Which information would the nurse include when teaching a new mother about the difference between pathologic and physiologic jaundice?
Physiologic jaundice results in kernicterus.
Pathologic jaundice appears within 24 hours after birth.
Both are treated with exchange transfusions of maternal O-blood.
Physiologic jaundice requires transfer to the Neonatal Intensive Care Unit.
The Correct Answer is B
Choice A rationale
Kernicterus, which is brain damage caused by excessive unconjugated bilirubin deposits, is a severe complication primarily associated with pathologic jaundice, not physiologic jaundice. Physiologic jaundice is common and self-limiting because bilirubin levels usually peak below the critical thresholds needed to breach the blood-brain barrier.
Choice B rationale
Pathologic jaundice is defined by its early onset, appearing within the first 24 hours after birth, which is a key distinguishing feature. This rapid rise in bilirubin often indicates an underlying condition, such as hemolytic disease of the newborn, that requires urgent investigation and treatment to prevent complications.
Choice C rationale
Exchange transfusion is a severe intervention, occasionally used to treat critically high bilirubin levels associated with pathologic jaundice, especially in cases of Rh or ABO incompatibility. Physiologic jaundice is typically treated with non-invasive phototherapy and never requires such an aggressive procedure.
Choice D rationale
Physiologic jaundice is a benign, transient condition that affects most newborns and does not require transfer to the Neonatal Intensive Care Unit (NICU). Treatment, if needed, is usually simple phototherapy, which can often be managed on a regular maternity unit or even at home.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Incessant, high-pitched crying is a hallmark symptom of central nervous system (CNS) hyperirritability observed in infants with Neonatal Abstinence Syndrome (NAS). This persistent distress is due to the lack of the depressant drug effects in the newborn's system, leading to uncoordinated and exaggerated responses to stimuli. The infant's state is often difficult to soothe, contributing to parental stress and feeding difficulties.
Choice B rationale
Pharmacological treatment for significant opioid-related withdrawal (NAS) often involves the use of opioids, such as morphine or methadone, to manage severe symptoms, allowing the infant to be weaned gradually from the dependence. For withdrawal from other substances, such as selective serotonin reuptake inhibitors, supportive care is primarily used, while for alcohol, benzodiazepines might be used, reflecting substance-specific treatment strategies.
Choice C rationale
Clustering care minimizes external stimulation and provides periods of uninterrupted rest, which is essential for managing the CNS hyperirritability common in NAS. Furthermore, feeding difficulties are frequent due to poor suck-swallow coordination, tremors, and gastric issues, so dedicated, supportive feeding assistance is a crucial component of the nursing care plan.
Choice D rationale
Urine and meconium drug screening is absolutely indicated and is crucial for identifying the specific substances the infant was exposed to prenatally. This information is vital for diagnosis, determining the severity of withdrawal (using tools like the Finnegan score), guiding the appropriate pharmacological and non-pharmacological treatment plan, and initiating social services involvement. —.
Correct Answer is A
Explanation
Choice A rationale
Neonatal jaundice, or hyperbilirubinemia, is common and frequently results from a higher-than-normal red blood cell mass in the newborn and a shorter lifespan of these cells. This rapid breakdown releases excess unconjugated bilirubin, which the newborn's immature liver cannot process and excrete quickly enough, leading to its accumulation in the skin and sclera.
Choice B rationale
Although severe or prolonged jaundice can indicate a serious underlying disorder, such as liver failure or biliary atresia, most physiologic jaundice is a transient, normal occurrence due to liver immaturity, not a sign of immediate organ failure. Pathological jaundice requires a thorough investigation to rule out metabolic or liver pathology.
Choice C rationale
Adequate intake of breast milk or formula is crucial because it promotes gastrointestinal motility and the passage of meconium, which contains bilirubin. Delayed feeding can lead to increased enterohepatic recirculation of bilirubin, worsening jaundice, but the underlying cause is usually the rapid red blood cell breakdown, not solely a lack of feeding.
Choice D rationale
Jaundice caused by the newborn's immune system attacking red blood cells, known as hemolytic disease of the newborn (e.g., ABO or Rh incompatibility), is a type of pathological jaundice. While this does cause elevated bilirubin, it is not the explanation for the typical, common physiologic jaundice seen in most healthy newborns.
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