Which symptoms describe the short-term effects of methamphetamines? check all that apply. a. alertness b. fast heart rate c. anxiety irregular heartbeat d. sleeping disorders

The correct answer would be all four of them.

Methamphetamine is a stimulant which means it increases the activity of the central nervous system creating in the short term increased alertness, faster heart rate, anxiety and an irregular heartbeat and sleeping disorders. The effects of methamphetamine are short lived and once the central nervous system returns to a normal state of function the symptoms above will calm down.

all the above is what i would say