Newborn genetic screening for PKU

Question

Quizplus · Accepted Answer

Newborn genetic screening for PKU should be done during the second or third day of an infant's life in order to detect the disorder early and prevent mental retardation. Option A is incorrect because while genetic screening can be costly, it is typically covered by insurance and considered a standard part of newborn screening. Option B is incorrect because urine screening for PKU is not as accurate as blood screening. Option C is incorrect because early detection and treatment through newborn screening has greatly reduced the incidence of mental retardation due to PKU. Option E is incorrect because bacterial growth is not typically used in genetic screening for PKU.

Newborn Genetic Screening for PKU