BONUS +2 Carbon-12 is stable, meaning it never undergoes rad…
BONUS +2 Carbon-12 is stable, meaning it never undergoes radioactive decay. Carbon-14 is unstable and undergoes radioactive decay with a half-life of about 5,730 years (meaning that half of the material will be gone after 5,730 years). This decay means the amount of carbon-14 in an object serves as a clock, showing the object’s age in a process called “carbon dating.” This is all because of….?
Read DetailsA 1 month old presents for a well child visit. He is nursing…
A 1 month old presents for a well child visit. He is nursing every 2-4 hours and voiding normally, but is only stooling firm pellets every 5-7 days. On exam, he has macroglossia, hypotonia, and visible jaundice. You order testing for:
Read DetailsA 37 week infant is in the NICU. She received treatment for…
A 37 week infant is in the NICU. She received treatment for congenital pneumonia. Her blood type is O positive, DAT negative and the maternal blood type is O negative, antibody screen negative. She reached goal feeds by day 5. She begins breastfeeding by day 7 and by day 14 she is breastfeeding all feedings, voiding and stooling normally, is back to birthweight, and maintaining her temperature in a crib. She initially received phototherapy for jaundice. Phototherapy was discontinued on day 8 and her bilirubin continued to drop off of phototherapy. As you examine her on day 14, you notice that she appears much more jaundiced. You obtain a bilirubin level – total 16 mg/dL total, direct 0.4 mg/dL. What is the cause of her hyperbilirubinemia and how will you treat it?
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