Labels: Army Regulation, Army Reserve, DD214, service, Soldier. I agree that there is a need for a reserve/guard version of a DD214. For my 27 years of Navy service, all I have is a letter transferring me to the Retired Reserve.
6 Main Types of Chemical Reactions. 1  synthesis reaction. 2  decomposition reaction. 3  single displacement reaction. 4  double displacement reaction. 5  combustion reaction. 6  acid-base reaction.
There are four types of hypersensitivity reaction, classified according to the way in which the ALLERGEN or ANTIGEN activates the reaction. The classic allergic reaction is the type I hypersensitivity reaction, with exposure to an external substance (the allergen) initiating the IMMUNE RESPONSE.ymptoms vary with the type and severity of the hypersensitivity reaction. Itching and skin rash or URTICARIA (hives) are common with type I hypersensitivity reactions. Symptoms may involve the airways (allergic asthma) or gastrointestinal tract (food allergies).