The nurse is teaching student nurses about newborn screening. Which statement made by the student indicates understanding of the teaching?
a. "The newborn screening is not mandatory but voluntary."
b. "It is acceptable to ‘layer' the blood on the Guthrie paper."
c. "The initial specimen should be collected as close to discharge as possible."
d. "It is best to collect the specimen before the newborn takes the first feeding."
ANS: C
Because of early discharge of newborns, recommendations for screening include collecting the initial specimen as close as possible to discharge. Newborn screening tests are mandatory in all 50 U.S. states. When collecting the specimen, avoid "layering" the blood specimen on the special Guthrie paper. Layering is placing one drop of blood on top of the other or overlapping the specimen. Best results are obtained by collecting the specimen with a pipette from the heel stick and spreading the blood uniformly over the blot paper. The screening test is most reliable if the blood sample is taken after the infant has ingested a source of protein.
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