A nurse is caring for a client with bacterial pneumonia and has received an order for antibiotics. Which diagnostic test must be ordered before initiating antibiotic therapy to ensure appropriate treatment?
Basic metabolic panel (BMP)
Sputum culture and sensitivity
Chest radiograph
Complete blood count (CBC) with differential
The Correct Answer is B
Choice A reason: A basic metabolic panel assesses electrolytes and renal function but does not identify the bacterial cause of pneumonia. It supports overall patient status but does not guide antibiotic selection, making it less critical than sputum culture for ensuring targeted, effective antibiotic therapy.
Choice B reason: Sputum culture and sensitivity identify the specific bacteria causing pneumonia and their antibiotic susceptibilities, ensuring targeted therapy. Inappropriate antibiotics risk treatment failure and resistance. Obtaining the culture before antibiotics prevents false-negative results, making this critical for effective treatment.
Choice C reason: A chest radiograph confirms pneumonia’s presence and extent but does not identify the causative organism or antibiotic sensitivity. It supports diagnosis but does not guide specific antibiotic therapy, making it less critical than sputum culture for ensuring appropriate treatment.
Choice D reason: A complete blood count with differential shows infection severity (e.g., elevated white cells) but does not identify specific bacteria or antibiotic sensitivity. It supports diagnosis but is secondary to sputum culture, which ensures targeted antibiotic selection for effective pneumonia treatment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: A Jackson-Pratt drain removes serous fluid and blood from the surgical site, preventing seromas, hematomas, or infections. By maintaining a closed suction system, it promotes wound healing and reduces complications, making this the primary purpose of the JP drain in postoperative care.
Choice B reason: While a JP drain may remove small amounts of blood, its primary purpose is preventing fluid accumulation, not limiting bleeding. Bleeding control is managed intraoperatively or with other measures, making this a secondary, less accurate purpose of the drain compared to fluid prevention.
Choice C reason: A JP drain is not used for medication administration. It is a closed suction system designed to remove fluid from the surgical site to prevent complications. Medications are given via other routes (e.g., IV), making this an incorrect description of the drain’s purpose.
Choice D reason: A JP drain does not eliminate the need for wound irrigations, which clean wounds directly. The drain prevents fluid buildup in closed surgical sites, reducing infection risk, but it does not replace irrigation, which addresses different wound care needs, making this choice incorrect.
Correct Answer is B
Explanation
Choice A reason: Answering questions is appropriate if within the nurse’s scope, but surgical risks and benefits require detailed, procedure-specific knowledge from the surgeon. Incorrect answers risk misinforming the client, affecting consent validity, making this less appropriate than consulting the surgeon for accurate information.
Choice B reason: Requesting the surgeon ensures the client receives accurate, procedure-specific information on risks and benefits, critical for informed consent. The surgeon’s expertise addresses complex questions, ensuring legal and ethical standards, making this the most appropriate action for post-consent clarification in this surgical scenario.
Choice C reason: Placing the consent form in the medical record is routine but does not address the client’s questions. Failing to clarify risks and benefits may invalidate informed consent, risking ethical and legal issues, making this action inappropriate as a response to the client’s immediate concerns.
Choice D reason: Notifying the nurse manager escalates the issue unnecessarily, as the surgeon is the appropriate expert for surgical risks and benefits. This delays resolution, potentially compromising informed consent, making it less appropriate than involving the surgeon for accurate, procedure-specific information.
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