The emergency department (ED) manager is reviewing client charts to determine how well the staff perform when treating clients with community-acquired pneumonia.
What outcome demonstrates that goals for this client type have been met?
Antibiotics started before admission.
Blood cultures obtained within 20 minutes.
Chest x-ray obtained within 30 minutes.
Pulse oximetry obtained on all clients.
The Correct Answer is C
Choice A rationale
Antibiotics are crucial for community-acquired pneumonia (CAP) treatment, but "before admission" is not a standard quality metric for ED care. The emphasis is on timely administration *after* diagnosis within the ED. Scientific guidelines recommend initiating empiric broad-spectrum antibiotics promptly upon diagnosis of CAP to minimize bacterial proliferation and reduce inflammatory responses, ideally within 4-6 hours of presentation, to improve clinical outcomes and reduce mortality.
Choice B rationale
Blood cultures are important for identifying causative organisms and guiding antibiotic selection, but obtaining them within 20 minutes is an overly stringent and potentially unrealistic goal. The scientific purpose of blood cultures is to detect bacteremia, which can lead to sepsis, by culturing microorganisms from the bloodstream. While timely collection is important to guide targeted therapy, the critical metric focuses on administering the first dose of antibiotics *after* culture collection, not solely on the speed of collection.
Choice C rationale
A chest x-ray within 30 minutes is a reasonable and often achievable goal to confirm the diagnosis of pneumonia quickly. Rapid diagnostic imaging allows for prompt visualization of pulmonary infiltrates or consolidation, confirming the presence and extent of lung involvement. This timely diagnosis is critical for initiating appropriate treatment without undue delay, as early intervention in pneumonia significantly impacts client morbidity and mortality by curtailing bacterial growth and preventing widespread inflammation.
Choice D rationale
While pulse oximetry is a standard and essential initial assessment for all clients to evaluate oxygen saturation, it is not an outcome demonstrating met goals for pneumonia treatment. Pulse oximetry measures the percentage of hemoglobin saturated with oxygen, reflecting the adequacy of oxygenation. Although vital for initial triage and ongoing monitoring to guide oxygen therapy, it is a continuous assessment tool rather than a definitive marker of successful treatment or resolution of the underlying disease process.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
A negative chest x-ray, while indicative of resolving lung pathology, does not definitively confirm the absence of viable Mycobacterium tuberculosis. Radiographic resolution can lag behind bacteriologic clearance, meaning granulomas might still be present even if the active infection has been eliminated, and thus transmissibility cannot be excluded solely based on imaging.
Choice B rationale
The absence of clinical symptoms, such as cough, fever, or weight loss, suggests clinical improvement but does not guarantee bacteriologic cure or non-infectiousness. A patient can be asymptomatic yet still shed viable mycobacteria, posing a risk of transmission to others. Bacteriological confirmation is essential.
Choice C rationale
Three negative sputum cultures, typically collected on separate days, are the gold standard for confirming that a patient with tuberculosis is no longer infectious. This indicates the absence of viable Mycobacterium tuberculosis in respiratory secretions, significantly reducing the risk of transmission to others due to the inability to aerosolize infectious particles.
Choice D rationale
A negative skin test, or tuberculin skin test (TST), indicates the absence of a delayed-type hypersensitivity reaction to M. tuberculosis antigens. It primarily reflects exposure and immune response, not active infection or infectiousness. A previously positive TST usually remains positive even after successful treatment, so a negative result in a treated patient is not a measure of non-infectiousness.
Correct Answer is A
Explanation
Choice A rationale
Oseltamivir, an antiviral neuraminidase inhibitor, is most effective when administered within 48 hours of influenza symptom onset. It works by inhibiting the viral neuraminidase enzyme, preventing the release of new virions from infected cells, thereby reducing viral spread and shortening the duration and severity of illness, if given early.
Choice B rationale
Rest is indeed important for recovery from influenza, as it conserves energy and allows the immune system to combat the infection. However, decreasing fluid intake is contraindicated; adequate hydration is crucial to prevent dehydration, especially with fever, and to help thin respiratory secretions, facilitating their clearance.
Choice C rationale
Influenza is a viral infection; therefore, antibiotics, which target bacterial pathogens, are ineffective against the influenza virus itself. Administering antibiotics would be inappropriate and could contribute to antibiotic resistance without providing therapeutic benefit for the viral illness, unless a secondary bacterial infection is suspected.
Choice D rationale
Admission to an acute care facility is generally reserved for severe cases of influenza, such as those with respiratory distress, hypoxemia, or significant comorbidities. For a patient whose symptoms started only 24 hours prior and without severe complications, outpatient management with antiviral therapy is typically sufficient.
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