CNIM TEST questions with correct answers

In BAEP's, cochlear nucleus lesion causes? - Answer Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? - Answer D-Waves The stimulus used in a brainstem auditory evoked potential study is a click with a peak acoustic power in the range of - Answer 2000 to 4000Hz Which of the following tibial nerve responses is not a near field response? - Answer N31 How many amperes of current will flow in a circuit containing a 2V battery and 10 ohms of resistance? - Answer 0.2 amps In BAEP's blood, betadine or irrigation fluid in tubing causes: - Answer Increase in absolute latency, normal inter-peak latencies In averaging, the period of analysis is called _______ or ________. - Answer Epoch, sweep length While monitoring BAEP, there was a prolongation of wave I through V by more than 2 msec. Which of the following choices is NOT a possible cause? - Answer Increase of isoflurane anesthesia Involuntary movement - Answer Ataxia