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...
Voorbeeld 2 van de 13 pagina's
In winkelwagenDuring 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...
Voorbeeld 4 van de 94 pagina's
In winkelwagenANASTAMOSIS? - 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...
Voorbeeld 3 van de 19 pagina's
In winkelwagenCavities 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...
Voorbeeld 4 van de 36 pagina's
In winkelwagenVentral 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...
Voorbeeld 3 van de 16 pagina's
In winkelwagenWhich 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...
Voorbeeld 4 van de 32 pagina's
In winkelwagenResting 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...
Voorbeeld 2 van de 13 pagina's
In winkelwagenWhat 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...
Voorbeeld 3 van de 16 pagina's
In winkelwagenIn 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? - ...
Voorbeeld 2 van de 10 pagina's
In winkelwagenwhat 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...
Voorbeeld 3 van de 21 pagina's
In winkelwagenCoulomb'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...
Voorbeeld 4 van de 31 pagina's
In winkelwagenWhat 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...
Voorbeeld 1 van de 2 pagina's
In winkelwagenChassis 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...
Voorbeeld 2 van de 7 pagina's
In winkelwagenSensory - 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...
Voorbeeld 3 van de 18 pagina's
In winkelwagenWhich 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...
Voorbeeld 2 van de 8 pagina's
In winkelwagenHair 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...
Voorbeeld 4 van de 121 pagina's
In winkelwagenWhen 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: ...
Voorbeeld 3 van de 16 pagina's
In winkelwagenDiabetes 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...
Voorbeeld 2 van de 10 pagina's
In winkelwagenlower 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...
Voorbeeld 2 van de 11 pagina's
In winkelwagenRostral 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...
Voorbeeld 4 van de 42 pagina's
In winkelwagenIf 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...
Voorbeeld 4 van de 71 pagina's
In winkelwagenIpsilateral 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...
Voorbeeld 2 van de 13 pagina's
In winkelwagen5-136 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...
Voorbeeld 4 van de 31 pagina's
In winkelwagenWhite 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...
Voorbeeld 4 van de 39 pagina's
In winkelwagenForward 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...
Voorbeeld 4 van de 42 pagina's
In winkelwagenIf 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...
Voorbeeld 4 van de 66 pagina's
In winkelwagenWhat 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...
Voorbeeld 1 van de 2 pagina's
In winkelwagenSpinal 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...
Voorbeeld 3 van de 16 pagina's
In winkelwagenInstrumentation 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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