More here.

 

My brother is in medical school and just sent me this video. HILARIOUS.

 

[youtube]http://www.youtube.com/watch?v=CPF2F_HMbdw[/youtube]

[youtube]http://www.youtube.com/watch?v=6QFwo57WKwg&hd=1[/youtube]

More here.

 

From here.

 

[youtube]http://www.youtube.com/watch?v=OZLyUK0t0vQ[/youtube]

From here.

More here.

 

More here.

 

[youtube]http://www.youtube.com/watch?v=UZmLptCae1k&hd=1[/youtube]

More here.

 

From here.