BIOLOGICAL recreational drugs

Question 1

explain the term ‘mode of action’

Answer 1

what potential action can be triggered in different neurotransmitters

Question 2

what are some effects of alchohol

Answer 2

• memory loss
• depression
• weight gain
• liver damage
• stroke

Question 3

what is the acronym to rememer alcohols mode of action

Answer 3

GIN

Question 4

what are the mode of actions for alcohol

Answer 4

• makes Gaba - slow down speed with which messages are transmitted between neurones
• reduces effects of Inhibitory mechanism - ensures that we behave in a socially acceptable manner
• anaethistises the nerve endings of Noradrenaline synapses - slows down the effectivness of the reflexes

Question 5

what are some effects of heroin

Answer 5

• floods the brain with dopamine
• analgesia
• depresses respiration
• slows movement of food through the intestines

Question 6

what is the acronym for heroins mode of action

Answer 6

GOD

Question 7

what are the mode of actions for heroin

Answer 7

• inhibits the action of Gaba - enters the bloodstream and is hydrolysed into morphine (binds to opioid receptors)
• Opioid receptors - concentrated in the reward pathway
• once gaba is inhibited, Dopamine floods the synaptic gap - activates the reward system - euphoria

Question 8

what are some effects of nicotine

Answer 8

• increases heart rate and blood pressure
• reduces stress
• suppresses appetite for carbohydrates
• ADDICTION

Question 9

what is the acronym for nicotine mode of action

Answer 9

SAD

Question 10

what are the mode of actions for nicotine

Answer 10

• Sympathetic nervous system activated - adrenaline produced
• Acetylocholine synapses activated - makes synaptic transmitter easier
• increases Dopamine in reward pathway - generates positive feelings that act as a reinforcer