Earliest symptom of Tay sach disease
Correct Answer: Exaggerated stale response
Description: Ans. is 'a' i.e., Exaggerated stale response Tay-Sach diseaseClinical symptoms are usually evident in the first year of lifeInitial signs are not dramatic and present as enfeeblement, spasticity and slow development.An exaggerated stale response to sound may be the most significant early sign of which a parent is aware.Other features are mental retardation, deterioration of vision and early death.
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Biochemistry
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