PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The reason a fetus afflicted with PKU is not affected until after birth is that ____
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the child is not bruised or cut during development
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prior to birth the enzyme level of the mother prevents accumulation of the dangerous chemical
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the missing chromosome is compensated for by the mother
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because the fetus does not breathe, the accumulation of mucus in the lungs is not dangerous
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Explanation:
Detailed explanation-1: -Untreated PKU during pregnancy (maternal PKU) results in poor offspring outcomes, including low birth weight, microcephaly, congenital heart defects and developmental disability [7, 8].
Detailed explanation-2: -Babies born to mothers who have PKU and are not following a low-phenylalanine diet have a significant risk of intellectual disability because they are exposed to very high levels of phenylalanine before birth.
There is 1 question to complete.