What is a Neuron? - Definition, Parts & Function

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

A neurotransmitter is a type of _____.

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1. The part of the neuron that receives signals is called a _____.

2. An action potential occurs when a _____.

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About This Quiz & Worksheet

Neurons are the main cells of the nervous system and this quiz/worksheet combo will help you test your understanding of their characteristics. Some things you'll be assessed on include anatomy and physiology of neurons.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Role of neurotransmitters
  • Neuron anatomy
  • Function of action potentials and their phases
  • All-or-None Law

Skills Practiced

This quiz/worksheet allows students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson about neurons
  • Interpreting information - verify that you can read and interpret information regarding physiologic functions of nerve cells
  • Defining key concepts - ensure that you can accurately define neurotransmitter, action potential and All-or-None Law

Additional Learning

To learn more, review the accompanying lesson about characteristics of neurons. This lesson, entitled Neurons, covers the following objectives:

  • Define nerve and neurotransmitter
  • Describe the anatomical landmarks of a neuron
  • Explain how nerves send messages to and from the brain
  • Define All-or-None Law, refractory period and resting potential
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