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CNIM exam 4 questions with correct answers graded A+
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CNIM exam 4 questions with correct answers graded A+
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CNIM exam 44. If an amplifier is rated as having 120dB common mode rejection ratio, which of the following ratios of
in-phase to
out-of-phase signals would be expected?
10,000:1
100,000:1
500,000:1
1,000,000:1 - correct answer ✔✔1,000,000:1
7. Which of the following opposes any change in current?
Capacitance
Impedance
Inductance
Resistance - correct answer ✔✔Inductance
The ability of an inductor to store energy in the form of a magnetic field (and consequently to oppose
changes in current) is called inductance.
. Which of the following electrode materials has little electrode potential drift and a
long time constant?
Tin
Gold
Silver
Stainless steel - correct answer ✔✔Gold
With referential recording, maximal amplitude cortical evoked potentials following stimulation of the left
posterior
tibial nerve usually would be found between:
, C3 and Cz
C4 and P4
Fz and Cz
C4 and Cz - correct answer ✔✔C3 and Cz
Contralateral
medial cortex
directs the
P37 toward
ipsilateral
scalp (CPz and CPi)
Which of the following will best record the P37 peak following left posterior tibial nerve stimulation?
CP3
CP4
Fpz
C5S - correct answer ✔✔CP3
Contralateral
medial cortex
directs the
P37 toward
ipsilateral
scalp (CPz and CPi)
Identification of wave V of the BAEP may require
Tympanic electrodes
Bilateral stimulation
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