The purpose of the crossmatch is to detect the presence of antibodies in the recipient against the red blood cells of the donor. These antibodies attach to the red blood cells of the donor after transfusion. An incompatible transfusion can result in a severe hemolytic anemia and even death.
Waffle Makers FAQs. Back To All FAQs. How much batter should I use for one waffle? We recommend 2/3 cup for the regular grid waffle baker and 3/4 cup for the Belgian grid waffle makers. How long should I preheat the waffle maker before cooking on it? At least five minutes. What temperature does the waffle maker reach and cook at? The waffle baker cooks at 400 degrees. Back To All FAQs
1 Add melted butter and mix. 2  Gently fold in beaten egg whites with a spatula. 3  Leave batter to rest for 20-30 minutes on a room temperature to give yeast time to rise. 4  Butter the waffle iron, pour about â cup of batter per waffle and bake until waffles are crisp and brown on the outside.