Cnim instrumentation - Study guides, Class notes & Summaries

nstrumentation Section- CNIM Cortical EPs - answer-Amplitudes of up to 10 uV or MORE; Latencies over 10-20 msec; Near Field recordings Subcortical EPs - answer-Latencies less than 10-20 msec; Amplitudes less than 1 uV; Far Field Peripheral EPs: Near or far field? - answer-Near Field Subcortical Peaks: Upper SEP - answer-P14, N18 Subcortical Peaks: Lower SEP - answer-P31, N34 Subcortical Peaks: Baers - answer-Wave 3, wave 5 Horizontal Resolution: Frequency or Amplitude? - answer-Frequency...

A unit of resistance is symbolized by A- A B- ohms C- E D- micro - Answer B- ohms The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by: A- 8 B- 8/256 C- 256 D- 2^8 - Answer D- 2^8 What is the minimum required bandpass for an EP system? A- 1 - 1000 Hz B- 0.1 ‐ 5000 Hz C- 30 ‐ 1500 Hz D- 1 Hz - 20 KHz - Answer B- 0.1 ‐ 5000 Hz The gain of an amplifier, set to give an output signal of 1 volt for...

A unit of resistance is symbolized by... Ohms Fast Fourier transformation The mathematical transformation f a complex waveform into simpler, more uniform waves The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by... 2^8 What is the minimum required bandpass for an EP system? 0.1 - 5,000 Hz The gain of an amplifier, set to give an output signal of 1 volt for an input signal of 10 uV, is... Gain=output/input Gain=1,000,00...

CNIM Final Study Guide (Questions on actual exam) | Complete Solutions (Verified) An increase in stimulation intensity causes a linear increase of which of the following SSEP components? 1. N20 2. N45 3. P31 4. P37 Epidural electrodes are made of platinum because 1. It is the most durable metal 2. It is the lowest impedance metal 3. The chance of allergic reaction is eliminated 4. Other metals may become toxic when currents are applied During a median nerve preoperative study, a patient has di...

A unit of resistance is symbolized by... correct answer: Ohms Fast Fourier transformation correct answer: The mathematical transformation f a complex waveform into simpler, more uniform waves The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by... correct answer: 2^8 What is the minimum required bandpass for an EP system? correct answer: 0.1 - 5,000 Hz The gain of an amplifier, set to give an output signal of...

A unit of resistance is symbolized by A- A B- ohms C- E D- micro - Answer B- ohms The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by: A- 8 B- 8/256 C- 256 D- 2^8 - Answer D- 2^8 What is the minimum required bandpass for an EP system? A- 1 - 1000 Hz B- 0.1 ‐ 5000 Hz C- 30 ‐ 1500 Hz D- 1 Hz - 20 KHz - Answer B- 0.1 ‐ 5000 Hz The gain of an amplifier, set to give an output signal of 1 volt for...

Which area of the spine has small pedicles, long spinous processes, and large inter-vertebral foramen. Select one: a. Sacral b. Thoracic c. Lumbar d. Cervical - Answer- C. Thoracic Brain activity recorded directly from the cortex (ECoG) is very high in amplitude and usually requires sensitivities in the range of: - Answer- 40 to 100 μV/mm. The ISOLA type of spinal instrumentation usually involves: a. Severing the cauda equina b. The supralaminal placement of rods c. The placement ...

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Cnim Test 2 Questions And Answers With Verified Solutions Already Passed!!!(GRADED A+)

A differential amplifier: A. Records only the first of the two inputs B. Records the second of the two inputs C. Records the sum of the two inputs D. Records the difference of the two inputs - ANSWER-D. Records the difference of the two inputs Which of the following filters can minimize a phase shift by using a very sharp dB roll off? A. Analog filter B. Active filter C. Digital Filter D. Passive Filter - ANSWER-C. Digital Filter Which of the following do you need in order t...