2xb3 Full Study Guide With Complete Solutions

Difference between MS and Guillain Barre? {Ans: Question Multiple Sclerosis Guillain Barre What myelin it attacks CNS PNS Can you have a full recovery No Yes Rarity Common Rare Symptoms MS: Problems with vision, speech, tactile etc. GB: Paralysis, loss of sensation, trouble breathing}Pyramidal cells {Ans: are an excitatory projection neuron which accounts for 70% of cortical column and are longer than non-pyramidal cells.}PNS {Ans: Peripheral Nervous System: All nerves and neurons that lie outside of the spinal cord and brain}A-delta conduction velocity? {Ans: 5-30 m/s}Sagittal {Ans: plane of section straight through the 2 hemispheres, vertical cut of the brain down the midline, divides head to left and right}How do local anesthetics work? {Ans: Block the sodium gated channel so that the action potential can no longer propagate. Blocks the channel by having an open voltage-gated sodium channel blocker, these blockers eventually leave the channel.}