Which of the following would indicate the effectiveness of a bronchodilator?
Retractions on assessment
Chest tightness
Use of accessory muscles
SpO2 increased from 87% to 94%.
The Correct Answer is D
A. Retractions on assessment: Retractions suggest increased respiratory effort and are a sign of respiratory distress. Their presence indicates that the airway is still obstructed or the patient is struggling to breathe, suggesting the bronchodilator has not been effective.
B. Chest tightness: Chest tightness is a subjective symptom often associated with bronchospasm or airway constriction. If it persists after bronchodilator use, it signals continued respiratory compromise and inadequate relief from the medication.
C. Use of accessory muscles: Use of accessory muscles indicates labored breathing and ongoing difficulty with ventilation. Effective bronchodilation should reduce the work of breathing and minimize reliance on these muscles.
D. SpO₂ increased from 87% to 94%: An increase in oxygen saturation indicates improved gas exchange and oxygenation, reflecting that the bronchodilator has successfully opened the airways. This is a measurable and objective sign of medication effectiveness.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Montelukast:Montelukast is a leukotriene receptor antagonist used for long-term asthma control and prevention of symptoms. It is not effective for treating acute bronchospasm or providing immediate symptom relief during an asthma attack.
B. Fluticasone:Fluticasone is an inhaled corticosteroid used regularly to reduce airway inflammation and prevent asthma symptoms. It does not work quickly enough to relieve acute symptoms like wheezing or shortness of breath.
C. Prednisone:Prednisone is a systemic corticosteroid used for moderate to severe asthma exacerbations, but its onset is delayed. It is typically given alongside a short-acting bronchodilator to reduce inflammation over several hours, not for quick relief.
D. Albuterol:Albuterol is a short-acting beta₂-agonist that works within minutes to relax bronchial smooth muscles, making it the medication of choice for immediate relief of acute asthma symptoms such as coughing, wheezing, and dyspnea.
Correct Answer is A
Explanation
A. Nose, then exhale more slowly through pursed lips:Pursed-lip breathing involves inhaling slowly through the nose and exhaling gently and slowly through pursed lips. This technique helps keep the airways open longer, promotes better gas exchange, and reduces shortness of breath.
B. Mouth, making her exhalation last three times longer than her inhalation:While prolonging exhalation is a goal of pursed-lip breathing, inhaling through the mouth does not support optimal airway conditioning.
C. Mouth, then exhale quickly through pursed lips:Exhaling quickly defeats the purpose of pursed-lip breathing, which is to slow down exhalation and prevent airway collapse. Inhaling through the mouth also bypasses natural airway filtering and warming.
D. Nose, making her inhalation last three times longer than her exhalation:The goal is to have a longer exhalation phase, not inhalation. Short inhalation and prolonged exhalation help reduce air trapping and improve oxygenation.
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