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Action Potential diagram
A)
B)
C)
D)
E)
Membrane is unable to respond to further stimulation
Sodium gates are open
Threshold potential has been reached
Repolarization occurs, Na gates close, and some K gates open
Membrane is at resting potential
What is the correct sequence for transmission at a chemical synapse?
a)
b)
c)
d)
e)
Neurotrans binds with receptors associated with postsynaptic membrane
Ca2+ ions rush into neuron’s cytoplasm
Action potential depolarizes the synaptic terminal membrane
Ligand-gated channels open
Synaptic vesicles release nerutrans into the synaptic cleft
What the following “do”
A.
B.
C.
D.
E.
Meninges
Ganglion
Axon hillocks
Myelin sheaths
Postsynaptic membranes
What is saltatory conduction?
Inhibitory vs. excitatory neurotrans
Areas of brain to include
a)
b)
c)
d)
e)
f)
g)
Neocortex
Medulla
Thalamus
Pituitary
Cerebellum
Corpus callosum
Cerebrum
Blood-brain barrier
Evolution of the CNS
How Na-K pumps work
Following hormones
a) Ecdysone
b)
c)
d)
e)
f)
g)
Glucagon
Thyroxine
Oxytocin
GH
ADH
Prolactin
Know difference between exo and endocrine glands
Know antagonistic hormones (2 sets of them)
Peptide vs. Steroid hormones
3 steps of cell signaling
2nd messengers
What are prostaglandins?
Paracrine vs. autocrine signaling
Difference between synaptic and hormonal signaling
What is a ligand?
What is GTP and its significance?
What are transcription and growth factors?