Cerebral Hemisphere: External Configuration
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Questions and Answers

Which part of the brain is involved in Parkinson's disease?

  • Corticospinal fibers
  • Thalamocortical fibers
  • Internal capsule
  • Basal nuclei (correct)
  • What major subdivision of the cerebral hemisphere includes prominent forebrain centers involved in motor function?

  • Thalamocortical fibers
  • Corticospinal fibers
  • Internal capsule
  • Basal nuclei (correct)
  • Which type of fibers are prominent in the internal capsule white matter?

  • Projection fibers
  • Thalamocortical fibers
  • Commissural fibers
  • Corticospinal fibers (correct)
  • Which lobe of the cerebral cortex is located superior to the lateral cerebral fissure?

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

    Which part of the brain is characterized by progressive impairment of movements in Parkinson's disease?

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

    What is the largest and most organized part of the subcortical white matter in the brain?

    <p>Internal capsule</p> Signup and view all the answers

    What structure divides the portion of the hemisphere superior to the Sylvian fissure into the frontal lobe anteriorly and the parietal lobe posteriorly?

    <p>Central sulcus of Rolando</p> Signup and view all the answers

    Which fissure separates the occipital lobe from the rest of the hemisphere?

    <p>Parieto-occipital fissure</p> Signup and view all the answers

    Where is the tip of the parieto-occipital fissure visible?

    <p>Superior margin</p> Signup and view all the answers

    Which imaginary line gives us the inferior boundary of the parietal lobe?

    <p>From the tip of the lateral sulcus towards the anterior boundary line of the occipital lobe</p> Signup and view all the answers

    Which structure sets off the occipital lobe from the rest of the hemisphere?

    <p>Pre-occipital notch</p> Signup and view all the answers

    What is detectable in the inferior margin that helps set off part of the hemisphere?

    <p>Pre-occipital notch</p> Signup and view all the answers

    What is the main function of the cerebral hemisphere according to the text?

    <p>Performing intellectual functions</p> Signup and view all the answers

    Which structure covers the entire surface of the cerebral hemisphere and is about 0.5 cm thick?

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

    What are the elevations or peaks on the cerebral cortex called?

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

    What is the function of annectant gyrus in the cerebral hemisphere?

    <p>Connecting two adjacent gyri over a sulcus</p> Signup and view all the answers

    Which part of the brain is responsible for exercising judgment, logic, and imagination?

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

    What type of sulcus is deeper than the others and divides the cerebral hemisphere?

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

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