What drug enhances the output of respiratory tract fluid by reducing the adhesiveness and surface tension of the fluid which facilitates the removal of viscous mucus?
Guaifenesin.
Dextromethorphan.
Acetylcysteine.
Flunisolide.
The Correct Answer is A
Choice A rationale
Guaifenesin is an expectorant that increases the output of respiratory tract fluid by reducing the adhesiveness and surface tension of the mucus, facilitating the removal of viscous mucus.
Choice B rationale
Dextromethorphan is a cough suppressant that works on the cough center in the brain to reduce the urge to cough. It does not enhance the output of respiratory tract fluid.
Choice C rationale
Acetylcysteine is a mucolytic that breaks down the chemical structure of mucus molecules, making the mucus less viscous, but it does not enhance the output of respiratory tract fluid by reducing adhesiveness.
Choice D rationale
Flunisolide is an inhaled corticosteroid used to reduce inflammation in the airways. It does not enhance the output of respiratory tract fluid.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Reassuring the client without addressing the persistent cough would not be appropriate as it may signal a need for a different medication. The ACE inhibitor captopril can cause a bothersome, persistent cough in some patients due to increased bradykinin levels.
Choice B rationale
Instructing the patient to stop the medication immediately is not advised without consulting the healthcare provider. While the cough is a known side effect, stopping the medication abruptly may lead to unmanaged hypertension.
Choice C rationale
Scheduling an appointment with the provider to discuss changing to an angiotensin II receptor blocker (ARB) is appropriate. ARBs do not typically cause a persistent cough, making them a suitable alternative for patients who experience this side effect with ACE inhibitors.
Choice D rationale
Instructing the patient to go to the emergency room immediately is unnecessary as the persistent cough is a common side effect of ACE inhibitors and not an emergency situation. Emergency action is warranted for symptoms of angioedema, such as swelling of the face or throat.
Correct Answer is A
Explanation
Choice A rationale
Barrier contraceptives are recommended for women taking HMG-CoA reductase inhibitors due to the potential teratogenic effects of these drugs. This precaution is crucial as these medications can cause fetal harm if used during pregnancy.
Choice B rationale
While ophthalmic examinations may be important for other medications, they are not a primary concern for HMG-CoA reductase inhibitors. These drugs mainly affect cholesterol synthesis and have less direct impact on vision.
Choice C rationale
Although a cholesterol-lowering diet is beneficial, it is not the primary teaching point when discussing HMG-CoA reductase inhibitors. The emphasis should be on medication adherence and managing potential adverse effects.
Choice D rationale
Reporting respiratory symptoms is important for many medications but is not the primary focus for HMG-CoA reductase inhibitors. The priority is to inform patients about the importance of contraception and potential side effects related to the medication.
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