CNIM Practice Exam 1 with complete solutions CNIM PRACTICE QUESTIONSWITH CORRECT ANSWERS CNIM - ABRET Practice Exam Questions and Answers 2023 CNIM PRACTICE EXAM 1 CNIM Practice Exam 1 with complete solutions CNIM Exam Questions to Re-Study with correct Answers CNIM TEST 2023 -SOLVED Fundamental co...
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During a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulati...
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Add to cartDuring a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulati...
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 s...
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Add to cartANASTAMOSIS? - 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 s...
Cavities inside the skull - Answer- Anterior/middle/posterior fossa Cranial bones - Answer- Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - Answer- chin bone MCA supply of the cerebral cortex - Answer- Hand + face/mouth/auditory Crani...
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Add to cartCavities inside the skull - Answer- Anterior/middle/posterior fossa Cranial bones - Answer- Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - Answer- chin bone MCA supply of the cerebral cortex - Answer- Hand + face/mouth/auditory Crani...
Ventral Nerve Roots - Answer- 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 - Answer- Which one of the following is an excitatory neurotransmitter? 1 GABA 2 Glutamate 3 Glycine 4 Phenyl...
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Add to cartVentral Nerve Roots - Answer- 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 - Answer- Which one of the following is an excitatory neurotransmitter? 1 GABA 2 Glutamate 3 Glycine 4 Phenyl...
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 anesthesiologist anesthesia...
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Add to cartWhich 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 anesthesiologist anesthesia...
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- - Answer- K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamm...
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Add to cartResting 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- - Answer- K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamm...
What is the initial event that occurs when the action potential threshold of a neuron is reached? - Answer- Voltage gated Sodium channels open What does the sodium potassium pump do? - Answer- Pumps K+ into cell and Na out of cell Which of the following has the greatest effect on SSEP Monitori...
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Add to cartWhat is the initial event that occurs when the action potential threshold of a neuron is reached? - Answer- Voltage gated Sodium channels open What does the sodium potassium pump do? - Answer- Pumps K+ into cell and Na out of cell Which of the following has the greatest effect on SSEP Monitori...
In BAEP's, cochlear nucleus lesion causes? - Answer- 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? - Answer- D-Waves The stimulus used in a brainstem auditory evoked...
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Add to cartIn BAEP's, cochlear nucleus lesion causes? - Answer- 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? - Answer- D-Waves The stimulus used in a brainstem auditory evoked...
what spinal disorder causes a forward displacement of the vertebra that is commonly seen in the 5th lumbar vertebra - Answer- spondylolisthesis the number of data points and the sweep time determine - Answer- horizontal resolution what is the minimum sampling rate for the nyquist frequency? - ...
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Add to cartwhat spinal disorder causes a forward displacement of the vertebra that is commonly seen in the 5th lumbar vertebra - Answer- spondylolisthesis the number of data points and the sweep time determine - Answer- horizontal resolution what is the minimum sampling rate for the nyquist frequency? - ...
Coulomb's Law - Answer- The force exerted between two charges is inversely proportional to the square of the distance between them. F=1/(distance)^2 Voltage - Answer- an electromotive force or potential difference expressed in volts. Current - Answer- Movement of charge (Amps) Ohm's Law...
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Add to cartCoulomb's Law - Answer- The force exerted between two charges is inversely proportional to the square of the distance between them. F=1/(distance)^2 Voltage - Answer- an electromotive force or potential difference expressed in volts. Current - Answer- Movement of charge (Amps) Ohm's Law...
What type of actions potentials contribute to the popliteal fossa - Answer- both orthodromic and antidromic What is the neurological deficit related to the compression of the spinal cord - Answer- Myelopathy When evaluating for special considerations/contraindication for MEP monitoring, what i...
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Add to cartWhat type of actions potentials contribute to the popliteal fossa - Answer- both orthodromic and antidromic What is the neurological deficit related to the compression of the spinal cord - Answer- Myelopathy When evaluating for special considerations/contraindication for MEP monitoring, what i...
Chassis leakage - Answer- less than 100uA Max leakage current (to the patient) - Answer- less than 10uA differential input impedance - Answer- 100Mohms Common Mode Rejection - Answer- 10,000:1 or 80dB Minimum Bandpass - Answer- 0.1-15,000Hz Horizontal Resolution - Answer- <20uS/dat...
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Add to cartChassis leakage - Answer- less than 100uA Max leakage current (to the patient) - Answer- less than 10uA differential input impedance - Answer- 100Mohms Common Mode Rejection - Answer- 10,000:1 or 80dB Minimum Bandpass - Answer- 0.1-15,000Hz Horizontal Resolution - Answer- <20uS/dat...
Sensory - Answer- CN I, II, VIII are considered to be: 1 Motor 2 Sensory 3 Both 4 Proprioceptive Only Motor - Answer- CN III, Iv, VI, XI, XII are considered to be: 1 Motor 2 Sensory 3 Both 4 Spinothalamic Mixed motor and sensory - Answer- CN V, VII, IX, X are considered to be: 1 Motor...
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Add to cartSensory - Answer- CN I, II, VIII are considered to be: 1 Motor 2 Sensory 3 Both 4 Proprioceptive Only Motor - Answer- CN III, Iv, VI, XI, XII are considered to be: 1 Motor 2 Sensory 3 Both 4 Spinothalamic Mixed motor and sensory - Answer- CN V, VII, IX, X are considered to be: 1 Motor...
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 - Answer- C- dust particles Stimulus artifact during SSEPs can be decreased by A- keeping the instrument awa...
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Add to cartWhich 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 - Answer- C- dust particles Stimulus artifact during SSEPs can be decreased by A- keeping the instrument awa...
Hair cells - Answer- Cochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power - Answer- What is the effect on EEG from induction using isoflurane? A. Decreased delta followed by increased alpha/beta B. Increase in delta power and increase in alpha...
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Add to cartHair cells - Answer- Cochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power - Answer- What is the effect on EEG from induction using isoflurane? A. Decreased delta followed by increased alpha/beta B. Increase in delta power and increase in alpha...
When should you use SSEPs? - Answer- Use SSEP's for every case Where do you stimulate for UE SSEPs? - Answer- Ulnar Nerve - any surgery below the C4 level Median Nerve - any surgery above the C4 level Where do you stimulate for LE SSEPs? - Answer- Posterior Tibial Nerve at the ankle Pop...
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Add to cartWhen should you use SSEPs? - Answer- Use SSEP's for every case Where do you stimulate for UE SSEPs? - Answer- Ulnar Nerve - any surgery below the C4 level Median Nerve - any surgery above the C4 level Where do you stimulate for LE SSEPs? - Answer- Posterior Tibial Nerve at the ankle Pop...
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 structures except: ...
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Add to cartDiabetes 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 structures except: ...
lower motor neurons primarily exit the spinal cord through the... - Answer- ventral nerve roots excitatory neurotransmittor - Answer- glutamate what separates motor and sensory strips? - Answer- central sulcus the layers of protective tissues that surround the central nervous system are cal...
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Add to cartlower motor neurons primarily exit the spinal cord through the... - Answer- ventral nerve roots excitatory neurotransmittor - Answer- glutamate what separates motor and sensory strips? - Answer- central sulcus the layers of protective tissues that surround the central nervous system are cal...
Rostral to the cathode - Answer- For stimulation in MEP studies, the anode should be placed: A. rostral to the cathode B. lateral to the cathode C. Caudal to the cathode D. Medial to the cathode During anesthetic changes - Answer- Maximum variability of cortical EP potentials will most likely...
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Add to cartRostral to the cathode - Answer- For stimulation in MEP studies, the anode should be placed: A. rostral to the cathode B. lateral to the cathode C. Caudal to the cathode D. Medial to the cathode During anesthetic changes - Answer- Maximum variability of cortical EP potentials will most likely...
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 - 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 cord C...
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Add to cartIf 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 - 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 cord C...
Ipsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? A- Cortex B- Cauda equina C- Brainstem D- Spinal cord - Answer- C Median Nerve A- MCA B- PCA C- AICA D- ACA - Answer- A The layers of protective tissue which surround the central...
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Add to cartIpsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? A- Cortex B- Cauda equina C- Brainstem D- Spinal cord - Answer- C Median Nerve A- MCA B- PCA C- AICA D- ACA - Answer- A The layers of protective tissue which surround the central...
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 - Answer- C- 50,000 cells per hour 5-214 When is it most appropriate to alert the surgeon of a problem with th...
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Add to cart5-136 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 - Answer- C- 50,000 cells per hour 5-214 When is it most appropriate to alert the surgeon of a problem with th...
White matter consists of what type of fiber tracts? - Answer- Axon of nerve fibers In the visual pathway, fibers anterior to the optic chiasm are called - Answer- Optic Nerves If a neurologist suspects nerve damage in a PTs neurological exam, he may order - Answer- Nerve conduction/EMG exci...
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Add to cartWhite matter consists of what type of fiber tracts? - Answer- Axon of nerve fibers In the visual pathway, fibers anterior to the optic chiasm are called - Answer- Optic Nerves If a neurologist suspects nerve damage in a PTs neurological exam, he may order - Answer- Nerve conduction/EMG exci...
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 Deterioration...
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Add to cartForward 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 Deterioration...
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 hearing? suboccip...
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Add to cartIf 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 hearing? suboccip...
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...
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Add to cartWhat 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...
Spinal Accessory/Trapezius - Answer- C1-C4 Axillary/Deltoid - Answer- C5-C6 Musculocutaneous/Biceps - Answer- C5-C6 Radial/Triceps - Answer- C6-C7 Radial/Extensor Digitorum Communis - Answer- C7-C8 Median/Abductor Pollucis Brevis - Answer- C8-T1 Ulnar/Abductor Digiti Minimi - Answe...
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Add to cartSpinal Accessory/Trapezius - Answer- C1-C4 Axillary/Deltoid - Answer- C5-C6 Musculocutaneous/Biceps - Answer- C5-C6 Radial/Triceps - Answer- C6-C7 Radial/Extensor Digitorum Communis - Answer- C7-C8 Median/Abductor Pollucis Brevis - Answer- C8-T1 Ulnar/Abductor Digiti Minimi - Answe...
Instrumentation systems used to distract, compress, and de-rotate the spine to restore normal vertebral column alignment, include: - Answer- Cotrel-Dubousset and ISOLA The resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of - An...
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Add to cartInstrumentation systems used to distract, compress, and de-rotate the spine to restore normal vertebral column alignment, include: - Answer- Cotrel-Dubousset and ISOLA The resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of - An...
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