CNIM PRACTICE: Questions And Answers 2023
Graded (A+)
Quiz :ANASTAMOSIS? - √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
Quiz :What causes the most airborne bacteria in OR?
a. blood on gown
b. blood spill
c. skin shed
d. patient vent - √Answer :c. skin shed
Quiz :Nerve that innervates 4th and 5th fingers? - √Answer :Ulnar Nerve
Quiz :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 - √Answer :3. 2:1
Quiz :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 -
√Answer :2. Waveform polarity and polarity convention of the amplifier inputs
Quiz :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. On the dura
2. In the spinal cord
3. Within the dural membrane
4. Between the dura and the spinal cord - √Answer :1. on the dura
Quiz :With referential recording, maximal amplitude cortical evoked potentials
following stimulation of the left posterior tibial nerve usually would be found
between?
1. C3 and CZ
2. C4 and P4
3. FZ and CZ
4. C4 and CZ - √Answer :1. C3 and CZ
, Quiz :For preoperative posterior tibial somatosensory evoked potentials,
which of the following would be the best ipsilateral location for the ground
electrode?
Quiz :To record the afferent volley after posterior tibial nerve stimulation, an
electrode should be placed on the?
1. Mastoid
2. Erbs point
3. T5 spine
4. Index Finger - √Answer :3. T5 spine
Quiz :Impedances of applied electrodes should be?
1. balanced and below 5,000 ohms
2. balanced and above 5,000 ohms
3. unbalanced and below 5,000 ohms
4. unbalanced and above 5,000 ohms - √Answer :1. balanced and below 5,000
ohms
Quiz :An increase in stimulation intensity cause a linear increase of which of
the following SSEP components?
1. N20
2. N45
3. P31
4. P37 - √Answer :3. P31
Quiz :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 - √Answer :4.
other metals may become toxic when currents are applied
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller HELLENAH. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.79. You're not tied to anything after your purchase.