Chapter 4 of the document discusses core competencies for nursing practice as outlined by various organizations, emphasizing the reciprocal relationship between competencies and nursing knowledge. It highlights the importance of critical thinking and clinical judgment in providing safe, effective care, and presents methods for developing critical thinking skills, including the nursing process, concept mapping, journaling, and group discussions. The document concludes that competency in nursing encompasses patient-centered care, professionalism, leadership, and other essential skills necessary for modern nursing.