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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).

Answer and Explanation

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.

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Correct Answer is D

Explanation

Choice A rationale

Lisinopril is an antihypertensive medication and is not classified as a controlled substance.

Choice B rationale

Naloxone (Narcan) is an opioid antagonist used to reverse opioid overdoses and is not a controlled substance.

Choice C rationale

Tetracycline is an antibiotic and not classified as a controlled substance.

Choice D rationale

Morphine is an opioid analgesic used for pain management and is classified as a controlled substance due to its potential for abuse and dependence.

A. Digoxin. B. Spironolactone. C. Furosemide. D. Captopril.

Correct Answer is C

Explanation

Choice A rationale

Digoxin is a cardiac glycoside used for heart failure and arrhythmias, not a diuretic.

Choice B rationale

Spironolactone is a potassium-sparing diuretic, preventing hypokalemia.

Choice C rationale

Furosemide is a loop diuretic that can cause hypokalemia by increasing potassium excretion.

Choice D rationale

Captopril is an ACE inhibitor used for hypertension and heart failure, not a diuretic.

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Which of the following medications is considered a controlled substance classified as Schedule V when mixed with other antitussive medications?

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