Had to post this:

http://news.bbc.co.uk/2/hi/europe/4653423.stm

Just how large is 'improbably large'? :D

was it the boobs that got her caught?

No bah,

It was the beard and hairy legs that got the exam officials suspicious.

From the article:
Correspondents say cheating is a major problem in Russia's universities and colleges, where bribery is commonplace.
From what I understand, that's a common problem Russians have in general.