Question
Which of the following statements regarding developmental history is incorrect:
| A. |
Isolated motor delay could indicate rickets
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| B. |
Isolated language delay could indicate sensory neural hearing defects
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| C. |
Isolated delay in social milestones could indicate an autism spectrum disorder
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| D. |
Global developmental delay is defined when all the four domains of development are delayed
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Show Answer
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Correct Answer � D
Explanation
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Ans. D. Global developmental delay is defined when all the four domains of development are delayed
Explanation: Global developmental delay (GDD) is when two or more domains of development appear to be affected. Congenital hypothyroidism, cerebral palsy, downs syndrome, and many metabolic disorders cause GDD.
GDD must be differentiated from neuroregression which is losing milestones that were achieved in the beginning. Neurodegenerative diseases like leukodystrophies, spinocerebellar ataxia, ataxia telangiectasia and SSPE present with such a history.
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