Central Nervous System Quiz
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Questions and Answers

How many layers of membrane protect the brain and spinal cord?

  • 3 (correct)
  • 1
  • 2
  • 4
  • What is the primary function of the Cauda Equina?

  • To control chest and torso
  • To control groin, thighs, lower legs, and feet
  • To control head, neck, and arms
  • To receive messages between lower limbs and pelvic organs (correct)
  • Where does the Filum Terminale extend to?

  • L1/L2 vertebra
  • Foramen magnum
  • 1st coccygeal vertebra (correct)
  • Brainstem
  • How many spinal nerves are there in the body?

    <p>31</p> Signup and view all the answers

    Which part of the spinal cord is responsible for controlling the tailbone?

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

    What is the continuation of the brainstem?

    <p>Spinal cord</p> Signup and view all the answers

    What fills the subarachnoid space between the pia and arachnoid layers?

    <p>Cerebrospinal fluid</p> Signup and view all the answers

    Which part of the spinal cord's grey matter is responsible for controlling the chest and torso?

    <p>Anterior horn</p> Signup and view all the answers

    Which part of the spinal cord is responsible for sensory processing?

    <p>Posterior horn</p> Signup and view all the answers

    Where does the lateral horn exist in the spinal cord?

    <p>Thoracic, upper lumbar, sacral regions</p> Signup and view all the answers

    What is the function of the anterior horn in the spinal cord?

    <p>Sends out motor signals to skeletal muscles</p> Signup and view all the answers

    What is the role of the dorsal root in the spinal cord?

    <p>Transmits sensory information</p> Signup and view all the answers

    What is the function of the posterior ramus of a spinal nerve?

    <p>Forms the trunk of the spinal nerve</p> Signup and view all the answers

    What are the dural folds that separate different brain regions?

    <p>Falx cerebi, falx cerebelli, tentorium cerebelli</p> Signup and view all the answers

    What is the function of the cranial nerve nuclei?

    <p>Either motor or sensory</p> Signup and view all the answers

    What is the most common type of sensory ganglion in the spinal cord?

    <p>Dorsal root</p> Signup and view all the answers

    Where does the anterior root exit the spinal cord?

    <p>Through anterolateral sulcus</p> Signup and view all the answers

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