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Med-Surg Respiratory Quiz

Oxygen is the intervention most often given correctly for the wrong reason, and medical-surgical exams probe that directly. These 15 questions cover COPD exacerbation and why the oxygen target differs, pneumonia assessment, recognising pulmonary embolism, choosing a delivery device, and chest-tube troubleshooting — all at Certified Medical-Surgical Registered Nurse (CMSRN) level.

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  • 💡 Key Takeaways — the one transferable rule per question
  • 🔍 Hint highlights — the decisive cue phrases in each stem
  • 📖 Full rationales — why every option is right or wrong

Every CMSRN question is written to the current exam outline for quick learning and a clear pass strategy.

Written and reviewed by the LexPort exam-prep team, led by our Founder & Exam-Prep Lead. LexPort builds certification practice questions — this is exam-preparation material, not medical advice. Last reviewed October 2026.

Question 1 of 15★ 0/15

A COPD patient on 2L O₂ has SpO₂ 88%, RR 28, and drowsiness after receiving morphine for pain. Which documentation entry best demonstrates evaluation of intervention effectiveness?

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📄 Free: 15 high-yield CMSRN questions + cheat sheet (PDF)

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CMSRN · Exam Simulator

A COPD patient on 2L O₂ has SpO₂ 88%, RR 28, and drowsiness after receiving morphine for pain. Which documenta…

A) A) Respiratory depression suspected. Nal
B) B) Decreased oxygen saturation and alert
C) C) Assessed respiratory effort. Encourag
D) D) Vital signs trended. Respiratory cons
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