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Abret ASAP EEG Study Guide Questions and Answers (Latest Update 2024/2025) GRADED A+

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Abret ASAP EEG Study Guide Questions and Answers (Latest Update 2024/2025) GRADED A+Nyquist Theory - correct answers The specification of the minimum sampling rate used, in relation to the highest frequency signal recorded The sample rate must be twice that of the highest frequency to be record...

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Abret ASAP EEG Study Guide Questions
and Answers (Latest Update 2024/2025)
GRADED A+




© Only Students - D.N stuvia.
1

,Nyquist Theory - correct answers ✅The specification of the minimum sampling rate used, in relation to
the highest frequency signal recorded

The sample rate must be twice that of the highest frequency to be recorded.



For LFF, the corresponding time constants for LFF cutout freq. of 3 hz would be __ - correct answers
✅.05 seconds



The most prominent clinical feature of Dilantin toxicity? - correct answers ✅Ataxia



Ataxia - correct answers ✅lack of muscle coordination



Agnosia - correct answers ✅the inability to recognize familiar objects.



Apraxia - correct answers ✅inability to perform particular purposive actions, as a result of brain
damage.



Diplopia - correct answers ✅double vision



Foramen of Monro - correct answers ✅connects lateral ventricles to third ventricle



Foramen magnum - correct answers ✅the brain connects to the spinal cord.



Foramen of Luschka - correct answers ✅lateral aperture that connects fourth ventricle to subarachnoid
space



damage to the cerebral cortex - correct answers ✅motor weakness, paralysis, loss of sensation,
impaired ability to understand and process language



Damage to Wernicke's area - correct answers ✅receptive aphasia - inability to understand words

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,Damage to Broca's area - correct answers ✅expressive aphasia - inability to produce language



Dysarthria - correct answers ✅slurred speech



Scotoma - correct answers ✅blind spot in vision



Ohms law - correct answers ✅the current in a circuit equals the voltage difference divided by the
resistance

V=IR



Coulomb's Law - correct answers ✅electric force between charged objects depends on the distance
between the objects and the magnitude of the charges.



Gelastic Seizures - correct answers ✅hypothalamic hamartoma

Brief periods of laughter



Symptoms of Hemorrhagic Stroke - correct answers ✅Exploding headache, decreased level of
consciousness, numbness/weakness on one side, vomitting, stiff neck (nochal rigidity - which is also
associated with Meningitis)



Symptoms of ischemic stroke - correct answers ✅Numbness of face, arm, leg (especially on one side).
Confusion, speech, seeing double or blurry, visual disturbances, trouble walking, perceptual problems



symptoms of subdural hematoma - correct answers ✅headache, lethargy, may show focal signs, may
be asymptomatic



Symptoms of subarachnoid hemorrhage - correct answers ✅Intolerance to light

Neck stiffness/pain


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, empyema - correct answers ✅pus in the pleural cavity



Depolarization - correct answers ✅The process during the action potential when sodium is rushing into
the cell causing the interior to become more positive.



Repolarization - correct answers ✅Return of the cell to resting state, caused by reentry of potassium
into the cell while sodium exits the cell.



Rolandic fissure (central sulcus) - correct answers ✅fissure that divides frontal lobe from parietal lobe



Heschl's gyrus - correct answers ✅A superior temporal lobe gyrus that is located in the lateral fissure of
each hemisphere; it is the location of most of the primary auditory cortex



Anoxia - correct answers ✅No oxygen



Hypoxia - correct answers ✅Reduced oxygen



PLEDS - correct answers ✅Periodic lateralized epileptiform discharges. These are sharp complexes that
are non-reactive to stimulation and are more pronounced with drowsiness. Tend to occur with cerebral
infarction or severe damage.



nephrotic syndrome - correct answers ✅group of clinical signs and symptoms caused by excessive
protein loss in urine



Uncus - correct answers ✅on medial surface of temporal lobe (olfactory area)



trace' discontinue - correct answers ✅less than 30 weeks conceptual age




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