Which is the most common etiology for pathological jaundice in an infant?

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Assessment and Management of Newborn Complications Quizlet Questions

Question 1 of 5

Which is the most common etiology for pathological jaundice in an infant?

Correct Answer: A

Rationale: The correct answer is A: ABO incompatibility. This is the most common etiology for pathological jaundice in an infant because it occurs when the baby's blood type is incompatible with the mother's, leading to the destruction of the baby's red blood cells and subsequent release of bilirubin, causing jaundice. Physiological jaundice (B) is common but typically resolves on its own without treatment. Inherited pathologies (C) such as genetic conditions may cause jaundice, but they are less common than ABO incompatibility. Birth trauma (D) can lead to jaundice in rare cases, but it is not the most common etiology.

Question 2 of 5

Which infant is at greatest risk for developing hypoglycemia after birth?

Correct Answer: A

Rationale: The correct answer is A: Severe small for gestational age (SGA) infant, as they have limited glycogen stores and are at higher risk for hypoglycemia. SGA infants often have poor growth in utero, leading to decreased nutrient reserves. This puts them at increased risk for low blood sugar levels after birth. Incorrect choices: B: Appropriate for gestational age infants typically have adequate glycogen stores and are at lower risk for hypoglycemia. C: Infants of diabetic mothers with good maternal glucose control are less likely to have hypoglycemia due to stable blood sugar levels in utero. D: Cold-stressed term infants may have transient hypoglycemia, but they are not at the greatest risk compared to severe SGA infants.

Question 3 of 5

The nurse in NICU is assessing a neonate delivered at 32 weeks gestation. Which pathophysiological manifestation is the nurse’s greatest concern?

Correct Answer: C

Rationale: The correct answer is C: Apnea 20 seconds or longer. In a neonate delivered at 32 weeks gestation, apnea lasting 20 seconds or longer is the greatest concern as it indicates immature respiratory control and potential for respiratory distress or failure. Absent or weak reflexes (A) may be common in premature infants but are not as critical as respiratory issues. A heart murmur (B) may be present due to structural heart defects, but apnea poses a more immediate threat. Low hemoglobin (D) may indicate anemia, which can be managed with appropriate interventions, unlike compromised respiratory function.

Question 4 of 5

The nurse is providing care for a premature neonate in the NICU nursery. The neonate is diagnosed with bronchopulmonary dysplasia (BPD) and patent ductus arteriosus (PDA). Which specific intervention does the nurse expect for this neonate?

Correct Answer: C

Rationale: The correct answer is C: Maintain fluid restrictions. For a neonate with BPD and PDA, fluid restrictions are essential to prevent fluid overload and worsening of the conditions. Excessive fluid can exacerbate pulmonary edema in BPD and increase cardiac workload in PDA. Monitoring hemoglobin and hematocrit levels (A) is important but not specific to these conditions. Obtaining blood glucose levels (B) is important for monitoring overall health but not specific to BPD and PDA. Administering enteral feedings (D) may be necessary but does not directly address the primary concern of fluid management in these conditions.

Question 5 of 5

The NICU nurse encourages the mother of a premature neonate to bring breast milk to the unit for enteral feedings to her baby. For which reason does the nurse make this suggestion?

Correct Answer: D

Rationale: The correct answer is D because breast milk helps prevent necrotizing enterocolitis (NEC) in premature neonates. Breast milk contains protective factors that reduce the risk of NEC, a serious gastrointestinal condition common in preterm infants. Other choices are incorrect: A is not directly related to feeding breast milk, B focuses on emotional involvement rather than physiological benefits, and C does not address the specific health benefits of breast milk in preventing NEC.

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