A nurse is assessing a preterm newborn (32 weeks gestation) in the NICU. Which assessment finding would be the priority concern requiring immediate intervention?

1 Blood glucose level of 35 mg/dL (1.9 mmol/L) ✓ 정답
2 Dry, peeling skin with minimal vernix caseosa
3 Meconium-stained fingernails and umbilical cord
4 Weight at the 25th percentile for gestational age

해설

Hypoglycemia (blood glucose

심화 해설

Core Nursing Explanation Key Concept Analysis: This question assesses the nurse's ability to prioritize immediate threats to life in a vulnerable Preterm newborn. The core theme is recognizing Hypoglycemia as a critical, potentially life-threatening condition that requires urgent intervention to prevent brain injury. Preterm infants are at high risk due to limited glycogen stores and immature glucose regulation. Answer Rationale: Key Point! A blood glucose level of 35 mg/dL (1.9 mmol/L) is hypoglycemic for a newborn. The American Academy of Pediatrics (AAP) defines hypoglycemia in the first 24 hours of life as a blood glucose level < 40 mg/dL (2.2 mmol/L). In a preterm infant, this low glucose level can rapidly lead to seizures, apnea, brain damage, and even death. It is the priority finding because it directly threatens neurological function and requires immediate action (e.g., feeding or IV dextrose). Distractor Analysis:
Watch out for confusion! Option ②, "Dry, peeling skin with minimal vernix caseosa," is a common finding in Post-term infants (gestation > 42 weeks), not preterm infants. It is not an immediate threat.
Option ③, "Meconium-stained fingernails and umbilical cord," indicates Meconium passage in utero, which is a risk factor for Meconium aspiration syndrome (MAS). However, the infant is already in the NICU and being assessed. While it requires monitoring for respiratory distress, the presence of staining alone, without active respiratory symptoms, is not the immediate priority over active hypoglycemia.
Option ④, "Weight at the 25th percentile for gestational age," describes an infant who is Appropriate for Gestational Age (AGA). This is a normal growth parameter and is not a concern requiring intervention. Related Concepts: This question integrates knowledge of newborn assessment, gestational age characteristics, and metabolic instability in preterm infants. The nursing priority follows the ABCs (Airway, Breathing, Circulation) framework, with metabolic stability (glucose, temperature) being a critical extension of "Circulation" in neonates.
Concept Summary

Concept	Description	Clinical Significance
Preterm Infant Hypoglycemia	Blood glucose < 40 mg/dL in first 24h. Due to low glycogen stores, immature liver function, high metabolic demand.	Medical emergency. Can cause seizures, brain injury. Requires immediate intervention (feeding, IV dextrose).
Post-term Infant Skin	Dry, peeling, cracked skin; minimal vernix; long nails. Due to prolonged gestation.	Characteristic finding, not an acute threat. Requires gentle skin care and monitoring for other post-maturity issues.
Meconium Staining	Greenish discoloration of nails, skin, umbilical cord. Indicates fetal distress and in-utero passage of meconium.	Risk factor for MAS. Priority is assessing and maintaining a patent airway at birth. In NICU, ongoing respiratory assessment is key.
Gestational Age Weight Classifications	AGA (10th-90th percentile), SGA (90th). The 25th percentile is within normal (AGA) range.	Used for growth assessment. SGA and LGA infants have specific risk profiles, but AGA is expected.

Side-by-Side Comparison!

Finding	Typical Gestational Age	Pathophysiology / Cause	Nursing Priority
Dry, peeling skin, no vernix	Post-term (>42 weeks)	Prolonged exposure to amniotic fluid, depletion of protective vernix.	Low. Provide gentle skin care, prevent infection.
Abundant vernix, lanugo, translucent skin	Preterm ( 40 mg/dL in the first 24-48 hours of life. Preterm vs. Post-term Skin: "Pre-term is Pretty slippery (vernix), Post-term is Peeling and dry." Priority Framework: Use ABCs + Glucose + Temperature for neonates. Hypoglycemia and hypothermia can kill a baby as quickly as airway problems. High-Frequency NCLEX Topics The NCLEX-RN frequently tests: Prioritization in newborn care (ABCs, metabolic emergencies). Normal vs. abnormal assessment findings based on gestational age. Lab value interpretation, especially critical values like hypoglycemia. Differentiating between findings that require immediate intervention vs. those that require ongoing monitoring or routine care. Watch Out for Question Variations! Shift from Symptom to Intervention: "The nurse notes a preterm infant's glucose is 30 mg/dL. What is the priority nursing action?" (Answer: Administer a feeding or dextrose per protocol). Shift from Preterm to Term Infant: The same glucose value in a jittery term infant would also be a priority, but the question might add confounding factors like maternal diabetes (infant at risk for hypoglycemia) or sepsis. Adding a Symptom: "A preterm infant with meconium staining is now tachypneic and grunting. What is the priority?" This would shift the priority to Airway and Breathing (suspected MAS) over the lab value. 임상 시나리오 Nursing Clinical Practice Guide Clinical Scenario: You are the nurse in a Level III NICU. Baby Girl Rodriguez, born at 32 weeks gestation, is 2 hours old. She is under a radiant warmer. Your routine admission assessment includes a heel stick blood glucose check. The point-of-care glucometer reads 32 mg/dL. The infant is currently asleep but arousable with gentle stimulation, with no obvious jitteriness or seizures. Nursing Intervention Strategy: Assessment: Immediately confirm the low glucose with a lab serum glucose test if possible, but do not delay intervention. Assess for subtle signs of hypoglycemia: lethargy, poor feeding, hypotonia, apnea, or jitteriness. Planning & Implementation: First-line: If the infant's condition is stable and she has a suck/swallow reflex, attempt to feed expressed breast milk or preterm formula. Recheck glucose 30 minutes after feeding. If unable to feed or glucose remains low: Prepare to administer IV dextrose per protocol. This involves: Ensuring IV access is patent. Administering a minibolus of D10W (e.g., 2 mL/kg) over 1-2 minutes. Starting a continuous IV infusion of D10W at a maintenance rate (e.g., 80 mL/kg/day). Document the finding, interventions, and the infant's response meticulously. Evaluation: Recheck blood glucose per unit protocol (e.g., in 30 min, then hourly until stable). Monitor for signs of improving neurological status and for complications of treatment (e.g., hyperglycemia, infiltration at IV site). Patient Safety and Precautions: Never ignore a low glucose reading in a preterm infant, even if the baby looks "fine." Neurologic damage can occur without overt symptoms. Medication Safety: Use an infusion pump for all dextrose solutions. Double-check the concentration (D10W is standard for neonates; higher concentrations can cause phlebitis). Avoid rapid boluses to prevent rebound hypoglycemia from hyperinsulinemic response. Thermoregulation: Keep the infant warm during procedures (heel sticks, IV starts) to minimize cold stress, which increases glucose consumption. Nursing Procedure & Medication Flow Procedure: Managing Newborn Hypoglycemia 1. Assess: Check glucose per protocol (often at 1, 2, 4, and 8 hours of life in at-risk infants). 2. Act: For glucose < 40 mg/dL: - If asymptomatic & can feed → Feed (oral). - If symptomatic OR glucose remains low after feed → Prepare IV dextrose. 3. Administer IV Dextrose: - Concentration: D10W. - Bolus: 2-4 mL/kg IV push over 1-2 min. - Maintenance: Start at 4-8 mg/kg/min (which correlates to ~80 mL/kg/day of D10W). Calculate drip rate carefully. 4. Reassess: Recheck glucose in 30 min. Titrate infusion to maintain glucose > 45 mg/dL. 5. Wean: As enteral feeds are established and tolerated, gradually wean the IV dextrose while monitoring glucose levels. A Word from Your Senior Nurse "In the NICU, we often say we are 'glucose guardians.' That tiny number on the glucometer tells a huge story about that baby's energy reserves and brain safety. Your vigilance in catching and treating hypoglycemia early is a direct act of neuroprotection. On the NCLEX, they are testing this exact clinical judgment: can you spot the silent killer among a list of findings? Remember, stable vitals don't always mean stable metabolism. Always think ABCs + Glucose + Temp for your littlest patients. This mindset saves brains and lives." 핵심 개념 Hypoglycemia — Blood glucose level below the normal range for age. In newborns, often defined as < 40 mg/dL in the first 24 hours. A medical emergency due to risk of brain injury. Preterm Infant — An infant born before 37 completed weeks of gestation. Characterized by organ system immaturity, placing them at high risk for complications like hypoglycemia, respiratory distress, and thermoregulation issues. Vernix Caseosa — A white, cheesy, protective coating on the skin of a fetus and newborn. Abundant in preterm infants, minimal or absent in post-term infants. Meconium Aspiration Syndrome — A respiratory distress syndrome in a newborn caused by inhalation of meconium (first stool) into the lungs before or during birth. Meconium staining is a key risk factor. Appropriate for Gestational Age — A newborn whose birth weight falls between the 10th and 90th percentiles for their gestational age. A weight at the 25th percentile is within this normal range. 마이메르시로 국가고시 완벽 대비 기출문제와 상세 해설을 무료로. 내 약점을 분석하고 진도를 관리하며 더 똑똑하게 공부하세요. 무료로 시작하기 App Store Google Play 학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요. 같은 주제 문제 A nurse is caring for a postterm newborn who is 42 weeks gestation. Which nursing interven… A nurse is caring for a postterm newborn (41 weeks gestation) who was born 4 hours ago and… A nurse is assessing a postterm newborn who was born at 42 weeks gestation. Which assessme… A nurse is assessing a postterm newborn who was born at 42 weeks gestation. Which assessme…

Finding

Typical Gestational Age

Pathophysiology / Cause

Nursing Priority

Dry, peeling skin, no vernix

Post-term (>42 weeks)

Prolonged exposure to amniotic fluid, depletion of protective vernix.

Low. Provide gentle skin care, prevent infection.

Abundant vernix, lanugo, translucent skin

Preterm ( 40 mg/dL in the first 24-48 hours of life.

Preterm vs. Post-term Skin: "Pre-term is Pretty slippery (vernix), Post-term is Peeling and dry."

Priority Framework: Use ABCs + Glucose + Temperature for neonates. Hypoglycemia and hypothermia can kill a baby as quickly as airway problems.

High-Frequency NCLEX Topics The NCLEX-RN frequently tests:

Prioritization in newborn care (ABCs, metabolic emergencies).
Normal vs. abnormal assessment findings based on gestational age.
Lab value interpretation, especially critical values like hypoglycemia.
Differentiating between findings that require immediate intervention vs. those that require ongoing monitoring or routine care.

Watch Out for Question Variations!

Shift from Symptom to Intervention: "The nurse notes a preterm infant's glucose is 30 mg/dL. What is the priority nursing action?" (Answer: Administer a feeding or dextrose per protocol).
Shift from Preterm to Term Infant: The same glucose value in a jittery term infant would also be a priority, but the question might add confounding factors like maternal diabetes (infant at risk for hypoglycemia) or sepsis.
Adding a Symptom: "A preterm infant with meconium staining is now tachypneic and grunting. What is the priority?" This would shift the priority to Airway and Breathing (suspected MAS) over the lab value.

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse in a Level III NICU. Baby Girl Rodriguez, born at 32 weeks gestation, is 2 hours old. She is under a radiant warmer. Your routine admission assessment includes a heel stick blood glucose check. The point-of-care glucometer reads 32 mg/dL. The infant is currently asleep but arousable with gentle stimulation, with no obvious jitteriness or seizures. Nursing Intervention Strategy:

Assessment: Immediately confirm the low glucose with a lab serum glucose test if possible, but do not delay intervention. Assess for subtle signs of hypoglycemia: lethargy, poor feeding, hypotonia, apnea, or jitteriness.
Planning & Implementation:
- First-line: If the infant's condition is stable and she has a suck/swallow reflex, attempt to feed expressed breast milk or preterm formula. Recheck glucose 30 minutes after feeding.
- If unable to feed or glucose remains low: Prepare to administer IV dextrose per protocol. This involves:
  - Ensuring IV access is patent.
  - Administering a minibolus of D10W (e.g., 2 mL/kg) over 1-2 minutes.
  - Starting a continuous IV infusion of D10W at a maintenance rate (e.g., 80 mL/kg/day).
- Document the finding, interventions, and the infant's response meticulously.
Evaluation: Recheck blood glucose per unit protocol (e.g., in 30 min, then hourly until stable). Monitor for signs of improving neurological status and for complications of treatment (e.g., hyperglycemia, infiltration at IV site).

Patient Safety and Precautions:

Never ignore a low glucose reading in a preterm infant, even if the baby looks "fine." Neurologic damage can occur without overt symptoms.
Medication Safety: Use an infusion pump for all dextrose solutions. Double-check the concentration (D10W is standard for neonates; higher concentrations can cause phlebitis). Avoid rapid boluses to prevent rebound hypoglycemia from hyperinsulinemic response.
Thermoregulation: Keep the infant warm during procedures (heel sticks, IV starts) to minimize cold stress, which increases glucose consumption.

Nursing Procedure & Medication Flow Procedure: Managing Newborn Hypoglycemia 1. Assess: Check glucose per protocol (often at 1, 2, 4, and 8 hours of life in at-risk infants). 2. Act: For glucose < 40 mg/dL: - If asymptomatic & can feed → Feed (oral). - If symptomatic OR glucose remains low after feed → Prepare IV dextrose. 3. Administer IV Dextrose: - Concentration: D10W. - Bolus: 2-4 mL/kg IV push over 1-2 min. - Maintenance: Start at 4-8 mg/kg/min (which correlates to ~80 mL/kg/day of D10W). Calculate drip rate carefully. 4. Reassess: Recheck glucose in 30 min. Titrate infusion to maintain glucose > 45 mg/dL. 5. Wean: As enteral feeds are established and tolerated, gradually wean the IV dextrose while monitoring glucose levels.
A Word from Your Senior Nurse "In the NICU, we often say we are 'glucose guardians.' That tiny number on the glucometer tells a huge story about that baby's energy reserves and brain safety. Your vigilance in catching and treating hypoglycemia early is a direct act of neuroprotection. On the NCLEX, they are testing this exact clinical judgment: can you spot the silent killer among a list of findings? Remember, stable vitals don't always mean stable metabolism. Always think ABCs + Glucose + Temp for your littlest patients. This mindset saves brains and lives."

핵심 개념

Hypoglycemia — Blood glucose level below the normal range for age. In newborns, often defined as < 40 mg/dL in the first 24 hours. A medical emergency due to risk of brain injury.
Preterm Infant — An infant born before 37 completed weeks of gestation. Characterized by organ system immaturity, placing them at high risk for complications like hypoglycemia, respiratory distress, and thermoregulation issues.
Vernix Caseosa — A white, cheesy, protective coating on the skin of a fetus and newborn. Abundant in preterm infants, minimal or absent in post-term infants.
Meconium Aspiration Syndrome — A respiratory distress syndrome in a newborn caused by inhalation of meconium (first stool) into the lungs before or during birth. Meconium staining is a key risk factor.
Appropriate for Gestational Age — A newborn whose birth weight falls between the 10th and 90th percentiles for their gestational age. A weight at the 25th percentile is within this normal range.

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성장을 멈추지 마세요

A nurse is assessing a preterm newborn (32 weeks gestation) in the NICU. Which assessment finding would be the priority concern requiring immediate intervention?

심화 해설

임상 시나리오

핵심 개념

마이메르시로 국가고시 완벽 대비