When developing a plan of care for a client admitted to the psychiatric unit following aspiration of a caustic material related to a suicide attempt, which nursing problem has the highest priority?

A) Aspiration of a caustic material can lead to respiratory distress or compromise, making addressing breathing difficulties the priority. B) While this is a concern, addressing the immediate physiological threat to life takes precedence. C) This is important to address in the long term, but the immediate priority is ensuring the client's physiological stability. D) While comfort is important, it is not as critical as addressing potential respiratory compromise following aspiration of a caustic material.