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Anatomy test #3

Nervous system

TermDefinition
Charles bonnet hallucinations spontaneous, random firing
Palinopsia After images, trails after object
Psychotic hallucinations Interactions with objects
Temporal lobe epilepsy Hallucinations with smells, senses, etc
Primary visual cortex Geometric hallucinations
Fusiform gyrus of temporal lobe More complete images
Where do graded potentials occur dendrites and somas
m1 cns, exocrine glands, phospholipase C
m2 inhibit heart activity, phosphoediesterase
m3 constricts blood vessels/smooth muscle of lungs, stimulates, phospholipase C
serotonin cns, regulates emotions
gamma aminobutyric acid cns inhibitory neurotransmitter, reduces anxiety
nitric oxide gasseous neurotransmitter, binds to receptors inside cells, sympathetic neuroeffector junctions (vasodilation)
substance P transmits pain sensations
tetrodotoxin (puffer fish)/curare (poison dart frogs) blocks voltage gated Na+ channels, no action potential
bungarotoxin (snakes) acts as competitive antagonist (binds and blocks) Ach receptors
botulinium toxin (botox, cans) prevents release of Ach
arsenic/lead demyelinates, slow action potential
spider venom increase neurotransmitter release
pesticides/nerve gas inhibits AchE
analgestic prevent pain
endogenous opiates made by body (endorphins)
exogenous opiates not made by body (cancer patients, poppy)
caffeine/theobromide/nicotine lower threshold of voltage gated channels, depolarize axon hillock, stimulate receptors directly
Created by: barmst5
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