I think your characterisation of the narrator is good. She really has her own voice, and you keep it consistent. The only thing I found strange was the spiked water. Is the athletics champion realisticallly going to have vodka during a competition? I mean.
Well if your are going for Medical Assistant in school, go the CVS or Walgreens route. I say these because their is knowledgeable Pharmaceutical staff available and equipment available as well.