Which of the following steps of the nursing process includes gathering information from a client who requires medical treatment?

A. Implementation is the phase in which nursing interventions are carried out based on the care plan. It does not involve gathering data. B. Evaluation involves determining whether the client's goals and outcomes have been met after interventions have been implemented. C. Assessment is the first step of the nursing process and involves collecting data about the client's health status through observation, interviews, and physical examination. D. Outcomes identification involves setting measurable and achievable short- and long-term goals based on the data gathered during the assessment phase.