This learning activity examines the essential role of Certified Nursing Assistants (CNAs) in pre-operative and post-operative patient care. It outlines the surgical journey and the CNA's responsibilities at each stage, including admission support, vital sign monitoring, pre-operative preparation, post-operative observation, complication prevention, and patient comfort measures. Through practical examples and clear guidance, the learning activity demonstrates how CNAs contribute to patient safety, comfort, and recovery while working within their scope of practice, emphasizing that attentive care and accurate observations directly impact surgical outcomes.