Cnim stuvia - Study guides, Class notes & Summaries

A patient with a body temperature of 30 degrees C will have: A- Decreased latencies B- Decreased latencies, decreased amplitudes C- Increased latencies D- Increased latencies, decreased amplitudes - ANSWERSC- Increased latencies The P31 response to posterior tibial nerve stimulation: A- Is recordable over a generalized region of scalp B- Is best recorded by an electrode placed at CS5 C- Is generated by the thalamus D- Reflects post-synaptic activity in the cervical spinal cord - A...

Cavities inside the skull - ANSWERSAnterior/middle/posterior fossa Cranial bones - ANSWERSFrontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - ANSWERSchin bone MCA supply of the cerebral cortex - ANSWERSHand + face/mouth/auditory Cranial nerves - ANSWERS-12 pairs (Mixed fibers: sensory/motor/both). -Emerge @ irregular intervals from the brain. -Nuclei displacement: Motor = medial Sensory = lateral Meckle's Cave - ANSWERSDepressi...

What type of actions potentials contribute to the popliteal fossa - ANSWERSboth orthodromic and antidromic What is the neurological deficit related to the compression of the spinal cord - ANSWERSMyelopathy When evaluating for special considerations/contraindication for MEP monitoring, what is the most appropriate step to be taken when identifying a pt with a previous medical history of SZs that have been well controlled with medication - ANSWERSdiscuss the risk with surgeon and anesthesiol...

Ventral Nerve Roots - ANSWERSLower motors neurons primarily exit the cord through the: 1 dorsal nerve roots 2 ventral nerve roots 3 dorsal columns 4 dorsal root ganglia Glutamate - ANSWERSWhich one of the following is an excitatory neurotransmitter? 1 GABA 2 Glutamate 3 Glycine 4 Phenylalanine GABA - ANSWERSWhich one of the following is an inhibitory neurotransmitter? 1 GABA 2 Serotonin 3 Dopamine 4 Phenlalanine the meninges - ANSWERSThe layers of protective tissue which sur...

A patient with a body temperature of 30 degrees C will have: A- Decreased latencies B- Decreased latencies, decreased amplitudes C- Increased latencies D- Increased latencies, decreased amplitudes - ANSWERSC- Increased latencies The P31 response to posterior tibial nerve stimulation: A- Is recordable over a generalized region of scalp B- Is best recorded by an electrode placed at CS5 C- Is generated by the thalamus D- Reflects post-synaptic activity in the cervical spinal cord - A...

Ventral Nerve Roots - ANSWERSLower motors neurons primarily exit the cord through the: 1 dorsal nerve roots 2 ventral nerve roots 3 dorsal columns 4 dorsal root ganglia Glutamate - ANSWERSWhich one of the following is an excitatory neurotransmitter? 1 GABA 2 Glutamate 3 Glycine 4 Phenylalanine GABA - ANSWERSWhich one of the following is an inhibitory neurotransmitter? 1 GABA 2 Serotonin 3 Dopamine 4 Phenlalanine the meninges - ANSWERSThe layers of protective tissue which sur...

Cavities inside the skull - ANSWERSAnterior/middle/posterior fossa Cranial bones - ANSWERSFrontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - ANSWERSchin bone MCA supply of the cerebral cortex - ANSWERSHand + face/mouth/auditory Cranial nerves - ANSWERS-12 pairs (Mixed fibers: sensory/motor/both). -Emerge @ irregular intervals from the brain. -Nuclei displacement: Motor = medial Sensory = lateral Meckle's Cave - ANSWERSDepressi...

The vertical resolution of an evoked potential system depends primarily on: A) The analysis period B) The sampling rate C) The filter settings D) The number of bits in the A/D converter - ANSWERSD) The number of bits in the A/D converter Which time constant would be most effective for cutting out low frequency noise from your signal? A) 10ms B) 100ms C) 1s D) 10s - ANSWERSA) 10ms How frequently should the evoked potential machines be calibrated and safety tested? A) Only when ther...

Ventral Nerve Roots - ANSWERSLower motors neurons primarily exit the cord through the: 1 dorsal nerve roots 2 ventral nerve roots 3 dorsal columns 4 dorsal root ganglia Glutamate - ANSWERSWhich one of the following is an excitatory neurotransmitter? 1 GABA 2 Glutamate 3 Glycine 4 Phenylalanine GABA - ANSWERSWhich one of the following is an inhibitory neurotransmitter? 1 GABA 2 Serotonin 3 Dopamine 4 Phenlalanine the meninges - ANSWERSThe layers of protective tissue which sur...

Hair cells - ANSWERSCochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power - ANSWERSWhat 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-beta power C. Increase in low-voltage fast activity D. Increased power at all frequencies limb length - ANSWERSWhat determines the latency of SSEPs most? Lowering the impedances of ground and s...