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Exam Review

Key Facts: RNC-LRN Exam

175

Exam Questions

NCC

Pass/Fail

Passing Standard

Criterion-referenced

3 hrs

Exam Duration

NCC

$325

Exam Fee

NCC

45%

General Management

Largest section

3 years

Certification Validity

NCC

The RNC-LRN exam has 175 questions (150 scored plus 25 unscored pretest items) in 3 hours with a criterion-referenced passing standard. The four content domains are: General Assessment (14%), Assessment and Management of Pathophysiologic Conditions (39%), General Management (43%), and Professional Issues (4%). Requires an RN license, 24 months of specialty experience totalling at least 2,000 hours, and employment in the specialty within the last 24 months. Certification maintenance runs on a 3-year cycle. Exam fee is $325.

Sample RNC-LRN Practice Questions

Try these sample questions to review concepts for the RNC-LRN exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 296+ question experience with AI tutoring.

1A newborn is delivered at 38 weeks gestation. The mother has a history of type 1 diabetes with poor glycemic control during pregnancy. Which newborn complication is most likely?
A.Polycythemia
B.Hypoglycemia
C.Jaundice
D.Anemia
Explanation: Infants of diabetic mothers are at high risk for hypoglycemia due to hyperinsulinemia. Maternal hyperglycemia causes fetal hyperglycemia, which stimulates fetal insulin production. After delivery, the glucose supply is abruptly cut off, but insulin levels remain high, causing hypoglycemia. Blood glucose should be monitored closely in these infants.
2A mother with a first-episode primary genital herpes simplex virus (HSV) infection has active lesions and delivers vaginally. What is the most appropriate management of the asymptomatic newborn?
A.Provide routine newborn care with standard precautions only
B.Send HSV surface cultures at 24 hours and start IV acyclovir
C.Administer HSV-specific immune globulin within 12 hours of birth
D.Isolate the infant from the mother and feed expressed formula only
Explanation: With a first-episode primary maternal genital HSV infection at the time of vaginal delivery, the risk of neonatal HSV is roughly 25% to 60%. The AAP algorithm directs surface specimens from the conjunctivae, mouth, nasopharynx and rectum plus blood HSV PCR at about 24 hours of age, with parenteral acyclovir started while results are pending. Recurrent maternal HSV carries roughly a 2% transmission risk and is managed with testing first, treating only if results are positive or the infant becomes symptomatic.
3A newborn is assessed using the New Ballard Score. Which finding indicates a post-term infant (42+ weeks)?
A.Lanugo covering the entire back
B.Leathery, cracked, and wrinkled skin
C.Ear cartilage that springs back slowly
D.Breast tissue measuring 5mm in diameter
Explanation: The New Ballard Score assesses neuromuscular and physical maturity. Post-term infants (42+ weeks) typically show signs of placental insufficiency including leathery, cracked, and wrinkled skin due to loss of subcutaneous fat and vernix. Preterm infants have more lanugo, less breast tissue, and slower ear recoil.
4Using the New Ballard Score, a newborn has a popliteal angle of 180 degrees (score -1), and the scarf sign and heel-to-ear maneuver also score -1. Which gestational age do these neuromuscular findings suggest?
A.Less than 26 weeks
B.28-30 weeks
C.36-38 weeks
D.40 weeks or more (full term)
Explanation: The New Ballard Score added a score of -1 to four neuromuscular items specifically to capture extreme prematurity. A popliteal angle of 180 degrees means the knee extends completely with no flexor resistance, which scores -1; the same score on scarf sign and heel-to-ear carries the same meaning. Total maturity scores in the -10 to -5 range map to roughly 20 to 22 weeks. A mature infant resists extension, giving a popliteal angle near 90 degrees and a score of 4 or 5.
5During a newborn assessment, the nurse notes a systolic murmur at the left lower sternal border that is louder when the infant is crying. The infant is pink with normal vital signs. What is the most likely cause?
A.Ventricular septal defect
B.Patent ductus arteriosus
C.Innocent/physiologic murmur
D.Tetralogy of Fallot
Explanation: Innocent (physiologic) murmurs are common in newborns, heard at the left lower sternal border, and often louder with increased cardiac output such as during crying. The benign presentation (pink, normal vitals) supports this. Pathologic murmurs like VSD or PDA typically have other associated findings.
6A nurse is assessing a 4-hour-old newborn and notes a soft, cystic swelling over the right parietal-occipital area that crosses the suture line. What is this finding called?
A.Cephalohematoma
B.Caput succedaneum
C.Subgaleal hemorrhage
D.Skull fracture
Explanation: Caput succedaneum is edema of the scalp soft tissues caused by pressure during delivery. It is soft, pitting, and crosses suture lines. Cephalohematoma is a subperiosteal collection that does NOT cross suture lines and feels more firm. Subgaleal hemorrhage is potentially life-threatening and involves a larger area.
7A nurse is performing the Neonatal Behavioral Assessment Scale (NBAS) on a 3-day-old infant. Which reflex, if absent, would be most concerning for neurologic integrity?
A.Moro reflex
B.Tonic neck reflex
C.Palmar grasp reflex
D.Sucking reflex
Explanation: The Moro reflex is a primitive reflex that should be present at birth. Absence or asymmetry of the Moro reflex may indicate neurologic injury, brachial plexus injury, or other significant pathology. While other reflexes are important, the Moro reflex assesses integration of multiple neural pathways and is a key indicator of central nervous system integrity.
8A term newborn has a venous hematocrit of 68% at 2 hours of age. The infant is plethoric but feeds well, with normal respiratory effort, normal tone and no neurologic signs. What is the priority nursing intervention?
A.Initiate phototherapy for jaundice
B.Monitor for hypoglycemia and provide IV fluids
C.Prepare for partial exchange transfusion
D.Administer supplemental oxygen and obtain chest x-ray
Explanation: A venous hematocrit above 65% defines neonatal polycythemia; the normal term venous value is roughly 45% to 65%. Hyperviscosity increases glucose consumption, so glucose monitoring and adequate hydration are the first priorities in an asymptomatic infant, along with watching for jaundice. Partial exchange transfusion is reserved for infants with significant symptoms or a hematocrit above roughly 70% to 75%.
9A premature infant born at 32 weeks develops grunting, nasal flaring, and retractions at 2 hours of age. Chest x-ray shows a "ground glass" appearance with air bronchograms. What is the most likely diagnosis?
A.Transient tachypnea of the newborn
B.Respiratory distress syndrome (RDS)
C.Neonatal pneumonia
D.Meconium aspiration syndrome
Explanation: Respiratory distress syndrome (RDS), also called hyaline membrane disease, is caused by surfactant deficiency. Classic presentation includes grunting, nasal flaring, retractions, and tachypnea in premature infants. The chest x-ray shows a characteristic "ground glass" appearance with air bronchograms due to atelectasis.
10A term infant delivered by cesarean section develops tachypnea (RR 80) shortly after birth. The infant is pink with mild retractions. Chest x-ray shows fluid in the fissures and prominent perihilar markings. What is the most appropriate management?
A.Immediate intubation and surfactant administration
B.Supplemental oxygen and supportive care
C.Antibiotic therapy for presumed pneumonia
D.Chest tube placement for pneumothorax
Explanation: Transient tachypnea of the newborn (TTN) is caused by delayed clearance of fetal lung fluid, commonly seen after cesarean delivery. Chest x-ray shows fluid in fissures and prominent perihilar vascular markings. Treatment is supportive with supplemental oxygen as needed. The condition typically resolves within 24-72 hours.

About the RNC-LRN Exam

The RNC-LRN (Low Risk Neonatal Nursing Certification) validates expertise in providing care for healthy, at-risk, and convalescing neonates in level II, chronic care, special care, and step-down units. The exam covers general assessment, pathophysiologic conditions, general management, and professional issues related to neonatal nursing practice.

Exam sponsor: NCC (National Certification Corporation). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

175 questions

Time Limit

3 hours

Passing Score

Pass/Fail (Criterion-referenced)

Exam / Certification Fees

$325

Exam sponsor website

Reported exam pass rate: 54% (2025). NCC published exam statistics: 54% passed in 2025 (201 tested), 67% in 2024 (377 tested) This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

43%

General Management

Resuscitation and stabilization, nutrition and feeding, pharmacology, fluid and electrolyte management, oxygenation and ventilation, thermoregulation, neurodevelopmental care, infection control, psychosocial support, pain management, and discharge planning

39%

Assessment and Management of Pathophysiologic Conditions

Cardiovascular disorders, respiratory conditions, neurologic conditions, GI/GU disorders, musculoskeletal and integumentary conditions, genetic/metabolic/endocrine disorders, and hematologic conditions

14%

General Assessment

Maternal risk factors, birth history, physical assessment, gestational age assessment, neurobehavioral assessment, laboratory data interpretation, and family history evaluation

4%

Professional Issues

Ethics, legal issues, patient safety, quality improvement, evidence-based practice, and professional standards in neonatal nursing

Preparing for the RNC-LRN Exam

What You Need to Know

  • Passing score: Pass/Fail (Criterion-referenced)
  • Exam length: 175 questions
  • Time limit: 3 hours
  • Exam / certification fees: $325 Official sources

Using Our Practice Resources

  • Work through all 296 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

RNC-LRN: Suggested Study Strategy

1Master General Management (45%) — resuscitation, feeding, thermoregulation, and neurodevelopmental care
2Study respiratory conditions — RDS, TTN, meconium aspiration, and PPHN pathophysiology and management
3Know cardiovascular assessment — murmurs, ductal-dependent lesions, and CHD presentation in newborns
4Understand thermoregulation — neutral thermal environment, brown fat metabolism, and rewarming protocols
5Review pharmacology — common neonatal medications, dosing considerations, and side effects
6Learn developmental care — positioning, clustering care, minimizing stress, and family-centered care

Frequently Asked Questions

What is the RNC-LRN certification?

RNC-LRN (Low Risk Neonatal Nursing Certification) is a specialty certification from NCC for registered nurses who care for healthy, at-risk, and convalescing neonates in Level I, Level II, and transitional nurseries. It validates expertise in neonatal assessment, pathophysiology, and general management.

How many questions are on the RNC-LRN exam?

The RNC-LRN exam has 175 multiple-choice questions with a 3-hour time limit. The exam uses criterion-referenced scoring, meaning the passing standard is based on the difficulty of the questions rather than a fixed percentage. Approximately 150 questions are scored.

What are the prerequisites for the RNC-LRN exam?

You need an active, unrestricted RN license in the US or Canada, and at least 2,000 hours of neonatal nursing experience (including direct patient care, education, research, or administration) within the last 2 years.

What is the most heavily tested topic on the RNC-LRN exam?

General Management accounts for 45% of the exam — the largest content area. This includes resuscitation and stabilization, nutrition and feeding, pharmacology, fluid/electrolyte management, oxygenation/ventilation, thermoregulation, neurodevelopmental care, and infection control.

How should I prepare for the RNC-LRN exam?

Plan for 150-200 hours of study. Focus on General Management (45%) including feeding, thermoregulation, and resuscitation. Study Pathophysiologic Conditions (37%) including respiratory distress, cardiac defects, and neurologic conditions. Review General Assessment (15%) including gestational age assessment and newborn screening. Complete 200+ practice questions with detailed explanations.