Which of the following medications is considered a controlled substance classified as Schedule V when mixed with other antitussive medications?
Diphenhydramine (Benadryl).
Codeine (Co-Caf).
Benzonatate (Tessalon Perles).
Guaifenesin (Mucinex).
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Furosemide is a loop diuretic that acts on the ascending limb of the loop of Henle, not the distal tubule.
Choice B rationale
Spironolactone is a potassium-sparing diuretic that works on the collecting ducts and late distal tubules, not the distal tubule.
Choice C rationale
Mannitol is an osmotic diuretic that acts on the proximal tubule and the descending limb of the loop of Henle, not the distal tubule.
Choice D rationale
Hydrochlorothiazide is a thiazide diuretic that works on the distal convoluted tubule, making it the correct answer.
Correct Answer is A
Explanation
Choice A rationale
Waiting at least 1 minute in between puffs of the same drug is recommended to allow the medication to be absorbed effectively into the lungs. This helps in achieving the optimal therapeutic effect and ensures that the second puff is not wasted. .
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