CNIM ABRET QUESTIONS WITH CORRECT ANSWERS|100% verifed

CNIM ABRET QUESTIONS WITH CORRECT ANSWERS in which of the following evoked potentials is the scalp position of recording electrodes most critical? CORRECT ANSWER Lower extremity SSEP if an evoked potential has a voltage of 10 uV and the associated noise has a voltage of 50uV, waht is the signal to noise ration after 100 averages responses? CORRECT ANSWER 2:1 To display median nerve SSEP response as an upward deflection, which of the following must be known? CORRECT ANSWER waveform polarity and polarity convention of the amplifier inputs 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? CORRECT ANSWER 1,000,000:1 which cranial nerves innervate the extraocular muscles? CORRECT ANSWER abducens which is a SSEP far-field subcortical potential CORRECT ANSWER N34 (UE far-field subcortical) what is the segmental motor innervation of the pernoeus longus? CORRECT ANSWER L4, L5, S1 what opposes any change in current? CORRECT ANSWER Inductance the dorsal column pathways synapse at which loci on their way to the sensory cortex? CORRECT ANSWER nucleus cuneatus and thalamus With referential recording, maximal amplitude cortical evoked potentials following stimulation of the left posterior tibial nerve usually would be found between CORRECT ANSWER C3 and Cz For preoperative posterior tibial SSEPs, which of the following would be the best ipsilateral location for the ground electrode? CORRECT ANSWER Calf To record the afferent volley after posterior tibial nerve stimulation, an electrode should be placed on the: CORRECT ANSWER T5 spine