Final answer:
The Registered Nurse (RN) is typically responsible for the assessment, planning, and evaluation phases of the nursing process. CNAs and LPNs work under RN supervision and their roles are more focused on direct patient care. Nurse Practitioners can also perform these tasks, particularly in advanced practice settings.
Step-by-step explanation:
The roles of healthcare providers in the nursing process often dictate their level of responsibility in terms of assessment, planning, and evaluation. The Registered Nurse (RN) is typically responsible for more complex tasks such as these phases of the nursing process. While the Certified Nursing Assistant (CNA) and the Licensed Practical Nurse (LPN) work under the direct supervision of a registered nurse, their scope of practice usually involves providing direct patient care and assisting with the daily living activities of patients. In contrast, the RN focuses on more critical aspects that may involve reviewing patient history, developing care plans, and performing evaluations. In certain settings, Nurse Practitioners (NPs) also conduct these tasks, especially in advanced practice roles where they might diagnose and manage patient care independently.