Question

Difficulty: MediumPharmacological Therapies

A practical nurse (PN) is reviewing the medication administration record (MAR) and morning laboratory results for assigned clients. Identify the actions that represent safe and appropriate practice for the PN. Select all that apply.

  1. Withhold scheduled subcutaneous enoxaparin for a client with a morning platelet count of 75,000/mm375,000\text{/mm}^3 and notify the registered nurse.Answer
  2. B
    Accept a delegated task from the registered nurse to administer an initial intravenous (IV) push dose of hydromorphone for a client experiencing severe pain.
  3. Reinforce teaching for a client starting oral rifampin that their urine, sweat, and tears may turn a harmless red-orange color.Answer
  4. D
    Administer a scheduled dose of oral metoprolol to a client who has an asymptomatic resting heart rate of 54 beats/min54\text{ beats/min}.
  5. Administer a prescribed oral potassium chloride supplement to a client with a morning serum potassium level of 3.2 mEq/L3.2\text{ mEq/L}.Answer
  6. F
    Bypass the barcode medication administration scanner during a temporary system outage and identify the client using only their room number.

Answer

The correct actions are withholding enoxaparin for thrombocytopenia, reinforcing teaching about expected side effects of rifampin, and administering potassium chloride for hypokalemia.
Safe pharmacological practice for the practical nurse involves withholding enoxaparin when the platelet count is critically low to prevent hemorrhage, educating clients on harmless but startling medication side effects (like rifampin causing red-orange secretions), and appropriately treating documented electrolyte deficits (such as administering potassium for hypokalemia).

Step-by-Step Solution

1
Evaluate the clinical data and prescribed medication for each client scenario.
Identify therapeutic indications, potential contraindications, and required monitoring for the specific drug classes (anticoagulants, antimicrobials, electrolytes, beta-blockers, opioids).
To ensure clinical safety and prevent adverse pharmacological events.
2
Analyze each proposed nursing action against the established LPN/PN scope of practice.
Differentiate between tasks that are safe to perform (administering oral/subcutaneous medications, reinforcing teaching) and tasks that must be refused or escalated (IV push medications, ignoring critical safety parameters).
To maintain legal practice boundaries and ensure the highest level of client safety.

Key Concept

The practical nurse must integrate pharmacological knowledge with strict adherence to scope of practice, ensuring safe medication administration, accurate monitoring of laboratory values, and appropriate client teaching reinforcement.
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