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NBME 21 Answers

nbme21/Block 4/Question#34

A healthy 8-year-old boy is brought to the ...

Stimulation of the release of biogenic amine neurotransmitters

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submitted by beeip(63),

"Excitatory amino acids" refers to glutamate, while "Biogenic" apparently refers to tyrosine, the precursor AA to dopamine and norepi.

sahusema  Amphetamines use the NE transporter (NET) to enter the presynaptic terminal, where they utilize the vesicular monoamine transporter (VMAT) to enter neurosecretory vesicles. This displaces NE from the vesicles. Once NE reaches a concentration threshold within the presynaptic terminal, the action of NET is reversed, and NE is expelled into the synaptic cleft +1  




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submitted by kolivera(1),

Biogenic amine NTs are: DA, NE, Epi, Histamine, & Serotonin





one does not simply “walk into morder”