and Answers (Latest Update 2024/2025)
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,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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