BioSci107 Muscle and Nerve Tissue Lecture 4 Quiz
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Questions and Answers

Which of the following statements about bipolar neurons is correct?

  • They are typically very long neurons, extending from the spinal cord to the toe muscles.
  • They can be found in skeletal muscles and are responsible for controlling motor functions.
  • They have two distinct processes: one dendritic process and one axon. (correct)
  • They are the most common type of neuron in the central nervous system (CNS).

    • Which of the following statements accurately describes unipolar neurons?

  • They are found primarily in motor neurons that control skeletal muscles.
  • They have a cell body that is located between the axon and dendrite.
  • The dendrites and axon are continuous, with the cell body off to one side. (correct)
  • They are the most common type of neuron in the central nervous system (CNS).

    • What is the primary function of anaxonic neurons?

  • To provide physical support and repair framework for the nervous tissue.
  • To control skeletal muscle movements in the body.
  • Their function is poorly understood, as their anatomy cannot distinguish dendrites from axons. (correct)
  • To relay information from receptor cells to other neurons in special sense organs.

    • Which of the following statements about neuroglia is incorrect?

    <p>Neuroglia are larger than neurons but less numerous.</p> Signup and view all the answers

    Which type of neuroglia is described as star-shaped, the largest and most numerous, forming a syncytium network?

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

    What is the primary function of neuroglia in the central nervous system (CNS)?

    <p>To provide physical structure, repair, phagocytosis, nutrient supply, and regulate interstitial fluid.</p> Signup and view all the answers

    Which of the following statements about motor neurons is correct?

    <p>They control skeletal muscle movements and can be some of the longest neurons, extending from the spinal cord to toe muscles.</p> Signup and view all the answers

    Which of the following statements about astrocytes is incorrect?

    <p>They are the smallest and least numerous type of neuroglia in the central nervous system (CNS).</p> Signup and view all the answers

    What is the primary function of neuroglia in regulating the interstitial fluid in the neural tissue?

    <p>To maintain the proper ionic balance and concentration of neurotransmitters in the extracellular space.</p> Signup and view all the answers

    Which type of neuron is responsible for relaying information from receptor cells to other neurons in special sense organs like sight, smell, and hearing?

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

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