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 A
Explanation
Choice A rationale
Cyclobenzaprine is commonly prescribed for the relief of muscle spasms related to acute musculoskeletal conditions. It is a muscle relaxant.
Choice B rationale
This choice is incorrect as cyclobenzaprine is not used for malignant hyperthermia. Dantrolene is the medication used for this condition.
Choice C rationale
Cyclobenzaprine is not indicated for spasticity related to cerebral palsy, spinal cord injury, or multiple sclerosis. Other medications like baclofen or dantrolene are used for these conditions.
Choice D rationale
Not all the above choices are correct; hence this is incorrect. .
Correct Answer is A
Explanation
Choice A rationale
Metoprolol is a beta-adrenergic blocker that works by decreasing heart rate, myocardial contractility, and cardiac output. It is commonly used to treat hypertension by reducing the workload on the heart and lowering blood pressure.
Choice B rationale
Nitroglycerin is a vasodilator that is used to treat angina by dilating blood vessels and improving blood flow to the heart. It does not have the same mechanism of action as beta-adrenergic blockers.
Choice C rationale
Losartan is an angiotensin II receptor blocker (ARB) that helps relax blood vessels and lower blood pressure. It does not directly decrease heart rate or myocardial contractility like beta-adrenergic blockers.
Choice D rationale
Metformin is an oral hypoglycemic agent used to manage type 2 diabetes by improving insulin sensitivity and reducing glucose production in the liver. It is not used to treat hypertension and does not have the same mechanism of action as beta-adrenergic blockers.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.