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 A
Explanation
Choice A rationale
Dantrolene is used to treat malignant hyperthermia, a rare life-threatening condition usually triggered by certain anesthetics or muscle relaxants.
Choice B rationale
Although dantrolene is used to treat muscle spasticity, the indication in this question is specifically about malignant hyperthermia, making this choice not the most appropriate.
Choice C rationale
Dantrolene is not typically used for general pain management. Its primary use is in malignant hyperthermia and severe spasticity.
Choice D rationale
While reducing muscle stiffness can be a result of its spasticity treatment, malignant hyperthermia is a more specific and critical use of dantrolene.
Correct Answer is B
Explanation
Choice A rationale
Malignant tumors do spread into or invade nearby tissues. This invasive nature allows cancer cells to spread to other parts of the body through the blood or lymph systems.
Choice B rationale
Benign tumors do not spread into or invade nearby tissues. They may grow larger but do not spread to other parts of the body. Benign tumors can be serious if they press on vital structures such as blood vessels or nerves.
Choice C rationale
Benign tumors do not spread and invade nearby tissues. This statement is incorrect and contradicts the true nature of benign tumors.
Choice D rationale
There is a difference between benign and malignant tumors. Malignant tumors are cancerous and invade nearby tissues, whereas benign tumors do not.
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