An acute toxicity refers to a poisonous state (and its adverse effects) that has a combination of the following aspects: It is sudden in onset It is severe in nature
But first, some definitionsâ¦. Medium rare steak is officially defined as steak cooked to an internal temperature of 135 degrees. 130 degrees will get you a rare steak, which isnât a bad choice if youâre dining on a gourmet steak from a quality steakhouse or ordered from Chicago Steak Company.
Medium Rare 145 F. 1  Cook on one side until moisture is just visible on top surface; 2  Turn once only; 3  Cook on the other side until surface moisture is visible;  Steak will be cooked to medium rare when it feels soft with back of 1  tongs; A meat thermometer will show the internal temperature of a medium rare steak as 145  F.