Answer:
Drug reactions are occured when cells in ur nody react to the shbstance which causes a allergby reaction
Found this online hope it helps!
Encontró esta esperanza en línea que ayuda!
http://www.un.org/esa/socdev/unyin/documents/ch04.pdf
I did not write this, please dont give me credit for document.
<span>No escribí esto, por favor, no me dan crédito por el documento.</span>
<span>Michael n. Presents to the emergency department complaining of chest pain, nausea, and shortness of breath. The
diagnosis test ordered for this patient is a (n) </span><span><span>electrocardiogram</span>, a test that records electrical activity
of his heart.</span>