TBL Head Injuries: Anatomy and Assessment
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Questions and Answers

What is the outermost layer of the meninges that is tough, fibrous, and inextensible?

  • Arachnoid mater
  • Pia mater
  • Meningeal layer
  • Periosteal layer (correct)
  • Which layer of the meninges is directly underneath the skull?

  • Meningeal layer
  • Pia mater
  • Periosteal layer (correct)
  • Arachnoid mater
  • What is the function of the dura mater?

  • Producing cerebrospinal fluid
  • Covering the brain and spinal cord
  • Supporting the brain structure
  • Protecting the brain from external forces (correct)
  • Which layer of the meninges is continuous with both cranial and spinal meninges?

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

    Which layer of the meninges covers the brain and spinal cord?

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

    Which layer of the meninges is relatively thin and fragile, adherent to the surface of the brain and spinal cord, and highly vascularised?

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

    Which structure separates the right and left cerebral hemispheres by projecting downwards?

    <p>Falx cerebri</p> Signup and view all the answers

    Which artery arises from branches of the external carotid artery to supply the dura mater of the anterior cranial fossa?

    <p>Anterior meningeal artery</p> Signup and view all the answers

    Which sinuses communicate with the nasal cavity through small apertures and are lined by pseudostratified ciliated columnar epithelium/respiratory mucosa?

    <p>Ethmoid sinus</p> Signup and view all the answers

    Which structure within the skull contains space anteromedially for passage of midbrain (tentorial notch) and separates occipital lobes from cerebellum?

    <p>Tentorium cerebelli</p> Signup and view all the answers

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