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Anatomy & Physiology: Nervous System and Embryology

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  • Which organ system besides the nervous system develops from the ectoderm?
    Integumentary system develops from the ectoderm besides the nervous system.
  • Which primary vesicle of the embryonic nervous system does not further differentiate at the secondary stage?
    Mesencephalon does not differentiate into more vesicles at the secondary stage.
  • Which adult structures arise from the diencephalon?
    The thalamus, hypothalamus, and retina develop from the diencephalon.
  • Which non-nervous tissue develops from the neuroectoderm?
    Craniofacial bone develops from the neuroectoderm.
  • Which structure is associated with the embryologic development of the peripheral nervous system?
    Neural crest is associated with peripheral nervous system development.
  • Which lobe of the cerebral cortex is responsible for generating motor commands?
    Frontal lobe generates motor commands.
  • What region of the diencephalon coordinates homeostasis?
    Hypothalamus coordinates homeostasis.
  • What level of the brain stem is the major input to the cerebellum?
    Pons is the major input to the cerebellum.
  • Which region of the spinal cord contains motor neurons that direct skeletal muscle movement?
    Anterior horn contains motor neurons for skeletal muscles.
  • Brodmann’s areas map different regions of which brain structure to particular functions?
    Brodmann’s areas map regions of the cerebral cortex to functions.
  • Which blood vessel enters the cranium to supply the brain with oxygenated blood?
    Internal carotid artery supplies the brain with oxygenated blood.
  • Which meningeal layer surrounds and supports the sinuses for blood drainage from the CNS?
    Dura mater surrounds and supports the venous sinuses.
  • What type of glial cell produces cerebrospinal fluid at the choroid plexus?
    Ependymal cells filter blood to produce CSF at the choroid plexus.
  • Which portion of the ventricular system is located within the diencephalon?
    Third ventricle is found within the diencephalon.
  • What condition causes a stroke?
    Disruption of blood flow to the brain causes a stroke.
  • What type of ganglion contains neurons controlling homeostatic mechanisms?
    Autonomic ganglion contains neurons for homeostatic control.
  • Which ganglion is responsible for cutaneous sensations of the face?
    Trigeminal ganglion mediates facial cutaneous sensations.
  • What is the name for a bundle of axons within a nerve?
    Fascicle is a bundle of axons within a nerve.
  • Which cranial nerve does not control functions in the head and neck?
    Vagus nerve controls functions beyond the head and neck.
  • Which structure is not under direct control of the peripheral nervous system?
    Trigeminal ganglion is not under direct peripheral nervous system control.