Wow, way to hyperbolize my statement that she should have at least been shown as giving some thought to her studies. And of the many medical students I've known, the nature of the training does force you to be pretty monomaniacal, because you really aren't given the opportunity or time to do much of anything else. See Tish's comment to Martha in TLE: 'Wow, two nights out in a row. That's dangerously close to a social life.'

If you're determined to take offense on behalf of a fictional character who essentially decided to play an extended bout of (ostensibly) consequence-free hooky, then so be it.