Anatomy
The innermost connective tissue membrane covering the brain is the:
What is the pia
Muscle relaxants are classified by their mechanism of action at the myoneural junction as belonging one of the following two groups, which are...and name an example of each
What are depolarizing (Rocuronium) and non-depolarizing (Succinylcholine)
Kerrison forceps are used in which phase of the surgical procedure?
What is decompression
An unstable blood pressure during SSEP monitoring in the OR affects cortical EPs resulting in:
What is fluctuating amplitudes
A Carotid Endarterectomy is performed to remove _____ from the artery.
What is plaque
Name the 5 branches of the facial nerve.
What are
1. Temporal
2. Zygomatic
3. Buccal
4. Mandibular
5. Cervical
Which of the following anesthetic agents does not produce both amnesia and unconsciousness?
a. Desflurane
b.Dexmeditomidine
c. Remifentanil
d. Propofol
What is C, Remifentanil
Both SSEP and BAEP waveforms can be affected by structural manipulation using:
What are retractors
It is most appropriate to monitor the median nerve, not the tibial nerve, for:
a. Vertebral basilar artery aneurysms
b. Posterior cerebral artery aneurysms
c. Anterior cerebral artery aneurysms
d. Middle cerebral artery aneurysms
What is C, MCA Aneurysms
This type of spine surgery is used to correct spondylolisthesis:
TLIF
What artery primarily perfuses the lower spinal cord?
What is the artery of Adamkiewicz
Which 2 benzodiazepines are known to increase SSEP amplitude?
What are...
1. Ketamine
2. Etomidate
Common sources of non-physiologic artifact in the operating room include:
Operating microscopes, x-ray view boxes, and heating devices
What is a definitive indicator of post op deafness in the ABR response?
What is a loss of wave V
What are...
1. Trigeminal Neuralgia
* EC for Tic douloureux
2. Hemifacial Spasms
Wave III of the BAEP is thought to be generated by the: (extra credit if you can name which section of the brainstem)
What is the superior olivary complex
*EC: pons
Excitation of the postsynaptic neuron is caused by the neurotransmitter:
What is glutamate
Exact reconstruction of a continuous time based signal from its digitized (stored samples) form is possible only if the original signal is band limited and the sample frequency is greater than twice the signal bandwidth.
What is the Nyquist Theorem
Which of the cranial nerves are most appropriate to monitor during resection of a CPA tumor?
What are CN VII and VIII
Which acoustic neuroma surgical approach results in sacrificed ipsilateral hearing in virtually all patients?
What is a translabyrinthine approach
What is indicated by the presence of unilateral Babinski signs?
What is a pyramidal tract dysfunction
What neurotransmitter can inhibit the postsynaptic neuron?
What is Gamma Aminobutyric Acid (GABA)
The characteristic of a filter that shows how sharp the cut off, is called _____.
What is the rolloff
In which direction would you want to move the grid in order to get a clear phase reversal if all of the peaks are pointing upwards?
what is anterior
A selective dorsal rhizotomy may be performed on a patient with this condition
what is cerebral palsy