Case Study-Asthma (Peds)
Electrolyte levels
Pulmonary function test including peak flow
CBC
Allergy skin testing
The Correct Answer is B
A. Electrolyte levels: While important in general health assessment, electrolytes are not specific to evaluating asthma severity or lung function. They would not determine the respiratory status directly.
B. Pulmonary function test including peak flow: This is the most relevant diagnostic tool for asthma. It measures airflow limitation and helps assess the severity of the asthma exacerbation and response to treatment, guiding both immediate care and long-term management.
C. CBC: A CBC may show signs of infection or inflammation but does not assess lung function. It is not specific enough to determine the status of an asthma exacerbation or guide bronchodilator therapy.
D. Allergy skin testing: This may be done later to identify triggers in chronic asthma management, but it is not useful for acute status assessment or immediate treatment decisions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. WBC:The white blood cell count helps identify infection or inflammation but is not used to monitor the therapeutic effect of heparin. It does not provide information on anticoagulation status or bleeding risk.
B. D-dimer:D-dimer is useful for diagnosing or ruling out a PE initially but is not used to monitor treatment. Once anticoagulation has begun, D-dimer levels are not reliable indicators of therapeutic effectiveness.
C. PT/INR:PT/INR is used to monitor warfarin therapy, not heparin. Heparin affects the intrinsic pathway of the coagulation cascade, and PT/INR does not accurately reflect its anticoagulant effect.
D. aPTT:The activated partial thromboplastin time (aPTT) is the correct test to monitor heparin therapy. It measures the efficacy of the intrinsic clotting pathway and helps determine if the heparin dose is within the therapeutic range.
Correct Answer is D
Explanation
A. When the chest x-ray shows no indication of TB:Chest x-rays can remain abnormal even after successful treatment. Radiographic improvement is not a reliable indicator for stopping therapy.
B. When the TB skin test is no longer positive:The TB skin test often remains positive for life after infection or exposure and does not reflect current disease activity or treatment response.
C. When the medication has been taken for 6 months:Although the standard treatment duration is often 6 months, therapy duration alone is not sufficient without confirming bacteriological clearance via sputum testing.
D. When three consecutive sputum cultures are negative:This is the most reliable indicator that the patient is no longer infectious and the treatment has been effective, especially in active pulmonary TB. It ensures eradication of Mycobacterium tuberculosis.
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