The Nervous System
60 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which connective tissue layer surrounds groups of fascicles (groups of axons)?

  • Perineurium (correct)
  • Endoneurium
  • Schwann cells
  • Epineurium

    • What is the connective tissue layer that surrounds nerves (groups of fascicles)?

  • Endoneurium
  • Epineurium (correct)
  • Perineurium
  • Schwann cells

    • What is the function of Schwann cells in nerve conduction?

  • To transmit electrical signals
  • To protect the axons
  • To provide nutrients to the axons
  • To produce myelin sheath (correct)

    • What is the role of the endoneurium in nerve tissue?

    <p>To surround axons</p> Signup and view all the answers

    Which type of matter contains neuronal cell bodies in the cerebrum?

    <p>Gray matter</p> Signup and view all the answers

    What type of cells are found in the choroid plexus?

    <p>Ependymal cells</p> Signup and view all the answers

    What is the function of the central canal in the spinal cord?

    <p>To contain cerebrospinal fluid</p> Signup and view all the answers

    What is the connective tissue capsule that surrounds a ganglion?

    <p>Connective tissue capsule</p> Signup and view all the answers

    What cells produce the myelin sheath in peripheral nerves?

    <p>Schwann cells</p> Signup and view all the answers

    What is the function of fibroblasts in peripheral nerves?

    <p>To support and maintain the connective tissue</p> Signup and view all the answers

    Which cells in the nervous system respond to environmental changes and transmit nerve impulses?

    <p>Neurons</p> Signup and view all the answers

    Which component of a neuron is responsible for receiving information from other neurons at synapses?

    <p>Dendrites</p> Signup and view all the answers

    What is the function of the axon hillock in a neuron?

    <p>To make the decision to send an action potential or not</p> Signup and view all the answers

    What is the main function of glial cells in the nervous system?

    <p>To support and protect neurons</p> Signup and view all the answers

    What is the role of the nissl substance in a neuron?

    <p>To synthesize proteins</p> Signup and view all the answers

    What is the main function of the dendritic spines in a neuron?

    <p>To receive information from other neurons</p> Signup and view all the answers

    What is the function of the axon in a neuron?

    <p>To transmit nerve impulses</p> Signup and view all the answers

    What is the function of the axolemma in a neuron?

    <p>To transmit nerve impulses</p> Signup and view all the answers

    What are the components of the cytoskeleton in a neuron?

    <p>Microtubules, actin, microfilaments, intermediate filaments</p> Signup and view all the answers

    What is the main function of nervous tissue?

    <p>To transmit nerve impulses</p> Signup and view all the answers

    Which type of neuron has two or more dendrites and one axon?

    <p>Multipolar neuron</p> Signup and view all the answers

    Which type of neuron has one dendrite and one axon?

    <p>Bipolar neuron</p> Signup and view all the answers

    Which type of neuron has a single process that splits into two branches, one longer and one shorter?

    <p>Unipolar neuron</p> Signup and view all the answers

    Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

    <p>Anaxonic neuron</p> Signup and view all the answers

    Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

    <p>Axodendritic synapse</p> Signup and view all the answers

    Which type of synapse connects the axon of one neuron to the cell body of another neuron?

    <p>Axosomatic synapse</p> Signup and view all the answers

    Which type of synapse connects the axon of one neuron to the axon of another neuron?

    <p>Axoaxonic synapse</p> Signup and view all the answers

    What is the function of astrocytes in the CNS?

    <p>All of the above</p> Signup and view all the answers

    Which glial cell synthesizes myelin in the CNS?

    <p>Oligodendrocytes</p> Signup and view all the answers

    Which glial cell provides immune defense and removes microbial invaders in the CNS?

    <p>Microglia</p> Signup and view all the answers

    Which connective tissue layer surrounds groups of fascicles (groups of axons)?

    <p>Perineurium</p> Signup and view all the answers

    What is the main function of fibroblasts in peripheral nerves?

    <p>Producing connective tissue</p> Signup and view all the answers

    Which glial cell synthesizes myelin in the CNS?

    <p>Oligodendrocytes</p> Signup and view all the answers

    What is the function of the axolemma in a neuron?

    <p>Initiating nerve impulses</p> Signup and view all the answers

    Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

    <p>Axodendritic synapse</p> Signup and view all the answers

    What is the role of the nissl substance in a neuron?

    <p>Synthesizing proteins</p> Signup and view all the answers

    What is the connective tissue capsule that surrounds a ganglion?

    <p>Connective tissue capsule</p> Signup and view all the answers

    Which type of neuron has a single process that splits into two branches, one longer and one shorter?

    <p>Unipolar neuron</p> Signup and view all the answers

    What is the function of the central canal in the spinal cord?

    <p>Containing cerebrospinal fluid</p> Signup and view all the answers

    Which glial cell provides immune defense and removes microbial invaders in the CNS?

    <p>Microglia</p> Signup and view all the answers

    Which component of a neuron is responsible for transmitting nerve impulses?

    <p>Axon</p> Signup and view all the answers

    What is the function of the axon hillock in a neuron?

    <p>Initiating action potential</p> Signup and view all the answers

    What is the main function of astrocytes in the CNS?

    <p>Maintaining the blood-brain barrier</p> Signup and view all the answers

    What is the role of the nissl substance in a neuron?

    <p>Synthesizing proteins</p> Signup and view all the answers

    What is the main function of glial cells in the nervous system?

    <p>Providing immune defense</p> Signup and view all the answers

    What is the function of Schwann cells in nerve conduction?

    <p>Producing the myelin sheath in the PNS</p> Signup and view all the answers

    What is the function of fibroblasts in peripheral nerves?

    <p>Producing connective tissue</p> Signup and view all the answers

    What is the connective tissue layer that surrounds groups of fascicles (groups of axons)?

    <p>Perineurium</p> Signup and view all the answers

    What is the function of the central canal in the spinal cord?

    <p>Containing cerebrospinal fluid</p> Signup and view all the answers

    What is the function of the axolemma in a neuron?

    <p>Sending an action potential or not</p> Signup and view all the answers

    Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

    <p>Anaxonic neuron</p> Signup and view all the answers

    What is the main function of astrocytes in the CNS?

    <p>Structural and metabolic support</p> Signup and view all the answers

    What is the function of the axon hillock in a neuron?

    <p>Sending the information</p> Signup and view all the answers

    Which type of matter contains neuronal cell bodies in the cerebrum?

    <p>Gray matter</p> Signup and view all the answers

    What is the function of Schwann cells in nerve conduction?

    <p>Form myelin sheaths around peripheral nerves</p> Signup and view all the answers

    Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

    <p>Axodendritic synapse</p> Signup and view all the answers

    What is the main function of the dendritic spines in a neuron?

    <p>Receiving the information</p> Signup and view all the answers

    What is the main function of glial cells in the nervous system?

    <p>Supporting neurons</p> Signup and view all the answers

    Which component of a neuron is responsible for receiving information from other neurons at synapses?

    <p>Dendrites</p> Signup and view all the answers

    What is the function of fibroblasts in peripheral nerves?

    <p>Produce connective tissue</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser