UNMC Pathology Test 1 Questions and Verified Answers | Passed | A+
Blood, serum, saline, albumin, urine, bile, hormones, cerebrospinal fluid : Fluids required for homeostasis Peripheral pain receptor found in skin, : Nociceptor Hitting finger with hammer : Noxious stimuli Specialized sensory fibers, carry nociceptor impulse to spinal cord (A delta and C fibers : Afferent fibers In back of spinal cord (dorsal horn) area with lots of potential modulation or changing of impulses : Substantia Gelatinosa 2 Key neurotransmitter peptide. In order for pain impulses to travel to brain, substance p has to bind to receptors : Substance P Receptor substance P binds to so pain impulses travel to brain : Neurokinin 1 Conduct impulses fast. Attempt to depolarize SG and T cells (A beta) : Large Diameter fibers have slower conduction on impulses, attempt to inhibit SG, but excite T (A delta and C) : Small Diameter fibers Attempts to inhibit T cell, if more stimulated the more it will inhibit T : Substantia Gelatinosa Central Transmission cell, receives all input, the more excitation of the T, the more perception of P 3 : T cell
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