Exposed

Adjective

(usually followed by to) Vulnerable, susceptible.
exposed to abuse; exposed to danger

2014-04-21, Subtle effects, Manganism has been known about since the 19th century, when miners exposed to ores containing manganese, a silvery metal, began to totter, slur their speech and behave like someone inebriated....Nowadays workers are exposed to far lower doses and manganism is rare.

Verb

exposed
(past of expose)