42) How should a phlebotomist instruct a female patient to collect a urine specimen for culture testing? Show A. Do not touch the inside container, clean the urinary meatus from back to front, being voiding in toilet, and collect the specimen 45) Which of the following orders of draw should a phlebotomist use for venipuncture collection? A. Sodium citrate, sodium heparin, SST, EDTA How is the PKU test performed?How are newborns tested for PKU? Health care providers conduct a PKU screening test using a few drops of blood from a newborn's heel. The blood sample, which can be used to screen for other conditions as well, is tested in a laboratory to determine if it has too much phenylalanine in it.
What is the test used to detect phenylketonuria?The Guthrie test, also called the PKU test, is a diagnostic tool to test infants for phenylketonuria a few days after birth. To administer the Guthrie test, doctors use Guthrie cards to collect capillary blood from an infant's heel, and the cards are saved for later testing.
What is the best site for specimen collection for newborn screening?Blood collection from the heel is the standard for newborn screening. The medial and lateral parts of the underfoot are preferred. Blood should never be collected from: the arch of the foot.
Which is the right way to handle specimens for filter paper newborn screening tests?Do not touch or handle the filter paper before or after applying the blood. 2. Lightly touch the filter paper against a large drop of blood and allow a sufficient quantity of blood to soak through to completely fill the circle. Apply blood to one side of the filter paper only, allowing full saturation of each circle.
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When performing a test for PKU the specimen should be processed using which of the following
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