Nervous System Overview Quiz
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Questions and Answers

What does histology study?

  • Cells on a microscopic level (correct)
  • The behavior of living organisms
  • Tissues of multicellular organisms
  • The structure of large organs

    • Which type of neuron has a single axon and multiple dendrites?

  • Multipolar (correct)
  • Unipolar
  • Bipolar
  • Tripolar

    • What is the primary function of dendrites in neurons?

  • To conduct electrical impulses
  • To store genetic material
  • To receive signals from other neurons (correct)
  • To protect the neuron from damage

    • Which neuron type has one axon and one dendrite extending from the cell body?

    <p>Bipolar (C)</p> Signup and view all the answers

    What is the role of neuroglial cells in the nervous system?

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

    What is the primary function of the sensory division of the nervous system?

    <p>To convert stimuli into nerve impulses (B)</p> Signup and view all the answers

    Which of the following accurately describes the somatic nervous system?

    <p>Controls skeletal muscles with voluntary control (B)</p> Signup and view all the answers

    Why is nerve damage considered more problematic than damage to muscles or skin?

    <p>Nerve damage is harder to repair due to complex structures (A)</p> Signup and view all the answers

    Which system is responsible for involuntary control of effectors like the heart?

    <p>Autonomic Nervous System (D)</p> Signup and view all the answers

    What are the two main categories of the nervous system?

    <p>Somatic and autonomic (A)</p> Signup and view all the answers

    What structures make up the Central Nervous System (CNS)?

    <p>Brain and spinal cord (C)</p> Signup and view all the answers

    Which division of the Peripheral Nervous System is responsible for voluntary movements?

    <p>Somatic nervous system (D)</p> Signup and view all the answers

    What sensation is primarily caused by hitting your 'funny bone'?

    <p>Stimulation of peripheral nerves (C)</p> Signup and view all the answers

    What function does the sympathetic nervous system serve?

    <p>Responding to stressful situations (B)</p> Signup and view all the answers

    Which part of the nervous system can be affected when someone can't move?

    <p>Both the Central and Peripheral Nervous Systems (B)</p> Signup and view all the answers

    Which system is responsible for involuntary functions?

    <p>Autonomic nervous system (D)</p> Signup and view all the answers

    What does the term 'peripheral' refer to in the context of the nervous system?

    <p>Branches extending from the CNS (A)</p> Signup and view all the answers

    Which function is associated with the parasympathetic nervous system?

    <p>Rest and digest (D)</p> Signup and view all the answers

    What is the primary function of the spinal cord?

    <p>Serve as a center for spinal reflexes (A)</p> Signup and view all the answers

    Which of the following layers is the most superficial layer of the meninges?

    <p>Dura mater (C)</p> Signup and view all the answers

    What connects the two cerebral hemispheres?

    <p>Corpus callosum (A)</p> Signup and view all the answers

    Which structure is responsible for nourishing brain cells?

    <p>Pia mater (D)</p> Signup and view all the answers

    Which term refers to a bundle of nervous tissue connecting the cerebrum to the spinal cord?

    <p>Tract (D)</p> Signup and view all the answers

    What are the two major functions of the spinal cord?

    <p>Conducts nerve impulses and serves as a center for spinal reflexes. (B)</p> Signup and view all the answers

    What primarily composes gray matter in the brain and spinal cord?

    <p>Nerve cell bodies and branching dendrites. (D)</p> Signup and view all the answers

    Which statement correctly describes white matter?

    <p>It mainly consists of nerve fibers. (C)</p> Signup and view all the answers

    What is the primary role of sensory nerves?

    <p>To conduct impulses to the brain. (A)</p> Signup and view all the answers

    Which category do most nerves fall under in terms of function?

    <p>Nerves that include both sensory and motor fibers. (A)</p> Signup and view all the answers

    What is the primary function of astrocytes in the nervous system?

    <p>Support neurons and blood vessels (D)</p> Signup and view all the answers

    What type of neuroglia is responsible for forming myelin sheaths in the central nervous system?

    <p>Oligodendrocytes (A)</p> Signup and view all the answers

    What is the appearance of myelinated axons in the central nervous system?

    <p>They form white matter (B)</p> Signup and view all the answers

    Which neuroglial cells are involved in the process of removing debris in the nervous system?

    <p>Microglia (D)</p> Signup and view all the answers

    How do unipolar and bipolar neurons differ in terms of structure and function?

    <p>Unipolar neurons allow for smaller functions with less branching (B)</p> Signup and view all the answers

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