Final answer:
The main tasks of most hospital registered nurses include taking patient vitals, administering medications, and updating patient records, with taking patient vitals being one of their fundamental and daily responsibilities.
Step-by-step explanation:
The daily tasks performed by most hospital registered nurses include a range of duties, primarily focused on patient care. Among these tasks, one of the fundamental responsibilities is taking patient vitals, which is essential for monitoring patients' health and for making informed medical decisions. The process of taking vitals involves measuring and recording various physiological indicators such as blood pressure, temperature, pulse, and respiration rates. Furthermore, registered nurses often have the task of administering medications, which requires a deep understanding of drug interactions, patient history, and the specifics of each medication being administered. While assisting with surgeries can be a part of a registered nurse's responsibilities, it is not as commonplace as the other tasks mentioned. Lastly, updating patient records is a critical part of a nurse's day, as it ensures the continuity of care and effective communication among healthcare professionals.