With Regard to Laboratory Tests and Diagnostic Tests in the Hospital

With regard to laboratory tests and diagnostic tests in the hospital after birth,nurses should be aware that:

A) All states test for phenylketonuria (PKU) ,hypothyroidism,cystic fibrosis,and sickle cell diseases.
B) Federal law prohibits newborn genetic testing without parental consent.
C) If genetic screening is done before the infant is 24 hours old,it should be repeated at age 1 to 2 weeks.
D) Hearing screening is now mandated by federal law.