Trivia Quiz On Neurons

10 Questions | Total Attempts: 370

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Cell Quizzes & Trivia

Questions and Answers
  • 1. 
    The 3 main kinds of neurons are:
    • A. 

      Sensory neuron, motor neuron and glial cells

    • B. 

      Sensory neuron, interneuron and motor neuron

    • C. 

      Sensory neuron, interneuron and glial cells

    • D. 

      Interneuron, motor neuron and glial cells

  • 2. 
    Nerve messages enter neurons through the:
    • A. 

      Dendrite

    • B. 

      Axon

    • C. 

      Synaptic terminal

    • D. 

      Cell body

  • 3. 
    The gap between two neurons or between a neuron and a muscle cell is called a:
    • A. 

      Synapse

    • B. 

      Neurotransmitter

    • C. 

      Resting potential

    • D. 

      Vesicle

  • 4. 
    In an axon which is in its resting state, which molecules are located inside?
    • A. 
    • B. 
    • C. 
    • D. 

      Positively charged proteins

  • 5. 
    Which of the following is not true of the action potential?
    • A. 
    • B. 
    • C. 
    • D. 

      The inside of the axon is briefly more positive than the outside of the axon.

  • 6. 
    Which of the following is the result of calcium ions diffusing into the neuron?
    • A. 

      Vesicles containing neurotransmitters fuse with the cell membrane

    • B. 

      Potassium channels open

    • C. 

      The sodium/potassium pump begins actively transporting ions

    • D. 

      Nerve messages are inhibited

  • 7. 
    Saltatory conduction involves which of the following?
    • A. 

      Nodes of Ranvier

    • B. 

      Potassium channel proteins

    • C. 

      Gray matter

    • D. 

      Acetylcholine

  • 8. 
    Acetylcholine causes:
    • A. 

      The depolarization of the sarcolemma.

    • B. 

      An action potential to fire down the axon.

    • C. 

      Calcium channels in the cell membrane to open.

    • D. 

      Calcium ions to be pumped into the sarcoplasmic reticulum.

  • 9. 
    Which of the following is true of sensory neurons?
    • A. 

      Also known as efferent neurons

    • B. 

      Carry messages to the CNS

    • C. 

      Connect to muscles

    • D. 

      Are found in different nerves than motor neurons

  • 10. 
    Muscle contractions do not go on forever because:
    • A. 

      Cholinesterase breaks down the acetylcholine.

    • B. 

      There is a limited amount of acetylcholine.

    • C. 

      Once the calcium in the cell is used up, the muscle relaxes.

    • D. 

      Other molecules can block the acetylcholine receptors.