Administration of a drug that blocks acetylcholinesterase in the ...

[stephzh]

Administration of a drug that blocks acetylcholinesteras e in the brain would be expected to
 
  A) permanently damage brain cholinergic neurons.
  B) decrease the amount of acetylcholine in the synapse.
  C) increase the amount of acetylcholine in the synapse.
  D) alter the activity of the cholinergic autoreceptor.
  E) reduce the rate of reuptake of ACh into glial cells.

Question 2

A drug that blocks a presynaptic autoreceptor
 
  A) reduces the release of the neurotransmitter from the axon terminal.
  B) alters the uptake of the neurotransmitter into the axon terminal.
  C) blocks the opening of ion channels in the postsynaptic membrane.
  D) increases the release of the neurotransmitter from the axon terminal.
  E) would be expected to act as an antagonist for this synapse.

[choc0chan]

Answer to Question 1

Answer: C
Rationale: Administration of a drug that blocks acetylcholinesteras e in the brain would be expected to increase the amount of acetylcholine in the synapse.

Answer to Question 2

Answer: D