Final answer:
The nurse should wear gloves to prevent the spread of infection during the physical examination of a postpartum client.
Step-by-step explanation:
The nurse must wear gloves during the physical examination of a postpartum client to prevent the spread of infection. Gloves serve as a physical barrier, reducing the risk of transmitting pathogens between the healthcare provider and the client. It is a critical component of personal protective equipment (PPE), as healthcare professionals are frequently exposed to bodily fluids and potentially infectious materials. Therefore, during any patient contact, the use of gloves is essential for infection control purposes, supporting the health and safety of both the patient and the healthcare provider.