basis - ANSWER-initial movement of a
transducer diaphragm is away from the tympanic membrane
Facial nerve EMG responses are best recorded from
1. masseter muscles
2. orbicularis oris and orbicularis oculi muscles
3. the facial nerve
4. stylomastoid foramen - ANSWER-orbicularis oris and obicularis oculi
muscles
Subdermal needle electrodes must be inserted symmetrically over the
homologous brain areas to avoid
1. excessive high impedance
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2. artificial amplitude asymmetries
3. excessive bleeding
4. common mode rejection of the EEG signal - ANSWER-artificial
amplitude asymmetries
All of the following are true of magnetic stimulation except
1. an electrical stimulator is required to pace the stimulus
2. the stimulation is not perceived as painful
3. pulses of current are delivered through a coil of wire
4. magnetic field created causes movement in cortical neurons - ANSWER-
an electrical stimulator is required to pace the stimulus
Well-maintained documentation is imperative throughout a surgical case in
order to
1. provide details of events associated with a functional loss
2. require the technologist to focus on the operative procedure
3. justify billing for monitoring service
4. all of the above - ANSWER-provide details of events associated with a
functional loss
It is required that the monitoring tech be able to communicate effectively
with
1. the surgical technologist
2. surgical residents
3. surgeon only
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4. anesthesiologist and surgeon - ANSWER-anesthesia and surgeon
With exposure provided by laminectomy, needle electrodes can record
spinal activity with placement
1. on the spinal cord
2. in the epidural space
3. in the pedicle
4. in the spinal muscle - ANSWER-in the epidural space
To record the compound action potential of the median nerve
intraoperatively, the electrode should be placed at
1 antecubital fossa
2. the wrist
3. C2
4. the shoulder - ANSWER-antecubital fossa
An advantage to using grid or strip electrodes over the "crown of thorns" for
recording the ECoG is the ability to
1. place electrodes precisely on gyri
2. sterilize and reuse them
3. individually position each contact
4. slide them under the dura to unexposed areas - ANSWER-slide them
under the dura to unexposed areas
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