When performing the daily head-to-toe assessment of a 1-day-old newborn, the nurse observes a yellow tint to the skin on the forehead, sternum, and abdomen.
Which action should the nurse take?
Measure bilirubin levels using transcutaneous bilirubinometry.
Evaluate cord blood Coomb's test results.
Review maternal medical records for blood type and Rh factor.
Prepare the newborn for phototherapy.
The Correct Answer is A
Choice A rationale
Transcutaneous bilirubinometry is a noninvasive, rapid, and accurate method for estimating serum bilirubin levels in newborns. A yellow tint to the skin, or jaundice, is a sign of hyperbilirubinemia, which can lead to kernicterus if not treated. The device measures the reflection of light through the skin to determine bilirubin concentration.
Choice B rationale
A positive direct Coombs test on cord blood indicates the presence of maternal antibodies bound to fetal red blood cells, which can cause hemolysis and hyperbilirubinemia. However, the direct Coombs test is typically evaluated when there is a known risk, such as Rh or ABO incompatibility, or when the bilirubin level is already significantly elevated.
Choice C rationale
Reviewing maternal medical records for blood type and Rh factor is an essential component of a complete newborn assessment. However, it is not the most immediate action when clinical jaundice is already observed. The priority is to quantify the level of bilirubin to determine the severity and the need for intervention.
Choice D rationale
Phototherapy is a treatment for hyperbilirubinemia, not a diagnostic tool. The decision to initiate phototherapy is based on the newborn's bilirubin levels, age, and risk factors. Starting treatment without confirming the severity of the jaundice could be premature and unnecessary.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
While supervised competition can be beneficial, it may also lead to feelings of inadequacy or failure if the child does not perform well, especially in a child with prolonged illness. This could negatively impact the child's developing sense of industry versus inferiority. The focus should be on building confidence through personal mastery rather than comparison with others.
Choice B rationale
Setting goals beyond a child's abilities can be counterproductive and lead to frustration and a sense of failure. According to Erikson's stage of industry versus inferiority, children at this age need to experience success and accomplishment to build a positive self-concept and a sense of competence. Unattainable goals can foster a feeling of inferiority.
Choice C rationale
Erikson's stage of industry versus inferiority, characteristic of school-age children, focuses on developing a sense of competence and mastery. Engaging the child in achievable tasks that result in a tangible sense of accomplishment, such as completing a puzzle or a small craft project, reinforces their ability to produce and succeed, thereby promoting their sense of industry.
Choice D rationale
Targeting a child's areas of weakness can lead to feelings of inadequacy and inferiority, especially in a child who has experienced setbacks from a prolonged illness. The focus should be on building upon existing strengths and fostering a sense of accomplishment in tasks where the child can succeed, thereby building self-esteem and a sense of industry.
Correct Answer is C
Explanation
Choice A rationale
Zidovudine is a nucleoside reverse transcriptase inhibitor (NRTI). It works by inhibiting the enzyme reverse transcriptase, which is crucial for the replication of retroviruses like HIV. It does not possess any antifungal properties. Fungal infections, such as candidiasis, are often treated with antifungal agents like fluconazole, not antiretroviral drugs.
Choice B rationale
Chorioamnionitis is an intrauterine infection of the chorion and amnion, typically caused by ascending bacteria. It is treated with broad-spectrum antibiotics to address the bacterial etiology. Zidovudine is an antiviral medication specifically targeting the replication of HIV and is ineffective against bacterial infections.
Choice C rationale
Zidovudine works by inhibiting reverse transcriptase, thereby preventing the viral RNA of HIV from being converted into DNA. This mechanism significantly reduces the viral load in the mother and the risk of transplacental transmission to the fetus. This strategy is a cornerstone of preventing perinatal HIV transmission.
Choice D rationale
While zidovudine is a component of highly active antiretroviral therapy (HAART) for managing HIV infection in adults, its primary purpose in the context of labor and delivery is to prevent vertical transmission to the newborn. The treatment regimen for the mother's own HIV complications is a separate, long-term protocol.
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