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Somatosensation/Pain
USCSOM: Somatosensation and Pain
| Question | Answer |
|---|---|
| What type of receptors receive all non-painful mechanical stimuli? | mechanoreceptors |
| What type of receptors receive hot and cold sensation? | thermoreceptors |
| What type of receptors receive vision? | electromagnetic/photo receptors |
| What type of receptors receive tast, smell, osmolality? | chemoreceptors |
| What are the two superficial tactile sensory receptors? | tactile corpuscle (Meissner) |
| What are the two deep tactile sensory receptors? | lamellar corpuscle |
| Hair receptors function, threshold, adaptibility. | light touch, low, rapid |
| Free nerve endings function, threshold, adaptability | pain/temp, high, slow |
| Tactile disks (Merkel) function, threshold, adaptation | touch and static pressure, low, slow |
| Tactile corpuscles (Meissner) function, threshold, adaptation | touch and dynamic pressure, low, rapid |
| Lamellar corpuscles (Pacini) function, threshold, adaptation | deep pressure, muscles and joints, low, rapid |
| What sensory neurons have the highest velocity? | A-alpha |
| Order sensory neurons from fastest to slowest. | A-alpha, A-beta, A-delta, C |
| Proprioception is relayed to what class of sensory neuron? | A-alpha |
| Non-painful touch is relayed to what class of sensory neuron? | A-beta |
| Pain and temperature is relayed to what class of sensory neurons? | A-delta and C |