Which of the following medications is an inhaled agent used for long-term prophylaxis of asthma?
Beclomethasone (QVAR).
Metoprolol.
Phenytoin.
Furosemide.
The Correct Answer is A
Choice A rationale
Beclomethasone (QVAR) is an inhaled corticosteroid used for long-term prophylaxis of asthma. It works by reducing inflammation in the airways, preventing asthma attacks and improving lung function.
Choice B rationale
Metoprolol is a beta-adrenergic blocker used for treating hypertension and certain heart conditions. It is not used for asthma management.
Choice C rationale
Phenytoin is an antiepileptic medication used to control seizures. It does not have a role in asthma management.
Choice D rationale
Furosemide is a loop diuretic used to treat conditions like edema and hypertension by promoting the excretion of excess fluid. It is not indicated for asthma management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Diphenhydramine is an antihistamine used to relieve allergy symptoms.
Choice B rationale
Codeine is a narcotic pain reliever and cough suppressant classified as a Schedule V controlled substance when combined with other antitussive medications.
Choice C rationale
Benzonatate is a non-narcotic cough suppressant that numbs the throat and lungs.
Choice D rationale
Guaifenesin is an expectorant and not a controlled substance.
Correct Answer is B
Explanation
Choice A rationale
Excretion is a phase of pharmacokinetics where the drug or its metabolites are eliminated from the body, primarily via the kidneys.
Choice B rationale
Phlebitis is inflammation of a vein and is not a phase of pharmacokinetics. It is a medical condition rather than a pharmacokinetic process.
Choice C rationale
Distribution is a phase of pharmacokinetics where the drug is dispersed throughout the body’s tissues and fluids after absorption.
Choice D rationale
Absorption is a phase of pharmacokinetics where the drug is absorbed into the bloodstream from the site of administration.
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