Masks are essential in nursing for several reasons: 1. Preventing Infection Spread: Masks help to contain respiratory droplets that may carry infectious pathogens, thus reducing the risk of transmission. 2. Protecting Vulnerable Patients: Many patients in healthcare settings have compromised immune systems. Masks help protect these individuals from potential infections. 3. Ensuring Safety of Healthcare Workers: Nurses are frequently exposed to various infectious diseases. Wearing masks helps to safeguard their health, enabling them to continue providing care.