CNIM PRACTICE 591QUESTIONS WITH 100% CORRECT ANSWERS|100% verified

CNIM PRACTICE 591QUESTIONS WITH 100% CORRECT ANSWERS ANASTAMOSIS? CORRECT ANSWER -CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. -COMMUNICATION BETWEEN ARTERIES What causes the most airborne bacteria in OR? a. blood on gown b. blood spill c. skin shed d. patient vent CORRECT ANSWER c. skin shed Nerve that innervates 4th and 5th fingers? CORRECT ANSWER Ulnar Nerve Problem with Bilateral Synchronus Stim? CORRECT ANSWER Can mask unilateral problems No N20 at baseline could mean? CORRECT ANSWER Stroke What should you check 1st if you lose all waves? CORRECT ANSWER Stimulator Which of the following devices measures electrode resistance? 1. Ammeter 2. Ohmmeter 3. Voltmeter 4. Photometer CORRECT ANSWER 2. Ohmmeter If an evoked potential has a voltage of 10uV and the associated noise has a voltage of 50uV, what is the signal to noise ratio after 100 averaged responses? 1. 1:1 2. 1:2 3. 2:1 4. 5:1 CORRECT ANSWER 3. 2:1 To display median nerve SSEP response as an upward deflection, which of the following must be known? 1. Waveform polarity and latency of the response 2. Waveform polarity and polarity convention of the amplifier inputs 3. Polarity convention of amplifier inputs and amplitude of the response 4. Latency of the response and polarity convention of the amplifier inputs CORRECT ANSWER 2. Waveform polarity and polarity convention of the amplifier inputs If an amplifier is rated as having 120 dB common mode rejection rate, which of the following ratios of in-phase to out-of-phase signals would be expected? 1. 10,000:1 2. 100,000:1 3. 500,000:1 4. 1,000,000:1 CORRECT ANSWER 4. 1,000,000:1 Which of the following cranial nerves innervates the extraocular muscles? 1. Optic 2. Facial 3. Abducens 4. Trigeminal CORRECT ANSWER 3. Abducens Which of the following is an example of a SSEP far-field subcortical potential? 1. N20 2. N34 3. Erbs point 4. Popliteal Fossa CORRECT ANSWER 2. N34 Which of the following opposes any change in current? 1. Capacitance 2. Impedance 3. Inductance 4. Resistance CORRECT ANSWER 3. Inductance Which of the following electrode materials has little electrode potential drift and a long time constant? 1. Tin 2. Gold 3. Silver 4. Stainless Steel CORRECT ANSWER 2. Gold Where should epidural electrodes be placed? 1. On the dura 2. In the spinal cord 3. Within the dural membrane