A nurse is caring for a client who requires a transfusion of one unit of packed RBCs. The nurse receives the following prescription: “Diphenhydramine 50 mg by mouth once, one hour prior to transfusion.”. The nurse should identify this as which of the following types of prescription?
Standing prescription.
Stat prescription.
Single prescription.
PRN prescription.
The Correct Answer is C
Choice A rationale
A standing prescription is an order that applies to all patients who meet certain criteria and is not specific to a single administration. It is used for routine treatments and does not apply to a one-time pre-transfusion medication.
Choice B rationale
A stat prescription is an urgent order that requires immediate administration, typically within minutes. It is used for emergency situations and does not apply to a pre-transfusion medication given one hour before the procedure.
Choice C rationale
A single prescription is a one-time order for a specific medication to be given at a specific time. In this case, diphenhydramine 50 mg by mouth once, one hour prior to transfusion, fits the definition of a single prescription.
Choice D rationale
A PRN (pro re nata) prescription is an order for medication to be given as needed based on the patient’s condition. It is not applicable to a scheduled pre-transfusion medication. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale: Hypercalcemia typically stems from hyperparathyroidism or bone malignancy; it is not a primary complication of acute gastrointestinal fluid loss from vomiting or diarrhea.
Choice B rationale: Hypertension is unlikely in this scenario; significant fluid loss through vomiting and diarrhea more commonly leads to hypovolemia, resulting in decreased blood pressure or hypotension.
Choice C rationale: Hypokalemia occurs because gastric contents and intestinal fluids are rich in potassium; excessive loss through vomiting and diarrhea directly depletes serum potassium levels, causing cardiac and muscular symptoms.
Choice D rationale: Hypernatremia can occur with dehydration, but in secretory diarrhea, sodium and water are often lost together, making the clinical focus on potassium replacement more urgent for cardiac stability.
Choice E rationale: Hypoglycemia is not the primary risk here; while oral intake may be low, the body's stress response to illness typically maintains or elevates blood glucose through gluconeogenesis.
Correct Answer is B
Explanation
Choice A rationale
BNP is used to diagnose heart failure, not to monitor gentamicin’s adverse effects.
Choice B rationale
Creatinine levels should be monitored as gentamicin can cause nephrotoxicity, leading to impaired kidney function.
Choice C rationale
Amylase levels are not relevant for detecting gentamicin’s adverse effects.
Choice D rationale
ESR is used to detect inflammation, not specific to gentamicin’s adverse effects.
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