Nursing is considered a profession based on specialized education and training aimed at providing skilled service with ethical components to others. It involves mastery of theoretical knowledge, problem-solving abilities, and use of knowledge in practice. Professional nursing values include commitment to serving patients with dignity, autonomy, and accountability. Nurses have independent functions like observation, documentation, and education, as well as dependent functions carrying out physician orders. Ethics are a key part of the profession focusing on principles like autonomy, beneficence, and confidentiality.