Huntington’s Disease Overview

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Questions and Answers

Which pathway is lost first in Huntington's Disease leading to an increased UMN excitability?

  • Striatopallidal (correct)
  • Corticostriatal
  • Striatonigral
  • Thalamocortical

What is the characteristic movement disorder seen in Huntington's Disease?

  • Tremor
  • Dystonia
  • Bradykinesia
  • Chorea (correct)

What type of inheritance pattern is observed in Huntington's Disease?

  • Y-linked dominant
  • Autosomal recessive
  • X-linked recessive
  • Autosomal dominant (correct)

Which region undergoes structural loss in Huntington's Disease, leading to enlargement of the lateral ventricle?

<p>Putamen (B)</p> Signup and view all the answers

What mutation leads to Huntington's Disease, characterized by the expansion of which triplet within the coding region of the huntingtin gene?

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

What is the main cause of neuronal loss in Huntington's disease?

<p>Mutated huntingtin protein expression (B)</p> Signup and view all the answers

Which type of neurons are spared in Huntington's disease?

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

What treatment can be used to alleviate symptoms of Huntington's disease?

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

Which chromosome experiences a genetic mutation in Huntington's disease?

<p>4th chromosome (A)</p> Signup and view all the answers

What specific order does neuronal loss follow in Huntington's disease?

<p>Corticostriatal → striatopallidal → striatonigral (D)</p> Signup and view all the answers

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