Synaptic Transmission

Question 1

Metabotropric receptors: Initiating a 2nd messenger system in the PSM thus causing more prolonged intracellular effects:

Answer 1

a. Open specific ion channels.
b. Change intracellular concentration of cAMP or cGMP.
c. Activate gene transcription leading to formation of new proteins within the neuron, thereby changing its metabolic machinary or its structure.

Question 2

Function Of Fatigue:

e.g:,

Answer 2

To stabilize the nervous system

e.g. during epileptic seizures.