CNS: Brain & Spinal Cord Functions
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Questions and Answers

What is the function of the meninges in the central nervous system?

  • To protect the brain and spinal cord from toxins (correct)
  • To process sensory information
  • To absorb cerebrospinal fluid
  • To regulate blood flow to the brain

    • What is the purpose of the blood-brain barrier?

  • To prevent toxins from entering the brain (correct)
  • To promote the flow of cerebrospinal fluid
  • To enhance sensory processing
  • To support communication between brain regions

    • What is the main role of dura mater in the central nervous system?

  • It forms a tough protective layer around the brain (correct)
  • It regulates neural impulses
  • It produces cerebrospinal fluid
  • It processes sensory information

    • How is meningitis primarily detected for diagnosis?

    <p>By sampling cerebrospinal fluid through a spinal tap</p> Signup and view all the answers

    Which structure is responsible for draining cerebrospinal fluid to the jugular vein for reabsorption into the bloodstream?

    <p>Sigmoid sinuses</p> Signup and view all the answers

    Where is the subdural space located in relation to the dura mater and arachnoid mater?

    <p>Under the arachnoid mater</p> Signup and view all the answers

    What is the function of CSF (Cerebrospinal fluid) within the subarachnoid space?

    <p>To protect the brain from impact of the skull</p> Signup and view all the answers

    Which layer is described as 'Spider mother' in the text?

    <p>Arachnoid mater</p> Signup and view all the answers

    Where are the ventricles located within the brain?

    <p>Deep inside the brain tissue</p> Signup and view all the answers

    What is the pathway of CSF flow starting from the lateral ventricles?

    <p>Interventricular foramina to third ventricle to cerebral aqueduct to fourth ventricle</p> Signup and view all the answers

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