Answer :
Final answer:
A beneficial effect of a drug is known as a therapeutic effect, which refers to the positive outcomes the medication provides for its intended use. In contrast, adverse effects are harmful, while systemic and local effects pertain to how the drug influences the body in more general or specific areas. Therefore, the answer to the question is therapeutic effect.
Explanation:
Understanding Drug Effects
In pharmacology, a beneficial effect of a drug is referred to as a therapeutic effect. This effect describes the intended and positive outcomes that a medication provides when used for its prescribed purpose. For example, when a patient takes an antibiotic to treat an infection, the reduction or elimination of the infection is considered a therapeutic effect.
In contrast, other options provided in the question mean different things:
- Adverse effect: This refers to any undesirable or harmful effect of the drug, such as side effects that may occur.
- Systemic effect: This describes how a drug affects the entire body, which may include both therapeutic and adverse effects.
- Local effect: This pertains to the impact of a drug in a specific area of the body, such as a topical cream applied to a rash.
Thus, the correct choice for the beneficial effect of a drug is the therapeutic effect.
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