Anatomy LE 5: Introduction to Neuroanatomy
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Questions and Answers

What is the main function of the Central Nervous System?

  • Regulation of Body Temperature
  • Regulation of Hormones
  • Coordinating body functions (correct)
  • Regulation of Blood Sugar
  • Which part of the brain is responsible for controlling involuntary actions?

  • Spinal Cord
  • Brainstem (correct)
  • Cerebrum
  • Cerebellum
  • What is the outer layer of the cerebrum known as?

  • White Matter
  • Cerebral Cortex (correct)
  • Cerebellar Peduncle
  • Gray Matter
  • What is the term for the study of the structure and function of the nervous system?

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

    What is the term for the process of determining the location of a nervous system lesion?

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

    What is the spinal cord divided into?

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

    What is the term for the thin layers of nerve fibers in the spinal cord?

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

    What is the significance of the size of each part in the cortical homunculus?

    <p>It is proportional to the area of the cortex dedicated to its function.</p> Signup and view all the answers

    What is the function of the cortical homunculus?

    <p>To illustrate the sensory and motor functions of the body.</p> Signup and view all the answers

    Which part of the brain contains the 4th ventricle?

    <p>Medulla Oblongata</p> Signup and view all the answers

    How many parts does the brainstem consist of?

    <p>3</p> Signup and view all the answers

    What is the term for the Pons and Medulla Oblongata?

    <p>Bulbar region</p> Signup and view all the answers

    What is the current classification of the Diencephalon?

    <p>No longer considered part of the brainstem</p> Signup and view all the answers

    What is the name of the structure that represents the sensory and motor functions of the body?

    <p>Cortical homunculus</p> Signup and view all the answers

    What is the structure located in the white matter of the middle pons?

    <p>Basis Pontis</p> Signup and view all the answers

    What fibers loop and pass dorsal to the abducens nucleus on their way to exit the brainstem?

    <p>Efferent fibers from the facial motor nucleus</p> Signup and view all the answers

    What is the shape of the cross section at the trigeminal nuclei in the caudal pons?

    <p>Wide boat</p> Signup and view all the answers

    What is the structure that forms the lateral edge of the facial colliculus?

    <p>Sulcus limitans</p> Signup and view all the answers

    In which part of the brainstem do the fibers from the facial motor nucleus go up and loop around the abducens nucleus?

    <p>Medial pontine tegmentum</p> Signup and view all the answers

    What is the structure underneath the facial colliculus?

    <p>Facial motor nucleus</p> Signup and view all the answers

    What is the fluid cavity found in the caudal pons?

    <p>4th ventricle</p> Signup and view all the answers

    What is the name of the structure formed by the lumbar and sacral nerve roots in the lumbar cistern?

    <p>Cauda equina</p> Signup and view all the answers

    How many pairs of spinal nerves are formed by the dorsal and ventral roots?

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

    What is the name of the lowest segment of the spinal cord?

    <p>Conus medullaris</p> Signup and view all the answers

    What is the reason for the discrepancy between spinal cord segment levels and vertebral levels?

    <p>Lumbar and sacral nerve roots descend within the lumbar cistern</p> Signup and view all the answers

    Through which structure do the spinal nerves exit?

    <p>Intervertebral foramina</p> Signup and view all the answers

    How many cervical spinal cord segments are there?

    <p>8</p> Signup and view all the answers

    What is the function of the dorsal and ventral roots?

    <p>They form the spinal nerves</p> Signup and view all the answers

    What is the major etiologic cause of neurologic impairment?

    <p>Vascular strokes</p> Signup and view all the answers

    Which structure is responsible for controlling and integrating the autonomic nervous system and endocrine system?

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

    What is the term for the complex network of densely packed nuclei and tracts with a net-like histological appearance?

    <p>Reticular formation</p> Signup and view all the answers

    What is the structure that lies within the tegmentum of the rostral midbrain?

    <p>Red nuclei</p> Signup and view all the answers

    What is the representation of the human body on a specific part of the CNS?

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

    What is the part of the nervous system that the trigeminal ganglion is a part of?

    <p>Peripheral nervous system</p> Signup and view all the answers

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