While a patient is receiving a statin, the nurse knows to monitor the patient closely for the development of which problem?
Pulmonary problems
Neutropenia
Liver dysfunction
Vitamin C deficiency
The Correct Answer is C
Choice A reason: Pulmonary problems are not a primary concern with statins. Statins inhibit HMG-CoA reductase, lowering cholesterol, with main side effects being myopathy and hepatotoxicity. Pulmonary issues are more associated with drugs like amiodarone, not statins, which primarily affect liver and muscle tissue.
Choice B reason: Neutropenia is not a common side effect of statins. These drugs lower cholesterol by inhibiting HMG-CoA reductase, with risks of myopathy or liver dysfunction. Hematologic effects like neutropenia are more linked to chemotherapy or immunosuppressants, not statins, making this an incorrect monitoring priority.
Choice C reason: Liver dysfunction is a critical side effect to monitor with statins. They can elevate liver enzymes (ALT, AST) by stressing hepatocytes during cholesterol synthesis inhibition. Regular liver function tests are needed to detect hepatotoxicity early, preventing severe liver damage in patients on long-term statin therapy.
Choice D reason: Vitamin C deficiency is not associated with statins. Statins affect cholesterol synthesis, not vitamin metabolism. Deficiency would result from dietary issues, not statin use. Monitoring for myopathy or liver dysfunction is more relevant due to statins’ hepatic metabolism and muscle effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Theophylline, a methylxanthine, causes palpitations by increasing cyclic AMP through phosphodiesterase inhibition, stimulating cardiac beta-1 receptors. This can lead to tachycardia or arrhythmias, especially at high levels. Monitoring heart rate is critical due to theophylline’s narrow therapeutic index and potential for cardiovascular toxicity.
Choice B reason: Diarrhea is not a primary adverse effect of theophylline. Gastrointestinal upset, like nausea or vomiting, may occur due to gastric irritation, but diarrhea is less common. Theophylline’s main toxicities involve the cardiovascular and nervous systems, making palpitations a more significant concern.
Choice C reason: Drowsiness is not associated with theophylline, which acts as a CNS stimulant, potentially causing nervousness or insomnia. Its phosphodiesterase inhibition increases cyclic AMP, enhancing alertness, not sedation. Drowsiness is more linked to antihistamines, making this incorrect for theophylline monitoring.
Choice D reason: Bradycardia is not a typical theophylline effect. Theophylline stimulates the heart via beta-1 receptor activation, causing tachycardia or palpitations. Bradycardia may occur with other drugs, like beta-blockers, but theophylline’s sympathomimetic effects make palpitations a more relevant adverse effect to monitor.
Correct Answer is B
Explanation
Choice A reason: Inhaled corticosteroids, such as fluticasone, are not specifically timed for bedtime to minimize side effects. Their primary effect is local anti-inflammatory action in the airways, with minimal systemic absorption. Timing does not significantly reduce side effects like oral thrush, which is managed by rinsing the mouth. Administration is typically twice daily for consistent asthma control, independent of bedtime.
Choice B reason: Rinsing the mouth after using inhaled corticosteroids is essential to prevent oral candidiasis (thrush). Residual corticosteroid in the oral cavity can disrupt the local microbial balance, promoting fungal overgrowth. Rinsing removes excess drug, reducing infection risk while maintaining the drug’s anti-inflammatory effect in the airways, ensuring safe and effective therapy.
Choice C reason: Weight gain of 5 pounds in a week is not a typical side effect of inhaled corticosteroids due to their minimal systemic absorption. Stopping the medication abruptly could exacerbate asthma symptoms. Significant weight gain is more associated with systemic corticosteroids, which affect metabolism and fluid retention, unlike inhaled formulations.
Choice D reason: Inhaled corticosteroids do not require an empty stomach for effectiveness, as they are delivered directly to the lungs via inhalation. Their local action on airway inflammation is independent of gastrointestinal absorption. Food intake does not influence their pharmacokinetics or therapeutic efficacy, making this instruction irrelevant for inhaled corticosteroid use.
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