Verified Answer :

Very large doses of depressants can slow the functioning of the nervous system, causing respiratory rates to become slower, resulting in coma and death.

Answer:

B. depressants.

Explanation:

Death by very large doses of depressants has happened before, but death by hallucinogens or cannabanoids are not that common.

Depressants are drug that are used to calm nerves and muscles, in other words, they depress the nervous system. They are used to treat anxiety or insomnia, because the patient need to calm down and be able to rest. The short term effects are:

  • Drowsiness (falling asleep at school or work)
  • Confusion
  • Headache
  • Lack of self-control
  • Dizziness
  • Impaired judgment and mental functioning
  • Nausea and vomiting
  • Memory loss

In addition, long term effect are:

  • Impaired sexual function
  • Insomnia and other sleep problems
  • Breathing problems
  • Convulsions (similar to seizures)
  • Depression and other mental health issues.

As you can see, the long term effect on depressants are high risk, having chances to even cause death.