package deal of CNIM Graded A+.

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....

An increase in stimulation intensity causes a linear increase of which of the following SSEP components? 1. N20 2. N45 3. P31 4. P37correct answer - 3. P31 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...

What is the maximum allowable chassis leakage current? a) 10 mA b) 20 mA c) 0.1 mA d) 10 mA - correct answerC What is the maximum allowable leakage current from the isolated amplifier inputs through the patient leads? a) 10 uA b) 100 uA c) 1 mA d) 10 mA - correct answerA What is the ma...

In BAEP's, cochlear nucleus lesion causes? - Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? - D-Waves The stimulus used in a brainstem auditory evoked potential study...

Resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of 1. K+ 2. K+ and Ca++ 3. K+, Na+ and Cl- 4. Na+, Ca++ and Cl- - correct answer K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter ...

You record a spinal potentialto: - correct answer Establish an Action potential (AP) What drugs would you use for language mapping? - correct answer Fentanyl D waves are recorded form which of the following electrodes? - correct answer Epidural electrodes over the spinal cord. Horizontal Di...

Which of the following are most likely to cause airborne contamination in an operating room? A- ventilation devices B- Kerrison particles C- dust particles D- bloodborne pathogens - correct answer C- dust particles Stimulus artifact during SSEPs can be decreased by A- keeping the instrum...

If the VIIIth nerve were transected, you would get A- No change B- Increased I-III latency C- Loss of wave III - V D- Absence of all waves I-V - correct answer D- Absence of all waves I-V Epidural electrodes should be placed: A- Inside the spinal cord B- Between the dura and the spinal ...

5-136 At what rate do skin cells exfoliate from OR personnel? A- 10,000 cells per hour B- 20,000 cells per hour C- 50,000 cells per hour D- 30,000 cells per hour - correct answer C- 50,000 cells per hour 5-214 When is it most appropriate to alert the surgeon of a problem ...

In the operating room, the stimulus intensity for activating a sensory nerve: - correct answer Does not have an established boundary A benefit of recording epidural SSEPs caudal to the surgical site is: - correct answer Ability to detect changes peripheral to the surgical site During a tumor s...

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 ...

in which of the following evoked potentials is the scalp position of recording electrodes most critical? - correct answer Lower extremitity SSEP if an evoked potential has a voltage of 10 uV and the associated noise has a voltage of 50uV, waht is the signal to noise ration after 100 averages resp...

Ohm's Law - correct answer *V = IR* - Voltage and electromotive force are measured in volts - Current is measured in amperes or amps (I is for intensity) - Resistance is measured in ohms Ω Volt ÷ KΩ = milliamp Time Constant - correct answer τ = RC TIme constant is the time it takes ...