Nervous System Development Lecture 1 Quiz
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Questions and Answers

Where are Upper Motor Neurons (UMNs) located?

  • In the prefrontal area association areas (correct)
  • In the brainstem or spinal cord
  • In the postcentral gyrus
  • In the skeletal muscle fibers
  • What is the characteristic shape of Upper Motor Neurons (UMNs) cell bodies?

  • Cuboidal
  • Pyramidal (correct)
  • Round
  • Triangular
  • Which area is responsible for organizing motor functions before they are initiated in the primary motor cortex?

  • Primary motor cortex
  • Prefrontal area association areas
  • Premotor area (correct)
  • Postcentral gyrus
  • What is the primary function of the Lower Motor Neurons (LMNs)?

    <p>Synapsing with skeletal muscle fibers</p> Signup and view all the answers

    Where is the Primary Sensory Cortex located?

    <p>In the postcentral gyrus</p> Signup and view all the answers

    What does the motor homunculus represent?

    <p>Proportional motor innervation across body parts</p> Signup and view all the answers

    Where does the anterior association area, involved with intellect and cognition, reside?

    <p>Prefrontal cortex</p> Signup and view all the answers

    Which area of the brain plays a role in recognizing patterns and faces?

    <p>Temporal lobe</p> Signup and view all the answers

    What is the function of multimodal association areas in the brain?

    <p>Send inputs to multiple sensory areas</p> Signup and view all the answers

    Which area provides emotional impact that helps establish memories?

    <p>Limbic system</p> Signup and view all the answers

    What type of memory is contained in the prefrontal cortex?

    <p>Working memory</p> Signup and view all the answers

    Which association area is involved in understanding written and spoken language?

    <p>Posterior association area</p> Signup and view all the answers

    What is the name of the structure that sends a signal to the ectoderm, resulting in the formation of the neural plate?

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

    Which germ layer gives rise to the skin and nervous system during embryonic development?

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

    What is the evolutionary development of the anterior part of the central nervous system called?

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

    Which primary vesicle arises from the hindbrain during embryonic development?

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

    Where does the cerebral cortex primarily located in the brain?

    <p>Outermost layer of the brain</p> Signup and view all the answers

    Which lobe of the cerebral cortex is primarily responsible for conscious perception of auditory stimuli?

    <p>Temporal lobe</p> Signup and view all the answers

    Which type of areas in the cerebral cortex are responsible for control of voluntary movement?

    <p>Motor areas</p> Signup and view all the answers

    What is the main function of the primary motor cortex located in the frontal lobe?

    <p>Voluntary control of skeletal muscles</p> Signup and view all the answers

    What is lateralization of cortical function in the hemispheres referring to?

    <p>The dominance of one hemisphere in specific functions</p> Signup and view all the answers

    What is the role of ascending tracts in the nervous system?

    <p>Conduct sensory impulses to the brain</p> Signup and view all the answers

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