You have been testing a new substance. You are not sure what this drug is, but note that it increases heart rate and blood pressure, the animal appears to be more attentive, and the animal appears to be developing a dependence on the substance. You are sure the substance must be a(n) __________.

A) depressant
B) stimulant
C) hallucinogen
D) opiate

Blood Pressure

The pressure of circulating blood against the walls of blood vessels, crucial for maintaining the body’s circulatory function.

Stimulant

A substance that increases physiological or nervous activity in the body, improving alertness, attention, and energy.

Dependence

A state in which an organism can only function normally in the presence of a particular substance, leading to physical or psychological withdrawal symptoms.