OFS-thermal tactile position senses and oral sterognosis

Question 1

What are the 5 importance of sensory information

Answer 1

control of movement, maintaining arousal, safety, future reference, emotions

Question 2

2 types of adaptation and examples of them

Answer 2

phasic: touch
tonic: pain

Question 3

9 types of receptors

Answer 3

photo, chemo, mechano, noci, thermo, teleceptors, exteroceptors, interoceptors, proprioceptors

Question 4

examples of exteroceptors and interoceptors in the oral vavity

Answer 4

ex:pdl, alveolar mucosa, gingiva, periodontium of the jaw bone
In: muscle spindles, TMJ receptors

Question 5

Stages of sensory processing

Answer 5

Sensory input, Integration, perception, motor response

Question 6

4 aspect of coding of sensory informaion

Answer 6

Modality, Location, Intensity, Duration

Question 7

Describe the dorsal column-medial lemniscus pathway and what is coded for

Answer 7

First order neuron enters spinal chord and travels upwards ipsilaterally. 1st synapse with 2nd at the medulla and 2nd cross over and ascend to thalamus which synapse with third order. Dorsal column code for proprioception and mechanoreceptors

Question 8

Describe the spinothalamic tract pathway and what it codes for

Answer 8

Enters the spinal chord and synapse with 2nd order neuron and 2nd crosses over and ascend to thalamus and sypnase with third order. Code for heat, pain, crude touch tickle and itch

Question 9

T/F: Lower touch threshold has higher 2 point discrimination ability

Answer 9

T

Question 10

What does TMJ capsule contains?

Answer 10

free nerve endings and complex endings resembling ruffini or GTO