The nurse is preparing to assist with blood collection on a newly admitted patient who has been taking phenytoin for several years.
The provider has ordered a complete blood count and liver function tests.
Which other blood test will the nurse discuss with the provider?
Coagulation studies.
Serum electrolytes.
Renal function tests.
Blood glucose.
The Correct Answer is D
Choice A rationale
Coagulation studies assess the blood's ability to clot and are not directly related to the monitoring of phenytoin therapy. These tests are more relevant for patients with bleeding disorders or those on anticoagulant therapy.
Choice B rationale
Serum electrolytes, including levels of sodium, potassium, and calcium, are important for overall health but are not specifically indicative of phenytoin levels. Phenytoin may affect calcium metabolism, but it is not the primary focus for routine monitoring.
Choice C rationale
Renal function tests are crucial for assessing kidney function but do not directly monitor phenytoin therapy. Phenytoin is primarily metabolized in the liver, making liver function tests more relevant.
Choice D rationale
Blood glucose levels should be monitored in patients taking phenytoin as the drug can cause alterations in blood glucose levels. Both hypoglycemia and hyperglycemia have been reported, so it is important to check glucose levels to ensure they remain within a normal range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Taking medication at the first sign of nausea may be too late to prevent motion sickness as it takes time for the medication to be absorbed and take effect.
Choice B rationale
Taking medication just prior to takeoff might not give the drug enough time to be absorbed and start working effectively.
Choice C rationale
Taking medication just prior to boarding the flight may not provide sufficient time for the drug to reach its peak effectiveness.
Choice D rationale
Taking the medication at 0700 before leaving for the airport allows enough time for the drug to be absorbed and reach its peak effect, which is essential for preventing motion sickness during the flight.
Correct Answer is B
Explanation
Choice A rationale
While "Drug Facts and Comparisons" is a comprehensive source, it is primarily used by pharmacists rather than nurses. Nurses might find it less practical for their day-to-day needs as it is detailed and more suited to in-depth drug comparisons.
Choice B rationale
A nurse drug guide is designed specifically for nurses and includes practical information for administering medications, understanding side effects, and nursing considerations. It’s tailored to the needs of nursing practice.
Choice C rationale
A drug package insert provides detailed information about a specific drug, including indications, dosage, and side effects. However, it lacks the breadth of information about multiple drugs and nursing considerations compared to a nurse drug guide.
Choice D rationale
The Physician’s Drug Reference (PDR) is an excellent resource but is more suited for physicians. It provides detailed drug information but may not focus on nursing-specific considerations and practical administration advice.
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