This document presents a comprehensive analysis of a nursing case study involving three clients with different health conditions. The case study addresses a 72-year-old male with unstable blood glucose levels and a foot ulcer, exploring the causes of his symptoms, including hypoglycemia and delayed wound healing, and detailing the necessary interventions by nurses, dieticians, and diagnostic personnel. Another part of the case study focuses on a patient with urinary tract infection and stroke, analyzing the causes of her condition, including catheterization and transient ischemic stroke, and the required interventions. Finally, the case study examines a pregnant woman with cystic fibrosis, discussing the genetic inheritance of the disease, the impact on her respiratory system, and the management of her condition during pregnancy, emphasizing the roles of nurses, respiratory therapists, and physiotherapists. The document provides references to support the analysis and recommendations.