Top 25 Most Important Nursing Exam Questions with Answers and Explanations (2025 Update)
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1. What is the normal range of serum sodium? Answer: 135–145 mEq/L Explanation: Sodium regulates fluid balance and is essential for muscle and nerve function. Abnormal levels may lead to confusion, seizures, or coma. 2. Which vaccine is contraindicated in pregnancy? Answer: MMR (Measles, Mumps, Rubella) Explanation: MMR is a live attenuated vaccine, and live vaccines can harm the fetus, so it's contraindicated in pregnancy. 3. What is the antidote for Heparin overdose? Answer: Protamine sulfate Explanation: Protamine sulfate neutralizes the anticoagulant effect of heparin, preventing excessive bleeding. 4. What is the normal fetal heart rate? Answer: 110–160 beats per minute Explanation: Monitoring fetal heart rate helps assess fetal well-being during pregnancy and labor. 5. What does the APGAR score assess? Answer: Appearance, Pulse, Grimace, Activity, Respiration Explanation: It's used to assess a newborn's health ...