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.
Association [APA], 2000) specifically defines a trauma as. direct personal experience of an event that involves actual or threatened death. or serious injury, or other threat to oneâs physical integrity; or witnessing an. event that involves death, injury, or a threat to the physical integrity of another. person; or learning about unexpected or violent death, serious harm, or threat. of death or injury experienced by a family member or other close associate. (Criterion A1).