Which of the following statements is true? (5 points)

Question

Drugs are defined as any substance that has a physiological effect when introduced into the body.

A single drug can affect either the brain or the nervous system, but no existing drug impacts both.

Many drugs are safe and do not have any physiological effect when introduced into the body.

The definition of drugs does not include over-the-counter medications, alcohol, or tobacco.

Answer 1

The true statement among the options provided is:

Drugs are defined as any substance that has a physiological effect when introduced into the body.

This definition encompasses a wide range of substances, including prescription medications, over-the-counter drugs, alcohol, and tobacco, all of which can have physiological effects when introduced into the body.

The other statements are false for the following reasons:

• A single drug can impact both the brain and the nervous system; many drugs have effects on both areas.
• While some drugs may be considered safe in certain contexts, most substances classified as drugs will have physiological effects.
• The definition of drugs does include over-the-counter medications, alcohol, and tobacco.