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CMSRN: Medication Management

Medication management is central to med-surg nursing and the CMSRN. These questions cover safe administration, monitoring for effects and adverse reactions, high-alert medications, and patient teaching — each with a full rationale.

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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 August 2026.

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Test yourself: Medication Management

Three CMSRN practice questions on medication management — tap an answer for instant feedback. The app has 5,200+, timed and scored.

Question 1

A patient with Parkinson’s disease takes carbidopa-levodopa at 7am, 11am, 3pm, and 7pm. They report worsening tremors at 10am and 2pm. Which home medication schedule adjustment aligns best with pharmacokinetic principles?

▸ Why C is the answer

Worsening tremors before doses indicate wearing-off; shorter intervals (3 hours initially) maintain therapeutic levels. Increasing single doses (A) causes peak-dose dyskinesias. Continuous infusion (B) is invasive for home management. Consolidating doses (D) prolongs intervals, exacerbating off-periods. CMSRN guidelines support interval shortening before dose escalation for Parkinson’s motor fluctuations.

Question 2

A postoperative patient with lupus has a 72-hour IV in the antecubital fossa. The nurse observes localized redness (1 cm) and tenderness without swelling. What factor most increases complication risk?

▸ Why A is the answer

INS recommends rotating peripheral IVs every 72-96 hours. Site duration is the primary risk here. Antecubital sites (B) have higher dislodgement risk but no mobility cues. Lupus (C) may increase phlebitis risk but is secondary to prolonged dwell time. Surgical stress (D) is less directly relevant than IV duration. Mild redness/tenderness suggests early phlebitis, necessitating rotation.

Question 3

A newly diagnosed 58-year-old with rheumatoid arthritis expresses distress about the $1,000 monthly copay for adalimumab. They mention skipping their spouse's hypertension medication to afford groceries. Which nurse action best promotes adherence?

▸ Why A is the answer

The high-cost biologic and family medication sacrifices indicate urgent need for financial aid. Option A targets copay reduction through legitimate programs. Option B is unsafe for biologics and doesn't address cost. Option C increases anxiety without offering solutions. Option D risks disease progression. Per AMSN protocols, nurses should identify patient assistance resources before considering regimen changes, as financial toxicity directly impacts adherence.

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Question 1

During CVAD dressing change, a nurse observes purulent drainage and 2cm erythema. The patient reports tenderness but is afebrile. Which action reflects priority assessment?

  • A) A) Culture the drainage and document characteristics
  • B) B) Measure the erythema and reassess in 4 hours
  • C) C) Palpate the tunneled catheter track for cord-like thickening✓
  • D) D) Assess for systemic signs like chills or hypotension
Show rationale

Cord-like thickening indicates tunnel infection requiring urgent catheter removal. Culture (A) is secondary to assessing infection depth. Measuring erythema (B) delays intervention for advancing infection. Systemic signs (D) are absent per scenario; tunnel infection can exist without them. INS standards mandate tunnel assessment for localized symptoms.

Question 2

A postoperative patient's peripheral IV site has mild edema, skin tautness, and 2°C temperature difference but no pain or redness. The IV flushes easily. Which action is indicated?

  • A) A) Continue infusion and elevate the extremity✓
  • B) B) Remove the catheter and apply a warm compress
  • C) C) Slow the infusion rate and reassess in 1 hour
  • D) D) Document findings and change the dressing
Show rationale

These signs indicate grade 1 infiltration without compromise. Elevation promotes fluid absorption without catheter removal. Removal (B) is premature without pain/skin compromise. Slowing infusion (C) delays intervention for worsening symptoms. Dressing change (D) doesn't address infiltration. INS standards permit continued use for mild cases with monitoring.

Question 3

A patient with a prior mild rash to iodinated contrast reports itching and throat "fullness" during a CT scan. Vital signs are stable. What should the nurse do first?

  • A) A) Notify the radiology provider and prepare epinephrine✓
  • B) B) Give oral diphenhydramine and continue monitoring
  • C) C) Discontinue the contrast infusion and start normal saline
  • D) D) Apply a cool compress and reassure the patient
Show rationale

Throat symptoms suggest evolving anaphylaxis; guidelines mandate immediate provider notification and epinephrine readiness due to risk of rapid deterioration, even if vitals are initially stable. Option B may delay life-saving treatment; oral antihistamines are too slow for systemic reactions. Option C stops exposure but doesn't address potential airway compromise. Option D is inadequate for progressive allergic symptoms.

Question 4

A patient receiving vancomycin via a peripheral IV in the left cephalic vein reports sharp pain 30 minutes after initiation. Assessment reveals erythema extending 8 cm proximally, warmth, and a palpable cord. The infusion rate is correct. Which complication requires immediate intervention?

  • A) A) Infiltration due to catheter dislodgement
  • B) B) Phlebitis from chemical irritation✓
  • C) C) Extravasation of vesicant medication
  • D) D) Infection indicated by local inflammation
Show rationale

Vancomycin is a known irritant causing chemical phlebitis, evidenced by pain, erythema, warmth, and cord formation along the vein. Infiltration (A) lacks erythema/cord and typically presents with edema/coolness. Extravasation (C) involves vesicants (unlike vancomycin) with blistering/tissue necrosis. Infection (D) requires purulent discharge or systemic signs. CDC guidelines mandate line removal for grade ≥2 phlebitis to prevent progression.

Question 5

While assisting with hospice discharge, a nurse notes unused liquid morphine in a patient's home. The family mentions frequent visits by grandchildren and asks about safe disposal. No drug take-back sites exist locally. Which method balances safety and regulatory compliance?

  • A) A) Pour liquid into absorbent material before trash disposal✓
  • B) B) Dilute with water before flushing down the sink
  • C) C) Store in original container with child-resistant cap
  • D) D) Return to hospice for witnessed disposal
Show rationale

Absorbent material neutralizes liquid drugs per FDA household disposal guidelines, reducing ingestion risk for children. Flushing (B) contaminates water and violates DEA rules for controlled substances. Storage (C) maintains diversion risk. Returning to hospice (D) is ideal but impractical without staff availability. Discriminating cues: presence of children and controlled substance require immediate, secure disposal. Option A addresses both while meeting DEA exceptions for home disposal.

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CMSRN · Exam Simulator

During CVAD dressing change, a nurse observes purulent drainage and 2cm erythema. The patient reports tenderne…

A) A) Culture the drainage and document cha
B) B) Measure the erythema and reassess in
C) C) Palpate the tunneled catheter track f
D) D) Assess for systemic signs like chills
Submit Answer

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