CNIM - ABRET Practice Exam Question

CNIM Practice Exam 1 Which of the following is least likely to cause electrical interference in the operating room? - ANSWER--The pneumatic drill If the monitoring instrument develops an inability to average, steps to take would include all the following except:? - ANSWER--Consult with the anest...

What time constant would be the most effective for cutting out low frequency noise from your SSEP cortical responses? - ANSWER--Answer: 10 mS SSEP cortical responses are in the typical frequency range of 100-200 Hz. That being said, let's see what time constant would give us a good Low Frequency...

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 What causes the most airborne bacteria in OR? a. blood on gown b. blood spill c. skin shed ...

CNIM EXAM the artery of adamkiewicz is - ANSWER-a major feeder vessle to the spinal cord, supplies from the anterior spinal artery, supplies 2/3 of blood to lower body, at T10 a stroke in which artery would specifically affect the PTN cortical SEP - ANSWER-the anterior cerebral artery trancrani...

Forward movement of one of the lower lumbar vertebra on the vertebra below it, or upon the sacrum - answer--Spondylolisthesis is: 1 Forward movement of one of the lower lumbar vertebrae on the vertebrae below it, or upon the sacrum 2 Ankylosis of the vertebrae 3 Neurofibromatosis 4 Deteriorati...

peak analogous to P14 of Median N SSEP - answer-P31 in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - answer-verify adequate stimulation to record to afferent volley after PTN stimulation, an electrode should be placed on the -...

CNIM practice exam 3 If you have high frequency noise in a BAEP: A100/100 pts Change HFF from 3000 to 1500 Hz Change HFF to 200 Hz Change LFF to 150 Hz Change LFF to 30 Hz - answer-Change HFF from 3000 to 1500 Hz To dissect a vestibular schwannoma, which surgical approach usually sacrifices h...

CNIM PRACTICE EXAM 1 QUESTIONS AND CORRECT ANSWERS Ventral Nerve Roots Lower motors neurons primarily exit the cord through the: 1 dorsal nerve roots 2 ventral nerve roots 3 dorsal columns 4 dorsal root ganglia Glutamate Which one of the following is an excitatory neurotransmitter? 1 GABA ...

CNIM IV A pneumatic drill would introduce what kind of artifact? - answer-500 Hz Which of the following diseases results from infection by a bloodborne pathogen? - answer-Hepatitis B Annular disruption - answer-Disc herniation Which of the following the down going potential recorded at about 12...

Cnim 1000 practice questions Fixed During a scoliosis surgery, you recognize a gradual latency increase of 3.5 msec in the PTN cortical response, the subcortical response appears to be shifted out almost as much. All response amplitudes are unchanged. What is the appropriate action to take? a. Ig...

CNIM Formulas Ohm's Law - 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 - answer-τ = RC TIme constant is the time it takes for the...

CNIM test 1 Which of the following do you need to determine the vertical resolution? A. Time base and bit capacity B. Display gain and bit capacity C. Dwell time and Sampling D. Aplifier sensitivity and bit capacity - answer-D. Amplifier sensitivity and bit capacity (horizontal resolution woul...

CNIM Practice exam 2 Diabetes Mellitus - answer-Peripheral Neuropathy To display median nerve SSEP response as an upward deflection, which of the following must be known? - answer-Waveform polarity and polarity convention of the amplifier inputs The facial nerve enervates all of the following st...

CNIM Highlighted 4 Somatosensory evoked potential monitoring during scoliosis surgery may replace the need for the: A- Removal of hardware B- Ruben hematocrit test C- Stagnara wake-up test D- O'Hara clonus test - answer-C- Stagnara wake-up test Somatosensory evoked potentials are less reliab...