Final answer:
The signs of increased intracranial pressure (ICP) in Cushing's triad are hypertension, bradycardia, and irregular respirations.
Step-by-step explanation:
The signs of increased intracranial pressure (ICP) in Cushing's triad are hypertension, bradycardia, and irregular respirations (option 1). Cushing's triad is a clinical syndrome that occurs due to increased intracranial pressure and is characterized by these specific vital signs abnormalities. Hypertension refers to high blood pressure, bradycardia is a slow heart rate, and irregular respirations indicate abnormalities in the breathing pattern.