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 (A)</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 (B)</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 (C)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Superior margin (A)</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 (C)</p> Signup and view all the answers

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

<p>Pre-occipital notch (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Gyri (D)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Fissure (C)</p> Signup and view all the answers

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