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Statistics for Intro to the Neuron (1)

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This quiz has been taken 42 times
The average score is 4 of 16

Answer Stats

Hint	Answer	% Correct
To the nearest 5 roughly what is the average internal Na ion concentration in human neurons? (mM)	15	50%
What is the name of the equation that can be used to determine equilibrium potential when the membrane is permeable to one ion only?	Nernst	50%
To the nearest 10 roughly what is the average external Na ion concentration in human neurons? (mM)	150	42%
What is the primary excitatory transmitter in the CNS?	Glutamate	42%
NMDA and AMPA are both ionotropic glutamatergic channels, but which sometimes allows the entrance of divalent cations (e.g. Ca2+)?	NMDA	42%
What is now considered a gasous neurotransmitter which was known as endothelium-derived relaxing factor?	NO	42%
What is the most common type of electrical synapse?	Gap junction	33%
What type of receptor has a quicker transmission?	Ionotropic	25%
What is the name for a receptor which triggers a secondary messenger cascade when stimulated?	Metabotropic	25%
GABA is one but what is the other major inhibitory transmitter in the CNS?	Glycine	17%
In an action potential what is the name given to the point where inward current carried by Na+ ions just exceeds outward current across the resting membrane?	Threshold	17%
Fusion of neurotransmitters with presynaptic membranes for exocytosis is controlled by v (vesicle) and t (target) proteins but what is the name of them?	SNARE	8%
What is the name for the protein on the vesicle that binds to the SNAP-25 and syntaxin on the plasma membrane?	Synaptobrevin	8%
On the vesicle what is the Ca2+ion sensor called?	Synaptotagmin	8%
Chloride ions are normally extruded by secondary active processes, when couped to movement of K ions what is the name of the transporter?	KCC2	0%
When coupled to the sodium-dependant flux of HCO3- ions, what is the transporter?	NDCBE	0%

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