Question

which statement describes tobacco?

it is classified as an addictive drug.
it decreases heart rate and blood pressure.
there is a low risk of developing stroke.
it causes the level of dopamine in the brain to decrease.

Explanation:

Analyze the question

The question asks us to identify the statement that correctly describes tobacco.

Evaluate the first option

The first option states: "It is classified as an addictive drug." Tobacco contains nicotine, which is highly addictive. Therefore, this statement is correct. This relates to Nicotine Addiction Effects and Tobacco Use Impact.

Evaluate the second option

The second option states: "It decreases heart rate and blood pressure." Nicotine is a stimulant, which actually increases heart rate and blood pressure. Thus, this statement is incorrect.

Evaluate the third option

The third option states: "There is a low risk of developing stroke." Tobacco use significantly increases the risk of cardiovascular diseases, including stroke. Thus, this statement is incorrect.

Evaluate the fourth option

The fourth option states: "It causes the level of dopamine in the brain to decrease." Nicotine triggers the release of dopamine in the brain, which temporarily increases dopamine levels and creates a feeling of pleasure. Thus, this statement is incorrect.

Answer:

• It is classified as an addictive drug. (Correct answer)
• It decreases heart rate and blood pressure.
• There is a low risk of developing stroke.
• It causes the level of dopamine in the brain to decrease.