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  1. Blog
  2. /REx-PN / RPN articles

REx-PN (Canada RPN) — REx-PN study articles

Topic-focused guides with practice questions, each linking back to the full pathway lesson on NurseNest.

  • I Accidentally Flushed A Heparin Lock With Saline — What Happens?

    New Grad

    I Accidentally Flushed A Heparin Lock With Saline - What Happens? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of…

    2026-06-10

  • Why Is Nitrofurantoin Avoided In Severe Kidney Disease?

    Pharmacology

    Why Is Nitrofurantoin Avoided In Severe Kidney Disease? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice,…

    2026-06-10

  • Why Is Grapefruit Dangerous With Tacrolimus?

    Pharmacology

    Why Is Grapefruit Dangerous With Tacrolimus? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutio…

    2026-06-10

  • Why Must Warfarin And Heparin Overlap When Starting Anticoagulation?

    Pharmacology

    Why Must Warfarin And Heparin Overlap When Starting Anticoagulation? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope…

    2026-06-10

  • What Does A BNP Test Measure?

    Lab Values

    What Does A BNP Test Measure? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional policy, and…

    2026-06-10

  • What Does A CD4 Count Of 150 cells/mm³ Mean?

    Lab Values

    What Does A CD4 Count Of 150 cells/mm³ Mean? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutio…

    2026-06-10

  • What Does A PaCO₂ Of 60 mmHg Mean?

    Lab Values

    What Does A PaCO₂ Of 60 mmHg Mean? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional policy…

    2026-06-10

  • What Does A Creatinine Of 3 mg/dL Mean?

    Lab Values

    What Does A Creatinine Of 3 mg/dL Mean? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional p…

    2026-06-10

  • What Happens If TPN Stops Suddenly?

    Clinical Skills

    What Happens If TPN Stops Suddenly? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional polic…

    2026-06-10

  • What Happens If A Pulmonary Embolism Is Missed?

    Pathophysiology

    What Happens If A Pulmonary Embolism Is Missed? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institu…

    2026-06-10

  • Why Does Sepsis Cause Elevated Lactate?

    Pathophysiology

    Why Does Sepsis Cause Elevated Lactate? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional p…

    2026-06-10

  • Why Does Shock Cause Decreased Urine Output?

    Pathophysiology

    Why Does Shock Cause Decreased Urine Output? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutio…

    2026-06-10

  • Why Does Furosemide Cause Hypokalemia?

    Pharmacology

    Why Does Furosemide Cause Hypokalemia? This article is for nursing and allied health education and exam preparation only. It is not personalised medical advice, diagnosis, or treatment. Always follow your scope of practice, institutional po…

    2026-06-10

  • Wound care fundamentals for nurses: assessment, infection signs, and measurement documentation

    Wound Care

    Tissue types, odour context, pain, surrounding skin, and photography consent themes aligned to international wound language.

    2026-05-09

  • Wound Assessment and Pressure Injury Staging Review for Australian Nurses

    Wound Care

    Tissue types, infection signs, measurement, and referral patterns aligned to wound care education.

    2026-05-09

  • Working Respectfully With Aboriginal and Torres Strait Islander Health Services: Nurse Education Notes

    Cultural Safety

    Partnership models, avoiding tokenism, referral pathways, and continuous learning—respect-led framing.

    2026-05-09

  • Work Hardening and Work Conditioning: OT-Adjacent Concepts Students Should Recognize

    Occupational Therapy

    Differentiate work conditioning from work hardening, describe multidisciplinary roles, and note documentation and referral patterns.

    2026-05-09

  • Wheelchair Positioning Basics for OT Students: Posture, Pressure, and Functional Access

    Rehabilitation

    Explain angles, pressure redistribution, functional reach in seated mobility, and when to collaborate with PT or ATP vendors.

    2026-05-09

  • Warfarin INR Monitoring Explained for Pharmacy Students and Clinical Practice

    Pharmacology

    Vitamin K epoxide reductase inhibition, INR targets, dietary consistency teaching, genotype considerations in curricula, and bleeding reversal education without replacing protocols.

    2026-05-09

  • Vitamin B12 and Folate Testing: Megaloblastic Workup Anchors for MLT

    Laboratory Science

    Explain macrocytosis patterns, dietary and malabsorption mechanisms, and why neurologic B12 deficiency can exist without anemia on examination stems.

    2026-05-09

  • Visual Motor Integration for Children: OT Assessment Themes and Classroom Carryover

    Pediatrics

    Separate visual perception from visual motor integration, choose play-based activities with measurable IEP links, and collaborate with teachers.

    2026-05-09

  • VF and Pulseless VT: Defibrillation Steps, Energy Escalation, and CPR Integration for EMS

    Emergency Medical Services

    Practice the shock-CPR rhythm, pad placement, safety checks, and team roles for minimal pause defibrillation.

    2026-05-09

  • Vancomycin Therapeutic Monitoring: Troughs, Timing, and Assay Stability for MLT

    Laboratory Science

    Emphasize pre-dose trough timing, renal function linkage, and pre-analytical stability as examination favorites in chemistry TDM modules.

    2026-05-09

  • Vancomycin Monitoring Basics: AUC-Guided Concepts and Infusion Reaction Education

    Pharmacology

    Time-dependent killing, trough versus AUC targets in modern curricula, nephrotoxicity surveillance, red man syndrome histamine release, and infusion rate counseling.

    2026-05-09

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