Exam 2: SUDs

Question 1

Caffeine

Answer 1

CNS stimulant
-boosts energy and mood

-Most widely used drug worldwide
-consumption higher in men

Question 2

Nicotine

Answer 2

Both stimulate and sedative
-Dopamine release
-frequent use builds tolerance

Question 3

Alcohol

Answer 3

Depressive

Withdrawl symptoms: tremors, anxiety, irritability, agitation
-severe forms of withdrawl= hallucinations

-Formication- sensation of having ants or bugs crawl all over body

-Delirium tremens (DTs)- disorientation, agitation, high BP, fever

Question 4

Marijuana

Answer 4

Can result in persistant memory loss, decreased attention/learning/motor movement
-Respiratory/cardiac problems

Withdrawl symptoms- anger, aggression, irritability, insomnia, anxiety, reslessness

Question 5

Amphetamine

Answer 5

CNS stimulant

Prolong wakefulness and suppress appetite
(ex: MDMA, meth)

-Puts adrenergic system into overdrive
-cardiac problems result
-rapid build of tolerance

-Most don’t use other substances

Question 6

Cocaine

Answer 6

CNS Stimulant

Stimulates reward pathways
-High doses result in hallucinations, aggressiveness, disorientation, tremors, seizures

-More male users

Question 7

Sedative Drugs

Answer 7

Barbituates and benzodiazepines
CNS depressants

Question 8

Barbituates

Answer 8

Act on GABA system, leads to disinhibition, euphoria, lower anxiety
-High doses can lead to impairment of memory and coordination, irritability, paranoia, suicidal thoughts

Question 9

Benzodiazepines

Answer 9

High doses lead to light-headedness, vertigo, muscle-control problems

-Over sedations and problems in thinking and social interactions
-Withdrawal symptoms similar to alcohol
-May die from depression of respiratory system