agonists vs. antagonists

antagonist

Clostridium botulinum

it blocks the release of acetylcholine from presynaptic membrane

how is Clostridium botulinum an antagonist

agonist

Selective Serotonin Reuptake Inhibitors (SSRIs)

they reduce the absorption of serotonin, ultimately increasing the amount of serotonin in the synapse

how are SSRIs agonists

antagonist

Clostridium tetani

it prevents the release of GABA and glycine

how is Clostridium tetani an antagonist

dopamine agonist

L-dopa

antagonist

caffeine

it blocks the adenosine receptor

how is caffeine and antagonist

agonist

nicotine

it binds to nicotinic acetylcholine receptors

why is nicotine an agonist

agonist

muscarine

it binds to muscarinic acetylcholine receptors

how is muscarine an agonist

agonist

opioids

they bind to opioid receptors and act as the bodies’ pain relief

how are opioids agonists

agonist

crystal meth

it increases the release of dopamine, serotonin, and norepinephrine

how is crystal meth an agonist

agonist

Adderall

it increases the release of dopamine, serotonin, and norepinephrine

how is Adderall an agonist

agonist

ethanol

it acts as GABA in the brain

how is ethanol an agonist