Final answer:
A sudden-onset altered mental status with a history of diabetes could indicate diabetic ketoacidosis (DKA). Symptoms of DKA include rapid pulse, cool and clammy skin, deep and rapid breathing, fruity-smelling breath, dry skin and mouth, flushed face, nausea, vomiting, and stomach pain.
Step-by-step explanation:
A sudden-onset altered mental status with a history of diabetes can be a sign of diabetic ketoacidosis (DKA). DKA is a serious complication of diabetes where the body produces high levels of ketones due to a lack of insulin. Symptoms of DKA can include rapid pulse, cool and clammy skin, deep and rapid breathing, fruity-smelling breath, dry skin and mouth, flushed face, nausea, vomiting, and stomach pain.