Nurse

While both roles are essential in healthcare, PAs have a more diagnostic and treatment-focused role, whereas nurses provide holistic care to patients.A Physician Assistant is trained to work closely with doctors in diagnosing illnesses, performing medical procedures, assisting in surgeries, and providing clinical support. They are more involved in medical decision-making and function as doctor extenders rather than independent caregivers. In contrast, Nurses primarily focus on patient care and comfort, including tasks like administering medication, monitoring vital signs, and educating patients about their health. Nurses typically follow standard care protocols and work in shifts, whereas PAs are involved in case management, medical procedures, and follow-up care under a doctor's supervision. 

No, KEAM is no necessity for following the nursing courses. KEAM is mainly an entrance to pursue engineering courses and architecture courses besides the medical fields of Kerala state. For following the nursing course such as B.Sc Nursing universities and nursing colleges will conduct a test or, generally, gives admissions based upon Class 12 marks. Most institutions accept a national level examination known as NEET for gaining nursing admissions. It is, therefore, recommended to check on the specific requirements of admission by the nursing colleges one is interested in, since each college has different eligibility criteria.