Biological Aspects of Brain Function quiz

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1. A 48-year-old woman presents with a movement disorder (Chorea) and mental deterioration. MRI shows the loss of a structure in the wall of the anterior horn of the lateral ventricle. Which of the following is most likely in this patient?

  • Head of the caudate nucleus
  • Body of the caudate nucleus
  • Dorsomedial nucleus
  • Column of the fornix
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2. A 29-year-old man is brought to the emergency department with a severe and persistent headache. MRI shows a large tumor of the pineal gland. Based on its location, this pineal lesion would most likely impinge on which of the following structures?

  • Globus pallidus
  • Anterior thalamic nucleus
  • Pulvinar nuclei
  • Body of the caudate nucleus

3. A 47-year-old woman presents with signs of increased intracranial pressure (i.e. vomiting, headache, lethargy). MRI shows a large tumor invading the head of the caudate, the rostral portion of the putamen and involving a fiber bundle located between

  • Anterior limb of the internal capsule
  • Putamen
  • Globus pallidus
  • Pulvinar nuclei

4. Which of the following represents the larger, more laterally, located portion of the basal ganglia?

  • Putamen
  • Caudate nucleus
  • Subthalamic nucleus
  • Substantia nigra

5. A 47-year-old woman presents with signs of increased intracranial pressure (i.e. vomiting, headache, lethargy). MRI shows a large tumor invading the head of the caudate, the rostral portion of the putamen and involving a fiber bundle located between

  • Anterior limb of the internal capsule
  • Anterior commissure
  • Column of the fornix
  • External capsule

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