Screening for Critical Congenital Heart Disease (CCHD)was Added to the Uniform

Screening for critical congenital heart disease (CCHD) was added to the uniform screening panel in 2011.The nurse has explained this testing to the new mother.Which action by the nurse related to this test is correct?

A) Screening is performed when the infant is 12 hours of age.
B) Testing is performed with an electrocardiogram.
C) Oxygen (O₂) is measured in both hands and in the right foot.
D) A passing result is an O₂ saturation of $\geq$ 95%.