from looking at my tongue it is actually white all over but more in the middle and back. If i could make an anology, i would say there is white grass/hair growing on my tongue, and when I scrape it off it just gets shorter, as if i was mowing the lawn or shaving my head. There is no bleeding, just shortening of the white stuff. Is this oral thrush?
Oral thrush is very possible, classic white layer that can be whiped off. Check in with a dentist to get you some antifungals.
http://i68.photobucket.com/albums/i38/tdmdxc/Photo12.jpg
This is the picture of my tongue, my school nurse said it looks normal and is not thrush, maybe just a little white because of dehydration, excessive drinking, etc. Does this look like thrush?
I would agree with your nurse, the picture you provided does not show anything to be concerned about. :)