The most immediate and severe manifestation of immediate hypersensitivity reaction is : a-anaphylaxis , b- anaphylactoid, c- Itching, d- Sneezing?

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أفضل جواب: 1. Rescuers Protection: Hydrogen sulfide (H2S) is an extremely rapidly acting highly toxic gas. Fatalitie ... الإطلاع على المزيد