Final answer:
The intervention that should be included in Mrs. Veech's teaching plan regarding foot care is to wear elastic stockings to improve circulation.
Step-by-step explanation:
The intervention that should be included in Mrs. Veech's teaching plan regarding foot care is to wear elastic stockings to improve circulation.
Patients with diabetes are at increased risk of foot complications due to poor circulation. Wearing elastic stockings can help improve blood flow and reduce the risk of foot problems.
Other interventions mentioned in the options, such as using a pumice stone, filing toenails straight across, and applying dry powder, can actually increase the risk of injury and infection for individuals with diabetes.