An autoreceptor is located on the ________ and is sensitive to ...

[Collmarie]

An autoreceptor is located on the ________ and is sensitive to ________.
 
  A) presynaptic membrane; the transmitter released by that neuron
  B) presynaptic membrane; a different transmitter released by another neuron
  C) presynaptic membrane; calcium ions located in the synapse
  D) postsynaptic membrane; calcium ions located in the synapse
  E) presynaptic membrane; the amount of second messenger activity in the postsynaptic cell

Question 2

Autoreceptors
 
  A) are sensitive to the presence of neuropeptides in the synapse.
  B) control the release of calcium ions from the axon terminal.
  C) mostly facilitate neuron function.
  D) are metabotropic in nature.
  E) control the formation of new dendritic spines.

[kescobar@64]

Answer to Question 1

Answer: A
Rationale: Autoreceptors are metabotropic in nature.

Answer to Question 2

Answer: D

[Collmarie]

Great answer, keep it coming

[kjohnson]

Wow, this really help