Cni Study guides, Class notes & Summaries

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 stimulation? - Decrease number of repetitions What is not an advantage of epidural recordings? - Absence of significant artifact The stimulation rate is determined by the - analysis time Somatosensory e...

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 d. patient vent - Answer- c. skin shed Nerve that innervates 4th and 5th fingers? - Answer- Ulnar Nerve Problem with Bilateral Synchronus Stim? - Answer- Can mask unilateral problems No ...

Which of the following would best enhance resolution of evoked potential waveforms? - Increase number of averaged stimuli What is the typical MINIMUM common mode rejection ratio of in-phase signals recommended for evoked potential instruments? - 10,000:1 Which of the following cranial nerves is most at risk during acoustic neuroma surgery? - CN VII The impedance of cup electrodes is: - Lower than needle electrodes because of their size Amplitude of an evoked potential depends on which of...

ASET CNIM Exam 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- - K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamma amino butyric acid 2. glycine 3. para amino butyric acid 4. glutamate - Glutamate Wave III of the BAER is generated by the 1. superior olivary complex 2. inferior colliculus 3....

CNIT 180 Exam #1 Examples of company-wide applications, called ____, include order processing systems, payroll systems, and company communications networks. A. enterprise applications B. network operating systems (NOS) C. operating applications D. legacy systems - Answer: A Over 40 years ago, a concept called Moore's Law accurately predicted that computer processing power would double about every ____. A. 2 months B. 12 months C. 24 months D. 48 months - Answer: C Systems...

ANASTAMOSIS? - -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 d. patient vent - c. skin shed Nerve that innervates 4th and 5th fingers? - Ulnar Nerve Problem with Bilateral Synchronus Stim? - Can mask unilateral problems No N20 at baseline could mean? - Stroke Wh...

CNIT 455 Exam I T/F A Packet Filter is hardware that limits connectivity - F (Software) Packet filters block _______ and ______ traffic - ingress, egress Packet filters use ____ based filtering - rule Packet filter rules are combined into ________ - rulesets T/F A good practice with packet filters is to allow what you want then deny all else. - T A firewall always includes a ______ ______ - packet filter T/F All packet filters are firewalls - F (Firewalls contain packet filt...

CNIM electrocochleogram - correct answer consists of electrical responses of the cochlea and the auditory nerve to acoustic stimulation. (1) the cochlear microphonic; (2) the summating potential; and (3) the auditory nerve compound action potential (AP). - correct answer electrocochleogram includes (3) BAEP - correct answer responses of the auditory nerve, brainstem, and, perhaps, higher subcortical structures to acoustic stimulation. (1) distal auditory nerve (2) proximal audi...

ET Practice Exam Questions Cavities inside the skull - Anterior/middle/posterior fossa Cranial bones - Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - chin bone MCA supply of the cerebral cortex - Hand + face/mouth/auditory Cranial nerves - -12 pairs (Mixed fibers: sensory/motor/both). -Emerge @ irregular intervals from the brain. -Nuclei displacement: Motor = medial Sensory = lateral Meckle's Cave - Depression in the medial middle...

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 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 - Answer- discuss the risk with surgeon and anesthes...