Exam (elaborations)
Bio 245 exam 3.
Exam of 15 pages for the course BIO 245 at BIO 245 (Bio 245 exam 3.)
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Bio 245 exam 32 chemical classes of hormones - ANS-lipid-soluble
water-soluble
2 enlargements in spinal cord - ANS-cervical and lumbar
2 main types of hormones - ANS-circulating
local
2 neuron system - ANS-preganglion neuron and postganglion neuron
2 types adrenergic receptors - ANS-alpha- 2 subtypes
beta- 3 subtypes
2 types of cholinergic receptors - ANS-nicotinic & muscarinic
2 types of local hormones
(don't enter blood) - ANS-paracrine
autocrine
2 types of receptors on target cells - ANS-membrane bound
intracellular
2 types sympathetic ganglion - ANS-sympathetic trunk ganglia (vertebral chain)
prevertebral ganglia (collateral)
3 examples G protein activation - ANS-1. reg glucose levels
2.calmodulin
3. phospholipid C
3 extensions of dura mater - ANS-falx cerebri
falx cerebelli
tentorium cerebelli
3 possible effects of water soluble hormone binding - ANS-change in membrane
permeability
activation of G proteins
receptors linked to intracellular enzymes through intracellular mediators
, 3 type of cells of olfactory epithelium - ANS-receptor cells
supporting cells
basal cells- replace receptors
3 types of papillae - ANS-vallate
fungiform
foliate
3 types of stimulation endocrine reflexes - ANS-hormonal
humoral
nervous
abducens nerve function (VI) - ANS-motor
lateral rectus eye muscle
accessory nerve function (XI) - ANS-motor
trapezius and sternocleidomastoid
accessory structures of eye - ANS-eyelids
lashes and brows
extrinsic eye muscles
lacrimal apparatus
activation of G proteins - ANS-1. water soluble hormone binds to receptor (activates)
2. G protein binds to activated receptor
3. GDP is replaced w GTP
4. G protein is released and activated
adrenergic - ANS-norepinephrine
alpha 1 and beta 1 - ANS-excitation in effectors
alpha 2 and beta 2 - ANS-inhibition in effectors
arachnoid mater structure - ANS-collagen and elastic fibers in web like formation
arteries that feed the brain - ANS-internal carotid and vertebral arteries
autocrine - ANS-act on self (secreting cell)
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