PSB-RN Study Guide 2026
Everything you need to pass the PSB-RN exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 PSB-RN Exam Format at a Glance
📚 PSB-RN Topics to Study (22)
✍️ Sample PSB-RN Questions & Answers
1. What is the primary physiological role of dietary fiber in the human body?
Dietary fiber promotes bowel regularity, prevents constipation, and supports digestive health by adding bulk to stool and feeding beneficial gut bacteria.
2. Which of the following is an essential component of clinical documentation in Registered Nursing Exam?
Clinical documentation must include objective, factual observations, all interventions performed, and the patient's response to those interventions for accurate medical records.
3. A patient diagnosed with phenylketonuria (PKU) must strictly restrict which nutrient from the diet?
PKU is an inborn error of metabolism in which phenylalanine cannot be properly metabolized, requiring severe dietary restriction of phenylalanine to prevent neurological damage.
4. Which word does NOT belong with the others?
Stethoscope, thermometer, and blood pressure cuff are all medical instruments or diagnostic tools typically used by healthcare professionals for patient assessment. A hospital bed, while a piece of medical equipment, is furniture designed for patient comfort and care, not a diagnostic or assessment tool in the same category as the others.
5. Which food source is widely recognized as one of the highest in potassium content?
Bananas are among the most well-known high-potassium foods, making them important to monitor in patients at risk for hyperkalemia.
6. What is the best response to an angry family member questioning patient care?
When confronted by an angry family member, a professional nurse should employ therapeutic communication techniques. Actively listening to their concerns validates their feelings, and calmly explaining the care plan demonstrates transparency and helps to de-escalate the situation, fostering trust and understanding.