An Individual Develops Intellectual Disability Due to a Disorder Called

question 45

Multiple Choice

An individual develops intellectual disability due to a disorder called phenylketonuria (PKU) . Which of the following is most likely to have occurred to cause intellectual disability?

• A) The replacement of myelin by hard fibrous tissue in the individual's neurons
• B) The inhibition of normal myelin development in the individual's brain
• C) The destruction of neurons in the individual's brain due to the transfer of myelin to the soma
• D) Myelination of the prefrontal matter of the individual's brain

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