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1. 
What are the elements of resting membrane potential?
A.
Electrical equilibrium across the cell membrane
B.
-70 mV
C.
outside of the neuron is more negative
D.
Leaky K channels move K to the outside of the cell membrane
2. 
How do leaky K channels effect resting membrane potential?
A.
Leaky K causes the inside of the cell to lose a small amount of + charge
B.
Leaky K channels cause the inside of the cell to be slightly positive
C.
Leaky K channels causes the outside of the cell to be slightly positive
D.
Leaky K channels cause K to move outside the cell
3. 
As negative charge builds in the cell, K is drawn back inside the cell.
A.
True
B.
False
4. 
What is true regarding equilibrium potential of potassium?
A.
As negative charge increases, more and more K is drawn into the cell until one K leaves for every K entering.
B.
K equilibrium potential is around -90mV
C.
Na travels in the same direction as K
D.
Na travels into the cell
5. 
Select all that are TRUE regarding leaky channels
A.
Leaky K moves K inside the cell
B.
Leaky K moves K outside the cell
C.
Leaky Na moves Na inside the cell
D.
Leaky Na moves Na outside the cell
6. 
In resting membrane potential, the cell is slightly more permeable to K
A.
True
B.
False
7. 
What is the function of K/Na ATPase?
A.
The assist the leaky channels in building an electron gradient
B.
To pump Na/K back to where they started
C.
To initiate an action potential
D.
Maintains resting membrane potential
8. 
Excitatory input causes...
A.
hyper polarization
B.
depolarization
9. 
inhibitory input causes...
A.
hyper polarization
B.
Depolarization
10. 
The additive effect of summation is...
A.
when multiple post synaptic terminals merge together
B.
when multiple presynaptic neurons effect a post synaptic neuron
C.
when multiple nerves increase an action potential
11. 
Which Ions are responsible for repolarization?
A.
Na
B.
K
12. 
The type of glial cell that myelinated an axon in the CNS
A.
Astrocyte
B.
oligodendrocyte
C.
schwann cell
D.
choroid plexus
13. 
Which of the following statements about the insulin receptor is FALSE
A.
Once activated, it undergoes autophosphorylation
B.
It requires binding by two insulin molecules to be activated
C.
It catalyzes the phosphorylation of the insulin response substrate
D.
It is located entirely in the cytoplasm
14. 
The deficiency of which vitamin is associated with neural tube defects?
A.
B6
B.
Calcium
C.
Folic Acid
D.
B12
15. 
Which of the following is NOT a class of molecules used as a neurotransmitter?
A.
Peptides
B.
Catecholamines
C.
Amino Acids
D.
Enzymes
16. 
The release of a neurotransmitter into the synaptic cleft results from the influx of
A.
Na
B.
K
C.
Ca
D.
Cl