Drew's+synapse+HW

Synapses (2nd assignment of CONTROL FREAK)

Motor Neuron p.234

What is a motor neuron? They are neurons that control muscles

What is the name neurotransmitter released by motor neurons? Axon terminals contain synaptic vesicles that are filled with the neurotransmitter acetylcholine

How does botox prevent muscle contraction? It blocks the release of Ach into the the synaptic cleft

Cocaine p.268 What does cocaine interfere with at the synapses? It interferes witht the re uptake of dopamine

What is the effect? It relieves depression temporarily

Methamphetamine p.268 What neurotransmitter does meth resemble? dopamine

What is the effect? Temporary elevates the mood of the user

Heroin p. 268 Where is heroin derived? It is derived from the resin or sap of the opium poppy plant.

What is heroin converted to that can bind opiate receptors in the brain? Morphine

What do the opiate receptors do? Depres breathing, activate the reward circuit, black pain pathways, cloud mental function, and sometimes cause nausea and vomiting.

Marijuana p. 269 What is THC? tetrahydrocannabinol

What is anandamide? A neurotransmitter What is the relationship between THC and anandamide and cannabinoids? They are both cannabinoids

Why are the receptors that bind cannabidoids important? They are important for memory, orientation, balance, motor coordination, and perception

What does smoking THC cause? Mild euphoria, alterations in vision and judgment.