Neuroglia
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? Encapsulated nerve ending ? low threshold
? Free nerve ending ? high threshold
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comparatively? Slow adapting ? continuous (static) sti
? Fast adapting ? dynamic (change) sti
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? Intensity discrimination ? at receptors
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? Receptive field-
? Mul ers doctrine of specific nerve
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energies
? Labelled line principle
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? Law of projectionPhantom limb
? Weber Fechner law
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? Stevens power law
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Plasticity
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? NCV
? Evoked Potential (upto 100ms)
? Event Related Potential (100-1000ms)
A generator potential
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A. always leads to an action potential.B. increases in amplitude as a more intense
stimulus is applied.
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C. is an all-or-none phenomenon.D. is unchanged when a given stimulus is applied
repeatedly over time.
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E. all of the above.Sensory systems code for the fol owing attributes of
a stimulus:
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A. modality, location, intensity, and duration
B. threshold, receptive field, adaptation, and
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discriminationC. touch, taste, hearing, and smel
D. threshold, laterality, sensation, and duration
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E. sensitization, discrimination, energy, and
projection
A 28-year-old male was seen by a neurologist
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because he had experienced prolonged episodes
of tingling and numbness in his right arm. He
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underwent a neurological exam to evaluate hissensory nervous system. Which of the fol owing
receptors is correctly paired with the type of
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stimulus to which it is most apt to respond?
A. Pacinian corpuscle and motion.
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B. Meissner's corpuscle and deep pressure.C. Merkel cel s and warmth.
D. Ruffini corpuscles and sustained pressure.
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E. Muscle spindle and tension.