Study

Central Nervous System Review

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  • The diencephalon is located on the ________________________ surface of the cerebrum.
    ventral
  • Relaying information from the cerebrum to cerebellum is a function of the:
    pons
  • Is the cerebellum part of the brain stem?
    No
  • Which structure would be most active if you were in a hot, dry desert without water?
    Diencephalon (hypothalamus)
  • All of the structures of the CNS originate from the
    Neural tube
  • In adult humans, what percentage of the body’s neural tissue does the brain contain?
    97%
  • Brain region where the corticospinal tracts cross the midline to the opposite side of the body.
    Medulla oblongata
  • The medulla oblongata and the pons are structures in the CNS or PNS?
    Central Nervous System
  • The primary brain vesicles in which the neural tube is divided into are:
    Prosencephalon - Mesencephalon - Rhombencephalon
  • Brain region that controls visual reflexes that coordinate head and eye movements when we follow a moving object.
    midbrain
  • Are cranial nerves part of the brain?
    No
  • Which are the components of the PNS?
    Cranial nerves, Spinal nerves, Ganglia
  • Why is the cerebral cortex known as gray matter?
    Because it contains unmyelinated neuron cell bodies.
  • Which area regulates sleep, food intake, and endocrine (hormone) functions?
    Diencephalon
  • In which type of neurons do impulses move fastest?
    myelinated neurons
  • To which primary brain vesicle is the medulla oblongata a part of?
    rhombencephalon
  • Which brain region regulates blood pressure, breathing, and swallowing, acting as an autonomic reflex center of the brain?
    Medulla oblongata