Fabricio has been at a music festival for three days. he has taken lsd each day for the past three days, but didn't get much of an effect yesterday, the third straight day he took lsd. his camp-mate surprises fabricio with some psilocybin mushrooms. "you go ahead, dude. those are wasted one me." fabricio responds. why did fabricio refuse the mushrooms?
a) he has developed a tolerance for hallucinogens that resemble serotonin
b) he does not like the nausea that the mushrooms cause
c) he has developed cross-tolerance for all hallucinogens

The correct answer is letter C.

Explanation:  LSD is a synthetic hallucinogen that causes mood swings and hallucinations. It is commonly consumed in nightclubs and parties and is therefore used most often by the teenage and young adult audience.

LSD is a very potent psychotropic substance and small doses are already capable of producing major changes in the body.

Frequent or long-term use of LSD is associated with the development of tolerance, in larger amounts of the drug are required to achieve the same effect. However, this tolerance quickly disappears after discontinuation of use.

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