Download MBBS (Bachelor of Medicine, Bachelor of Surgery) 1st Year, 2nd Year, 3rd Year and Final year Physiology 16 Cns I Sensory PPT-Powerpoint Presentations and lecture notes
CNS I- Sensory
Axonal transport
Neuroglia
? Encapsulated nerve ending ? low threshold
? Free nerve ending ? high threshold
comparatively
? Slow adapting ? continuous (static) sti
? Fast adapting ? dynamic (change) sti
? Intensity discrimination ? at receptors
? Receptive field-
? Mul ers doctrine of specific nerve
energies
? Labelled line principle
? Law of projection
Phantom limb
? Weber Fechner law
? Stevens power law
Plasticity
? NCV
? Evoked Potential (upto 100ms)
? Event Related Potential (100-1000ms)
A generator potential
A. always leads to an action potential.
B. increases in amplitude as a more intense
stimulus is applied.
C. is an all-or-none phenomenon.
D. is unchanged when a given stimulus is applied
repeatedly over time.
E. all of the above.
Sensory systems code for the fol owing attributes of
a stimulus:
A. modality, location, intensity, and duration
B. threshold, receptive field, adaptation, and
discrimination
C. touch, taste, hearing, and smel
D. threshold, laterality, sensation, and duration
E. sensitization, discrimination, energy, and
projection
A 28-year-old male was seen by a neurologist
because he had experienced prolonged episodes
of tingling and numbness in his right arm. He
underwent a neurological exam to evaluate his
sensory nervous system. Which of the fol owing
receptors is correctly paired with the type of
stimulus to which it is most apt to respond?
A. Pacinian corpuscle and motion.
B. Meissner's corpuscle and deep pressure.
C. Merkel cel s and warmth.
D. Ruffini corpuscles and sustained pressure.
E. Muscle spindle and tension.
This post was last modified on 08 April 2022