Question

which set of symptoms describes the short - term effects of amphetamines?
detached, dream - like state
fast heart rate with extreme alertness and high energy
feelings of relaxation or anxiety with possible hallucinations
altered senses with difficulty in thinking and impaired memory

Explanation:

Amphetamines are stimulants that increase the release of certain neurotransmitters. They typically cause a fast heart - rate, extreme alertness, and high energy in the short - term. A detached, dream - like state is more associated with dissociative drugs. Feelings of relaxation with possible hallucinations are not typical short - term amphetamine effects. Altered senses, difficulty in thinking, and impaired memory are more common with drugs like marijuana or hallucinogens.

Answer:

fast heart rate with extreme alertness and high energy