This report presents a detailed nursing diagnosis case study of a 72-year-old male, Mr. X, admitted with an exacerbation of COPD. The paper focuses on two nursing diagnoses: ineffective airway clearance and activity intolerance. It covers comprehensive aspects including assessment, diagnosis, planning, implementation, and evaluation for each diagnosis. The assessment phase involves observing the patient's breathing patterns, sputum production, and vital signs. The diagnosis is based on these observations, identifying the patient's difficulties. The planning phase outlines nursing interventions such as breathing exercises, hydration, and medication administration. Implementation describes how these interventions are executed. Evaluation assesses the effectiveness of the interventions. The report also includes discussions on multi-disciplinary teams, legal, and ethical standards, referencing the Consent to Medical Treatment and Palliative Care Act 1995 and the ICN code of ethics, ensuring patient confidentiality and adherence to ethical principles. The assignment follows the provided structure, APA referencing, and adheres to the word limit, as requested.