Question

which symptom describes a short - term effect of using methamphetamines?
alertness
slow heart rate
anxiety
sleeping disorders

Explanation:

Methamphetamine is a stimulant drug. In the short - term, it can cause increased alertness by stimulating the central nervous system. It typically increases heart rate, not causes a slow heart rate. While anxiety and sleeping disorders can be long - term or short - term effects, alertness is a more immediate and well - known short - term effect.

Answer:

alertness