Some substances are more toxic than others. The toxicity of a substance is described by the types of effects it causes and its potency. 1  Types of Effects: Different chemicals cause different effects.
I think I remember reading that injured means bruises and lascerations, seriously injured meant hospital but not life threatening, critically injured meant hospital ICU time and fatally injured meant injuries leading to dying sometime later.
Best Answer: Let's take this one word at a time. Stable is when a patients vital signs...blood pressure, pulse, respiration's and temperature are within their normal range and no immediate changes are expected. Critical is when the vital signs are irregular or not within their normal range.It implies unpredictability of vital signs and the patients condition could swing either way at any time. Death is a possibility depending on how much damage was done to the heart.ritical is when the vital signs are irregular or not within their normal range. It implies unpredictability of vital signs and the patients condition could swing either way at any time. Death is a possibility depending on how much damage was done to the heart.