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5 Written questions

5 Matching questions

  1. White Matter Columns
  2. Sensory&Motor Tracts: SPINOTHALAMIC TRACTS-Lateral & Anterior
  3. Sensory&Motor Tracts: SPINOCEREBELLAR TRACTS
  4. Sensory&Motor Tracts: INDIRECT PATHWAYS
  5. Intercostal Nerves
  1. a - these tracts convey nerve impulses for sensing pain, temperature, itching, tickling, deep pressure, and a crude, poorly localized sense of touch.

    Lateral: sense Pain and Temperature
    Anterior: sense Crude touch and Deep Pressure
  2. b - each column contains bundles of nerve fibers that may extend up or down the spinal cord called tracts.
    * Sensory (Ascending) Tracts - consist of axons that conduct nerve impulses from the spinal cord toward the brain.
    *Motor (Descending) Tracts - consist of axons that carry nerve impulses away from the brain down the spinal cord.
    -both tracts are continuous w/ sensory and motor tracts of the brain.
  3. c - this pathway includes:
    1.) Rubrospinal
    2.) Tectospinal
    3.) Vestibulospinal Tracts
    - they convey nerve impulses that govern automatic movements and help coordinate body movements w/ visual stimuli.
    -also maintain skeletal muscle tone, sustain contraction of postural muscles, and play a major role in equilibrium by regulating muscle tone in response to head movement.
  4. d - these tracts are involved with:
    1.) Subconscious Proprioception
    2.)Posture, balance, and coordination of skilled movements
  5. e - the anterior rami of spinal nerves T2-T12 do not enter into the formation of plexuses.
    - these nerves connect directly to the structures they supply in the intercostal spaces.

5 Multiple choice questions

  1. - these are components of the autonomic nervous system(ANS)
  2. - consists mostly of the cell bodies of neurons, neuroglia, unmyelinated axons, dendrites of interneurons and motor neurons.
    - nuclei that serve as neural processing centers and origins for certain nerves.
    -the gray commissure connects the two sides of the spinal spord.
  3. - these nerves are part of the peripheral nervous system(PNS).
    -they connect the CNS to sensory receptors, muscles, and glands in all parts of the body.
    -there are 31 pairs of these nerves.
    - 8 pairs of cervical nerves
    - 12 pairs of thoracic nerves
    - 5 pairs of lumbar nerves
    - 5 pairs of sacral nerves
    - 1 pair of coccygeal nerves
  4. - the axon and its associated glial cells form this.
    - is a process projecting from the cell body of a neuron.
  5. - integration takes place in the brain stem for this type of reflex.
    - example is the tracking movements of eyes as you read this sentence.

5 True/False questions

  1. Branches of Spinal Nerves: ANTERIOR (ventral) ROOT- each spinal nerve is attached to a spinal segment by two roots:
    - are sensory nerve fibers that transmit nerve impulses from the periphery into the spinal cord.
    *Posterior Dorsal Root Ganglion - contains the cell bodies of the sensory neurons.


  2. Brachial Plexus: RADIAL NERVE- this nerve supplies most of the muscles of the anterior forearm.


  3. Spinal Nerve Branches: MENINGEAL BRANCH- this branch reenters the vertebral cavity/canal through the invertebral foramen and supplies the vertebrae, vertebral ligaments, blood vessels of the spinal cordand meninges.


  4. Reflexes & Reflex Arcs: SOMATIC REFLEXES- integration takes place in the brain stem for this type of reflex.
    - example is the tracking movements of eyes as you read this sentence.


  5. Sensory&Motor Tracts:- this pathway includes:
    1.) Lateral Corticospinal
    2.) Anterior Corticospinal
    3.) Corticobulbar Tracts
    - they convey nerve impulses that originate in cerebral cortex destined to cause precise, voluntary movements of skeletal muscle.