False. Others can be affected if someone were to get in a car crash when under the influence.
Symptomatic treatment, supportive care, supportive therapy, or palliative treatment is any medical therapy of a disease that only affects its symptoms, not the underlying cause.
All of these but the nosebleeds seem correct, but something much stronger like cocaine can cause nosebleeds.
But if you want just ONE answer 'impaired memory and learning' seems like the best one to pick because that is one of the most noticeable signs of marijuana use.
This website talks about the symptoms of use, I trust its accuracy:
https://www.webmd.com/mental-health/addiction/marijuana-use-and-its-effects#1
