Which of the following are contraindications for nail services?

The choice identifying infections, open wounds, and certain skin conditions as contraindications for nail services is correct because these conditions pose significant health risks both to the client and the technician. Nail services often require close contact with the skin and nails, and any existing infections or wounds may lead to further complications such as the spreading of infection. Additionally, certain skin conditions can exacerbate irritation or result in adverse reactions during the service.

Providing nail services in the presence of such contraindications can not only put the client at risk but also the technician, who may be exposed to harmful pathogens. Ensuring that both the client's nails and surrounding skin are healthy is critical for maintaining safety and hygiene standards in any nail service setting.

In contrast, healthy nails and cuticles, regular nail growth without issues, and even dry skin and brittle nails (while they may need some attention) do not inherently prevent the administration of nail services. These conditions could be managed with appropriate treatments but do not pose the same immediate health risks as infections or wounds.