Lonelygirl15

Blood samples are not taken from deltoid muscle area. Blood is usually taken from the inside bend at the elbow. The spot where she had tape and gauze on her arm would indicate an injection of some sort.

I think allixpeeke is right on track. They are obviously portraying her as someone with a deep appreciation of science. A great example of this is how she tells two stories in the episode titled "Daniel Returns, and More Interesting Factoids (Yay!)" one story is from Stephen Hawking and the other is ...