Theory & Evolution for
BSN Students 2026 | Study
Guide, Practice Questions
& Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
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Rationales
Included
, Empathy Understanding and sharing a patient's feelings.
Presence Being fully attentive and emotionally available to the
patient. 'Silence is therapeutic.'
Nursing Theory Interrelated concepts developed from various studies of
discipline and related disciplines.
American Nurses Association (ANA) States that nursing is the diagnosis and treatment of
human response to actual or potential health potentials.
International Council of Nurses (ICN) States that nursing encompasses autonomous and
collaborative care of individuals of all ages, families,
groups and communities, sick or well and in all settings.
Florence Nightingale Known as the 'founder of modern nursing' and led 38
nurses during the Crimean War in 1854.
Environmental Theory A theory that emphasizes the impact of the
environment on patient health.
Theory Set of accepted beliefs or organized principles that
explain a phenomenon.
Nursing Science States that nursing is an art and a science of caring for
individuals, families, groups and communities.
Palliative Care Providing comfort and addressing the physical,
emotional, social, and spiritual needs of patients with
serious illnesses.