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Question

Which part of neuron is the trigger zone for action potential initiation?

Options

Choose one · Correct answer highlighted

Explanation

Axon hillock–initial segment junction (B) is the right choice. This sits at the heart of Neuron; Structure and Function: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: Axon hillock–initial segment junction is the option that correctly names the structure, process, or principle asked for in Neuron; Structure and Function. That reasoning supports Axon hillock–initial segment junction. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ.