______________ is a metabolic disorder in which an infant requires larger-than-normal amounts of vitamin B6 to avoid neurological symptoms.
a. Parkinson's disease
b. Tay-Sachs disease
c. Phenylketonuria
d. Pyridoxine dependency
e. Huntington's chorea
Question 2
If a pregnant woman has phenylketonuria
a. the mother must follow a strict diet to safeguard her own brain, but the fetus will be unaffected.
b. the mother must follow a strict diet for the brain development of herself and for the fetus.
c. the mother must follow a strict diet for the fetus to be unaffected, but eating phenylalanine will not likely affect her.
d. the pregnancy will not come to term.
e. neurofibrillary tangles that develop at about 4 years of age.
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