UNIT 1 Hygiene Hygiene. 1. Introduction to Hygiene Hygiene refers to practices and conditions that help maintain health and prevent the spread of diseases. In nursing, hygiene plays a critical role in patient care, ensuring safety, comfort, and infection control. 2. Importance of Hygiene in Nursing 3. Types of Hygiene in Nursing a. Personal Hygiene b. Environmental Hygiene c. Food Hygiene d. Occupational Hygiene 4. Hygiene Practices in Nursing a.