Question

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

Explanation:

Methamphetamine is a stimulant. Stimulants can cause increased alertness in the short - term. Slow heart rate is not a typical short - term effect as stimulants usually increase heart rate. Anxiety and sleeping disorders can be long - term effects.

Answer:

alertness