Cnim Practice Questions. Study Guide Rated A+

Brain activity recorded directly from the cortex (ECoG) is very high in amplitude and usually requires sensitivities in the range of: a. 200 to 300 uV/mm b. 100 to 150 uV/mm c. 10 to 50 uV/mm d. 40 to 100 uV/mm {Ans: d. 40 to 100 uV/mm}Universal precautions eliminate potential contact with body fluids that transmit: a. Electrical current b. Bacteriostatic viruses c. Meningitis d. Bloodborne pathogens {Ans: d. Bloodborne pathogens}What is the most likely effect of isoflurane at MAC 1.5 on tibialis anterior CMAP amplitude in response to spinal stimulation? 1. Marked increase 2. Marked decrease 3. Minimal decrease 4. Minimal increase {Ans: 2. Marked decrease}What motor function is interhemispheric? a. face b. upper extremities c. lower extremities d. lips {Ans: c. lower extremities}Reduction of the high frequency filter: a. decreases evoked potential latency b. decreases evoked potential latency c. has no effect on evoked potential latency d. has an unpredictable effect on evoked potential latency e. increases evoked potential latency {Ans: e. increases evoked potential latency}For preoperative posterior tibial somatosensory evoked potential, which of the following would be the best ipsilateral location for the ground electrode? 1. arm 2. calf 3. mastoid 4.