A client with emphysema who is receiving a bronchodilator reports to the practical nurse (PN) feelings of jitters and dry mouth. Which finding should the PN record as a measure of the medication’s effectiveness?
Pupils equal and reactive to light
Heart rate 106 beats/minute
Respiratory rate 22 breaths/minute
Urine output 40 mL/hour
The Correct Answer is C
Choice A reason: Pupils equal and reactive to light assess neurological status, not bronchodilator effectiveness. Bronchodilators, like albuterol, relax airway smooth muscles, improving breathing in emphysema. Pupil response is unrelated to respiratory function, making this choice irrelevant for evaluating the drug’s impact.
Choice B reason: Heart rate of 106 beats/minute may reflect a bronchodilator side effect, as beta-agonists stimulate cardiac beta receptors, causing tachycardia. However, it does not measure effectiveness, which is assessed by improved airway function, like respiratory rate, making this choice incorrect.
Choice C reason: Respiratory rate of 22 breaths/minute indicates bronchodilator effectiveness, as these drugs dilate airways, reducing work of breathing in emphysema. A normalized rate suggests improved airflow and oxygenation, directly reflecting the drug’s therapeutic action on bronchial smooth muscle relaxation.
Choice D reason: Urine output of 40 mL/hour monitors renal function, not bronchodilator efficacy. Bronchodilators target airway dilation, not fluid balance. This finding is unrelated to emphysema treatment or the drug’s respiratory effects, making it irrelevant for assessing medication effectiveness.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Suggesting a snack after administering an incorrect insulin dose risks hypoglycemia, as 2 extra units can excessively lower blood glucose. Insulin dosing must match the glucose level per the sliding scale to prevent adverse effects, making this choice unsafe and reactive.
Choice B reason: Repeating the glucose level is unnecessary if the recorded level is reliable. The error lies in the drawn dose, not the glucose measurement. Correcting the dose to match the recorded glucose is more direct, as insulin dosing relies on accurate glucose data.
Choice C reason: Reducing the insulin dose by 2 units corrects the error, aligning with the sliding scale for the recorded glucose level. Excess insulin can cause hypoglycemia, affecting brain and organ function. This action ensures safe administration, preventing potentially severe metabolic consequences.
Choice D reason: Recording the discrepancy does not correct the dosing error and risks administering an unsafe dose. Documentation is secondary to ensuring the correct insulin amount is given, as 2 extra units could lead to hypoglycemia, requiring immediate correction, not just notation.
Correct Answer is A
Explanation
Choice A reason: Keratolytic agents, like salicylic acid, break down keratin in psoriatic plaques, softening scaly skin and reducing peeling. This promotes shedding of thickened, dead skin cells, improving skin texture. Softer, less scaly skin directly indicates the medication’s effect on hyperkeratotic lesions, confirming therapeutic success.
Choice B reason: Absence of purulent drainage indicates no infection but is not the primary goal of keratolytics. These agents target scale reduction, not infection. Psoriasis lesions are typically not purulent, so this finding is unrelated to the medication’s intended effect on skin texture.
Choice C reason: Reduced redness and swelling suggest decreased inflammation, which is not the primary action of keratolytics. Anti-inflammatory agents, like corticosteroids, target these symptoms, while keratolytics focus on scale removal. This finding is irrelevant to the medication’s specific role in psoriasis management.
Choice D reason: Full range of motion without pain relates to joint function, possibly in psoriatic arthritis, but is unrelated to keratolytics, which treat skin lesions. Keratolytics do not affect joint inflammation or mobility, making this choice incorrect for assessing the medication’s skin-specific effects.
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