This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Synaptic potential can be recorded by:March 2012 \nSelect and explain. \nA. Patch clamp technique, B. Voltage clamp technique, C. Microelectrode, D. EEG', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: C i.e. MicroelectrodeSynaptic potential/Postsynaptic potentialIt is a change in the potential, voltage, of the post synaptic cell.It is an alteration in the membrane potential of a cell resulting from activation of a synaptic input.All animal cells maintain a voltage difference between the intracellular and extracellular regions, holding the intracellular region at a negative voltage that in a baseline state is ur"<> in the range -30 to -70 millivolts.Synaptic inputs from neurons can alter this voltage difference.If the intracellular voltage rises, the signal is called an excitatory postsynaptic potential (EPSP); if it falls the signal is called an inhibitory postsynaptic potential (IPSP).If the cell is electrically excitable, a sufficiently large EPSP may cause it to generate an action potential.', 'role': 'assistant'}]