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
Spontaneous release of acetylcholine at the neuromuscular junction produces 
Select and explain. 
A. Miniature end-plate potential, B. Action potential, C. Post-tetanic potential, D. Resting membrane potential
A: Miniature end-plate potential
Answer: A: Miniature end-plate potential 
Explanation: Spontaneous release of acetylcholine in small amounts normally happens in synapses. This can result in miniature end plate potential.