CNIM Exam Questions to Re-Study With Complete Solutions

What is the initial event that occurs when the action potential threshold of a neuron is reached? correct answer: Voltage gated Sodium channels open What does the sodium potassium pump do? correct answer: Pumps K+ into cell and Na out of cell Which of the following has the greatest effect on SSEP Monitoring? -Fentanyl -Diazepam -Pavulon -Sevoflourane correct answer: -Diazepam Which of the following is a barbituate? -Remifentanil -Methohexital -Curare -Nitrous Oxide correct answer: -Methohexital Desflurane has more rapid onset and recovery than isolfurane because: correct answer: Desflurane has a HIGHER blood solubility than Isoflurane Which SSEP peaks are more affected by Desflurane? correct answer: -Later cortical peaks will be more affected than earlier peaks, so if you're comparing N20 to P100 the answer will be P100 What will fentanyl infusion do to our signals? correct answer: Increase latency and decrease amplitude If you have a lot of high frequency noise in your BAEPs you can change your filter from: correct answer: Hz If sound intensity is increased from 20 dB to 40 dB then the sound pressure has increased by a factor of? What is SPL and its equation? correct answer: 10 -SPL is sound pressure level, the equation for it i: dB= 20log(Pressure)