Spinal Cord Roots Anatomy
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Questions and Answers

What is the inferior termination of the spinal cord in adults?

  • L5
  • L3
  • S1
  • L1 (correct)
  • What type of malfunction is associated with a failure of closure at the cranial end of the neural tube?

  • Anencephaly (correct)
  • Spina bifida
  • Meningocele
  • Meningomyelocele
  • What is the function of the dorsal column tract?

  • Cognitive processing
  • Reflex activation
  • Sensory transmission (correct)
  • Motor control
  • Which tract is involved in transmitting visual information from the superior colliculus to the spinal cord?

    <p>Tectospinal tract</p> Signup and view all the answers

    What is the function of the medial longitudinal fasciculus?

    <p>Coordination of head and eye movements</p> Signup and view all the answers

    Which type of tract originates in the cerebral cortex and terminates in the spinal cord?

    <p>Descending tract</p> Signup and view all the answers

    Which type of nerve fibers carry information of noxious stimuli, such as pain and thermal stimuli?

    <p>A-delta, C</p> Signup and view all the answers

    What is the function of the ventral roots in the spinal cord?

    <p>Constitute motor outflow tracts from the spinal cord</p> Signup and view all the answers

    What is the region of the skin represented by a dermatome?

    <p>A well-defined segmental portion of the skin</p> Signup and view all the answers

    What is the term for the segmental portion of muscle represented by a spinal nerve?

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

    What is the function of the dorsal roots in the spinal cord?

    <p>Transmit sensory information from the periphery</p> Signup and view all the answers

    What is the term for the gray matter column in the spinal cord that contains cells of origin of fibers of the ventral roots?

    <p>Ventral Gray Column</p> Signup and view all the answers

    Which spinal tract is responsible for transmitting light touch information?

    <p>Anterior spinothalamic tract</p> Signup and view all the answers

    What is the function of the dorsal spinocerebellar tract?

    <p>Coordination of limbs and posture</p> Signup and view all the answers

    Which tract is involved in the transmission of pain and temperature?

    <p>Lateral spinothalamic tract</p> Signup and view all the answers

    What is the function of the spinoreticular pathway?

    <p>Influencing consciousness</p> Signup and view all the answers

    Which type of neuron is involved in the reflex arc?

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

    What is the function of the ventral spinocerebellar tract?

    <p>Movement control</p> Signup and view all the answers

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