100+ Free RNC-OB Practice Questions

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Sample RNC-OB Practice Questions

Try these sample questions to test your RNC-OB exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A pregnant client at 28 weeks' gestation is diagnosed with gestational diabetes. Which of the following is the initial treatment of choice?

A.Oral hypoglycemic agents

B.Diet and exercise

C.Insulin injections

D.No treatment is necessary until after delivery

Explanation: The initial treatment for gestational diabetes is medical nutrition therapy (diet) and moderate exercise. Oral hypoglycemic agents and insulin are considered if diet and exercise are not effective in controlling blood glucose levels.

2A nurse is evaluating a fetal heart rate (FHR) tracing. The baseline is 140 bpm, and there are accelerations to 160 bpm lasting for 20 seconds. What is the correct interpretation of this finding?

A.Non-reassuring fetal status

B.Reassuring fetal status

C.Fetal tachycardia

D.Fetal bradycardia

Explanation: Accelerations in the fetal heart rate are a reassuring sign of fetal well-being. An acceleration is defined as an increase in the FHR of at least 15 bpm above the baseline, lasting for at least 15 seconds.

3A client is admitted with a suspected placental abruption. Which of the following signs and symptoms would the nurse expect to find?

A.Painless, bright red vaginal bleeding

B.A board-like abdomen and dark red vaginal bleeding

C.Intermittent lower abdominal cramping

D.A soft uterus and painless bleeding

Explanation: Placental abruption is the premature separation of the placenta from the uterine wall. Classic signs include a rigid, board-like abdomen, sudden, severe abdominal pain, and dark red vaginal bleeding. The uterus is tender and may be in a state of tetany.

4A nurse is assessing a client 24 hours postpartum. The fundus is firm, at the level of the umbilicus, and midline. What is the appropriate nursing action?

A.Document the finding as normal.

B.Massage the fundus vigorously.

C.Administer a uterotonic medication.

D.Notify the healthcare provider immediately.

Explanation: A firm fundus at the level of the umbilicus and midline is a normal finding 24 hours postpartum. The nurse should document this finding.

5What is the normal range for a newborn's respiratory rate?

A.10-20 breaths per minute

B.20-30 breaths per minute

C.30-60 breaths per minute

D.60-80 breaths per minute

Explanation: The normal respiratory rate for a newborn is 30-60 breaths per minute. Respirations may be irregular, with short periods of apnea (less than 15 seconds).

6A client with preeclampsia is receiving magnesium sulfate. The nurse should monitor for which of the following signs of magnesium toxicity?

A.Hyperreflexia and clonus

B.Tachycardia and hypertension

C.Decreased respiratory rate and loss of deep tendon reflexes

D.Increased urine output and proteinuria

Explanation: Magnesium sulfate is a central nervous system depressant. Signs of magnesium toxicity include respiratory depression (respiratory rate < 12 breaths per minute), loss of deep tendon reflexes, and oliguria.

7A non-stress test (NST) is performed on a high-risk pregnant client. The result is reactive. What does this indicate?

A.The fetus is not moving.

B.The fetus is well-oxygenated.

C.The fetus is in distress.

D.Further testing is needed.

Explanation: A reactive non-stress test is a reassuring finding. It indicates that the fetus is well-oxygenated and has an intact central nervous system. A reactive NST is defined as two or more fetal heart rate accelerations of at least 15 bpm above the baseline, lasting for at least 15 seconds, within a 20-minute period.

8Which of the following is a positive sign of pregnancy?

A.Amenorrhea

B.Breast tenderness

C.Fetal movement felt by the examiner

D.Nausea and vomiting

Explanation: Positive signs of pregnancy are those that can only be attributed to a fetus. These include fetal heart sounds heard by the examiner, visualization of the fetus by ultrasound, and fetal movement felt by the examiner.

9A client is in the active phase of labor. The nurse notes a pattern of late decelerations on the fetal monitor. What is the priority nursing action?

A.Increase the rate of the intravenous fluids.

B.Administer oxygen to the client.

C.Change the client's position.

D.Notify the healthcare provider.

Explanation: Late decelerations are a sign of uteroplacental insufficiency. The priority nursing action is to change the client's position to the left lateral side to increase blood flow to the placenta. Other actions include administering oxygen, increasing intravenous fluids, and notifying the healthcare provider.

10A nurse is teaching a new mother about breastfeeding. Which of the following is a sign that the infant is latched on correctly?

A.The infant's cheeks are dimpled.

B.The mother feels nipple pain throughout the feeding.

C.The infant's lips are turned outward.

D.The mother hears a clicking sound.

Explanation: A correct latch is indicated by the infant's lips being turned outward (flanged) like a fish, covering the areola. The cheeks should be rounded, not dimpled. The mother should not feel pain after the initial latch-on.

About the RNC-OB Exam

The RNC-OB certification validates specialized knowledge in inpatient obstetric nursing, covering antepartum, intrapartum, postpartum, and neonatal care for registered nurses with at least two years of specialty experience.

Questions

175 scored questions

Time Limit

3 hours

Passing Score

Pass/Fail

Exam Fee

$325 (National Certification Corporation (NCC))

RNC-OB Exam Content Outline

25%

Antepartum

Assessment and management of the antepartum patient.

35%

Intrapartum

Assessment and management of the intrapartum patient including fetal monitoring.

25%

Postpartum

Assessment and management of the postpartum patient.

15%

Neonatal

Assessment and management of the newborn.

How to Pass the RNC-OB Exam

What You Need to Know

Passing score: Pass/Fail
Exam length: 175 questions
Time limit: 3 hours
Exam fee: $325

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Frequently Asked Questions

How hard is the RNC-OB exam?

RNC-OB is an advanced specialty certification covering antepartum, intrapartum, postpartum, and neonatal care. The intrapartum domain is the largest at 35% and includes fetal monitoring interpretation. NCC does not publish pass rates, but candidates with 2+ years of inpatient OB experience and structured study typically pass.

How many questions are on the RNC-OB exam?

The RNC-OB exam has 175 multiple-choice questions, of which 150 are scored and 25 are unscored pretest items. You are given 3 hours to complete the exam.

What score do I need to pass the RNC-OB exam?

NCC uses a pass/fail scaled scoring model and does not publish a specific percentage cutoff. The cut score is determined through psychometric review and results are reported as pass or fail rather than as a percentage.

How long should I study for the RNC-OB exam?

Most candidates study for 3-6 months. Prioritize the Intrapartum domain (35% of the exam) including fetal heart rate monitoring, then antepartum and postpartum (25% each), then neonatal (15%). Practice questions and FHR strip interpretation drills are essential.

What is the RNC-OB exam fee and eligibility?

The RNC-OB exam fee is $325 through NCC. The certification is valid for 3 years. Eligibility requires a current, active, unencumbered RN license plus 24 months of specialty experience in inpatient obstetric nursing.

100+ Free RNC-OB Practice Questions

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