Final answer:
Ginkgo biloba may increase the risk of bleeding and must be taken with caution, especially if the individual is already taking medications that affect bleeding or blood clotting.
Step-by-step explanation:
Ginkgo biloba may increase the risk of bleeding. It is important to note that herbal supplements can have side effects and interactions with other medications. In this case, the nurse should inform the client about the potential risks of taking ginkgo biloba, especially if the client is already taking medications that affect bleeding or blood clotting.