Which of the following best describes the improper use of common drugs that can lead to dependence or toxicity?

Question

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Drug misuse is the improper use of common drugs that can lead to dependence or toxicity. Drug abuse is the continuous or periodic self-administration of a drug that could result in addiction (physical dependence). Drug dependency is the inability to function unless under the influence of a substance; it may be psychological or physical. Habituation is a form of psychological dependency on a substance but without physiologic dependence, such as the need for tobacco.

Which of the Following Best Describes the Improper Use of Common