CNS inc cerebrum, sub cortical nuclei, stem and cord, PNS - answer✔Nerves outside PNS
PNS to ganglion CNS - answer✔Nucleus
Impulse carried away - answer✔Axon
Major sensory relay structure - answer✔Thalamus
Primary somatosensory area - answer✔Parietal Lobe
Cerebral cortex is ________ to thalamus - answer✔Superficial
Largest commissural fiber tract - answer✔Corpus Callosum
The sulcus limitans marks the division of the basal plate and alar plates in the neural tube, what
are the derivatives of each? - answer✔Basal - Motor
Alar - Sensory
NS arises from which dermal layer - answer✔Ectoderm
Failure of the rostral neuropore to close during development results in - answer✔Anencephaly
Which glial cells produce CSF - answer✔Ependymal
Tearing of meningeal artery - answer✔epidermal hematoma
Thickest meningeal layer - answer✔Dura Mater
Connects lateral ventricle to 3rd ventricle - answer✔Interventriular Foramen
Connective tissue, bones, and muscules develop from mesoderm - answer✔True
Membrane potential at rest - answer✔-70mv caused by leaky k+
Several small stimuli on a similar location - answer✔Spatial summation
After AP, return to rest using - answer✔Sodium-Potassium Pump
What kind of neuron with the fastest velocity - answer✔Large diameter, Myelinated
Which contributes to saltatory conduction - answer✔oligodentrocytes
Ion channels can be activated by - answer✔(all) - electrical activity, ligands, mechanical
stimulation
Greater concentration of K outside - answer✔False, Greater Na outside
Neurons an have AP without synaptic transmission - answer✔True - Intrinsically oscillatory
neurons
When a NT attaches to a receptor and initiates a sequence of metabolic reactions that are
SLOWER and LONGER lasting - answer✔Metabotropic Effects
Monoamine NT example - answer✔(All) Serotonin, Dopamine, Norepinephrine
Vesciles fuse to membrane for release as a result of - answer✔Ca ++ channels opening
Drugs work by - answer✔(All) Increasing synthesis, increasing release of NT, decreasing
reuptake, direct stimulation/blocking post receptors
These open/close ion channels, alter production f activating proteins, or activate chromosomes -
answer✔second messengers
Drug that mimics NT - answer✔Agonist
Dont have to excite/inhibit but alter NT effects - answer✔Peptides
Action of NT only ended by reuptake back into cell - answer✔FALSE
Glutamate is always excitatory - answer✔FALSE
Neurons can have A without synaptic input - answer✔TRUE
Thinnest Meningeal layer - answer✔Pia Mater
A lesion on Broadmann's 17 - answer✔Visual Deficit
Sympathetic NS restores homeostasis - answer✔FALSE - that is the parasympathetic
The mencephalon forms the __ - answer✔Midbrain
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