Multiple Choice
A 5-month-old infant is admitted with vomiting and eczema over the lower extremities.The mother states that the infant is not developing as fast as her other children.When a diagnosis of phenylketonuria (PKU) is made,the nurse should recognize which of the following as the basic underlying defect involved?
A) absence of the enzyme hexosaminidase component A
B) absence of surfactant
C) chromosomal abnormality involving pairs 21 to 23
D) deficiency of a liver enzyme that metabolizes phenylalanine
Correct Answer:
Verified
Correct Answer:
Verified
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