Function
Brain Chemistry
Medical Use
History
Scientific Importance
100

What do depressants do the the brain and nervous system?

 A) Speed up brain activity
 B) Slow down brain activity
 C) Have no effect on the brain
 D) Only affect muscles

 B) Slow down brain activity

100

Which neurotransmitter is most involved in the calming effects of depressants?
 A) Dopamine
 B) Serotonin
 C) GABA
 D) Adrenaline
 

 C) GABA

100

. Name two medical conditions that depressants are commonly used to treat.
 A) Anxiety and insomnia
 B) Diabetes and high blood pressure
 C) Cold and flu
 D) Broken bones and cuts

 A) Anxiety and insomnia

100

What were some early depressants used before safer drugs like benzodiazepines were developed?
 A) Caffeine and nicotine
 B) Alcohol and barbiturates
 C) Aspirin and ibuprofen
 D) Penicillin and antibiotics

 B) Alcohol and barbiturates

100

How can studying depressants help scientists?
 A) By teaching them how to make more dangerous drugs
 B) By showing how the brain balances excitement and calmness
 C) By increasing reaction time
 D) By improving muscle strength

 B) By showing how the brain balances excitement and calmness

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