Neurobiology: Autonomic Nervous System
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Questions and Answers

What is the Autonomic Nervous System responsible for controlling?

  • Voluntary muscle contractions
  • Cognitive functions such as thinking and memory
  • Sensory information from the environment
  • Involuntary bodily functions (correct)
  • Which type of synapse is shown in Figure 1.D?

  • GABAergic NMJ
  • Cholinergic neuromuscular junction (correct)
  • Dopaminergic NMJ
  • Neuron-neuron synapse
  • What is the function of the presynaptic terminal?

  • Transmitting signals to other neurons (correct)
  • Regulating muscle contractions
  • Receiving signals from other neurons
  • Storing neurotransmitters
  • What is the main difference between the images in Figure 1.A and Figure 1.B?

    <p>The method of fixation used</p> Signup and view all the answers

    What is the function of mitochondria in neurons?

    <p>Producing ATP for the neuron</p> Signup and view all the answers

    What is the function of microtubules in neurons?

    <p>Maintaining neuronal structure</p> Signup and view all the answers

    What is the efferent division of the Peripheral nervous system responsible for?

    <p>Controlling involuntary functions</p> Signup and view all the answers

    What is the Autonomic Nervous System a part of?

    <p>Peripheral nervous system</p> Signup and view all the answers

    Study Notes

    Cell Functions of Neurons

    • Resting state is a key function of neurons
    • Electron microscope images of worm synapses show various structures, including:
      • Ventral nerve cord fixed by classical method using osmium and glutaraldehyde
      • Ventral nerve cord fixed by high-pressure freezing
      • Synapses with different components (e.g., SV, MT, presynaptic density, postsynaptic density-like structures)

    Autonomic Nervous System

    • The Autonomic Nervous System is a part of the Peripheral nervous system
    • It is a subdivision of the efferent division
    • It controls involuntary bodily functions, including:
      • Cardiac function
      • Body temperature
      • Smooth muscle function
      • Gland function
      • Arterial blood pressure

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    Description

    Explore the structure and functions of neurons, the autonomic nervous system, and synaptic transmissions. Learn about cell functions, resting states, and more.

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