synapses

Motor Neuron p.234 What is a motor neuron?

What is the name neurotransmitter released by motor neurons? dopamine How does botox prevent muscle contraction?

Cocaine p.268 What does cocaine interfere with at the synapses? cocaine blocks the dopamine transporters trapping them in the synapse. What is the effect? the dopamine is trapped in the synapse and keeps a happy feeling. Methamphetamine p.268 What neurotransmitter does meth resemble? dopamine What is the effect? it takes the place of the natural dopamine and kicks them out into the synapse.

Heroin p. 268 Where is heroin derived? from poppy seeds. What is heroin converted to that can bind opiate receptors in the brain? they are converted to morphines. What do the opiate receptors do? they release dopamine inhibitors.

Marijuana p. 269 What is THC? the chemical in the plant that inhibits the inhibitor of the release of dopamine. What is anandamide? The natural inhibitor of dopamine. What is the relationship between THC and anandamide and cannabinoids? THC mimics anandamide and the cannabinoids are the receivers. Why are the receptors that bind cannabidoids important? because they block the dopamine blockers What does smoking THC cause? the dopamine inhibitors get inhibited