Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.
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The concept of active ingredient is fundamental in understanding the mechanism of action and therapeutic properties of drugs. In this context, an active ingredient refers to the main chemical constituent of a drug that possesses the capacity to exert a specific pharmacological effect. It is important to recognize the role of active ingredients in treating diseases and achieving desired therapeutic outcomes.
D. Treat disease.
The active ingredient in a drug is specifically selected for its ability to exert a therapeutic effect on a particular disease or condition. The active ingredient interacts with specific targets in the body, such as receptors or enzymes, to produce a desired therapeutic response. It is this active ingredient that is responsible for the treatment of diseases. Therefore, option D, “treat disease,” accurately describes the role of the active ingredient in a drug.