A nurse is caring for a newborn who is experiencing hyperbilirubinemia and is receiving phototherapy. Which of the following findings indicate that the phototherapy is effective?
Blood glucose level will increase.
Transcutaneous bilirubin (TcB) level decreases.
Skin color changes from yellow to normal.
Weight gain is observed.
The Correct Answer is B
Choice A rationale
Blood glucose level changes are unrelated to hyperbilirubinemia and phototherapy, which specifically target bilirubin metabolism in the newborn's liver and skin.
Choice B rationale
A decrease in transcutaneous bilirubin (TcB) levels shows effective phototherapy, as it converts bilirubin into water-soluble isomers that can be excreted.
Choice C rationale
Skin color changes from yellow to normal indicate reduced bilirubin levels, but the most accurate measure of phototherapy efficacy is the decrease in TcB levels.
Choice D rationale
Weight gain is not an indicator of effective phototherapy; it reflects overall nutrition and hydration status rather than bilirubin metabolism and excretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Not all STIs are transmitted during delivery. For example, infections like trichomoniasis are not typically transmitted during birth, whereas others like herpes simplex virus can be.
Choice B rationale
Some STIs, such as herpes and HIV, can be transmitted during vaginal delivery, posing a risk to the newborn. Preventative measures, including antiviral treatment, can reduce this risk.
Choice C rationale
A cesarean section is not always required to prevent STI transmission. It is recommended in cases of active genital herpes or uncontrolled HIV to reduce transmission risk.
Choice D rationale
Some STIs, such as HIV, can be transmitted through breastfeeding. It is important to follow medical guidelines to prevent postnatal transmission via breast milk.
Correct Answer is B
Explanation
Choice A rationale
Postmaturity syndrome occurs in pregnancies that extend beyond 42 weeks, not in cases of premature labor.
Choice B rationale
Premature labor can increase the risk of neonatal infections due to the underdeveloped immune system of preterm infants.
Choice C rationale
Macrosomia refers to a large newborn, typically associated with prolonged pregnancies, not premature labor.
Choice D rationale
Maternal hypertension can lead to premature labor, but premature labor does not increase the risk of developing maternal hypertension.
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