What should the practitioner do if a client with acrylic nails has a broken, red, and sore fingernail?

The appropriate course of action for a practitioner when dealing with a client who has a broken, red, and sore fingernail is to apply nail strengthener and sculpt the nail. This approach allows the technician to address the damage while also offering the client immediate relief and support to the affected nail. Nail strengtheners can help fortify the nail and encourage healing, which is essential in a situation where the nail is compromised. Sculpting the nail can involve providing a protective covering or a repair that will help prevent further damage while still allowing the client to enjoy the aesthetic benefits of their acrylic nails.

By choosing this method, the practitioner is demonstrating care and professionalism. This option promotes the health of the client's natural nail and accommodates their desire to maintain a polished appearance, rather than suggesting more drastic measures like removing the entire set of nails, which could be unnecessary and distressing for the client.