after acetylcholinesterase act, the synaptic terminal

1. reabsorbs the choline
2. reabsorbs the acetylcholine
3. reabsorbs the acetate
4. reabsorbs axoplasm
5. pinches off and a new

reabsorbs the choline

which of the following neurotransmitters is a dissolved gas?

1. histamine
2. nitric oxide
3. serotonin
4. glutamate
5. aspartate

nitric oxide

regions of the CNS with an abundance of myelinated axon constitutes the ________ matter

1. ganglion
2. brain
3. neural
4. gray
5. white

white

in _________, activity at an axoaxonic synapse increases the amount of neurotransmitter released when an action potential arrives at the axon terminus

1. temporal summation
2. spatial facilitation
3. presynaptic inhibition
4. presynaptic facilitation
5. spatial summation

presynaptic facilitation