Anatomy & Histology · single question
Demyelinating disease can produce all of the following clinical signs EXCEPT:
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Correct answer: D. Dysplasia
- A. Dysaesthesia (abnormal, often unpleasant sensation) reflects demyelination of sensory tracts — a hallmark of multiple sclerosis.
- B. Dysphagia (difficulty swallowing) results from demyelination of the cranial nerve pathways controlling deglutition.
- C. Dysarthria (disordered speech articulation) results from demyelination affecting motor speech pathways.
- D. Correct — this is the EXCEPTION. DYSPLASIA is disordered tissue or cell DEVELOPMENT (fibrous dysplasia, epithelial dysplasia). It is a developmental/pathological term with no neurological meaning. The other three are genuine neurological deficits.
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