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Old 09-06-2015
sohag100 sohag100 is offline
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Default Remembered USMLE Questions 107

A 32 year old woman presents to the clinic for her regular yearly physical examination. She has a long history of depression and takes fluoxetine regularly for two years.
Which amino acid is the precursor of the neurotransmitter affected by this drug?
A- Glycine
B- Glutamate
C- Methionine
D- Phenylalanine
E- Tryptophan
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