2024 CNIM Section II Latest Questions With Complete Grade A Answers

2024 CNIM Section II Latest Questions With Complete Grade A Answers 1. An objective measure of meaningful change to use to warn the surgeon isthe Answer: 50% amplitude decrease. 2. D-Wave amplitude_ and latency as you move caudally down the spinalcord. Answer: decreases, increases 3. Where is the BAEP wave V generated? Answer: Midbrain 4. Electrocochleogram (EcochG) Answer: All are correct 5. The absence of N20 obligate waveform may reflect a Answer: Subcortical lesion of theascending somatosensory pathway 6. What is the effect of nerve ischemia on EMG? Answer: No detectible EMG activity 7. The stimulation rate most suitable for tibial SSEP monitoring is: Answer: 2.1 Hz. 8. According to the ACNS guidelines, what is the most appropriate repetitionrate for SSEP stimulation? Answer: 2-8/sec 9. Contralateral masking should be used during BAEP monitoring to: Answer: Preventcrossover responses 10. Which cranial nerves are at greatest risk of injury during a retrosigmoidacoustic neuroma surgical approach? Answer: CN 7 and 8 11. According to ACNS Guidelines, which of the following will result in reduction of stimulus artifact and rapid acquisition of data? Answer: Alternating polarity anda stimulus rate of 30.1 p/sec. 12. When monitoring from external analsphincter,where should electrodes beplaced? Answer: 2 finger breadths laterally from the edge of the rectum