The client is brought to the emergency department by a friend. The client is hypervigilant, has not slept in 3 days, has dilated pupils, has an apical pulse of 118, and has a runny nose. Which...

The client is brought to the emergency department by a friend. The client is hypervigilant, has not slept in 3 days, has dilated pupils, has an apical pulse of 118, and has a runny nose. Which substance should the nurse suspect the client is abusing?

1. Cannabis.

2. Heroin.