问题
单项选择题
The nurse is developing a teaching plan for a client with diabetes mellitus. A client with diabetes mellitus should （）.
A．use commercial preparations to remove corns.
B．cut toenails by rounding edges.
C．wash and inspect feet daily.
D．walk barefoot at least once each day.
答案
参考答案：C
解析：
Diabetic clients should wash their feet daily to allow for daily inspection of the feet. The client should wear nonconstrictive shoes. Corns should be treated by a podiatrist, not with commercial preparations. Nails should be filed straight across. Clients with diabetes mellitus should never walk barefoot.
畸形的遗传因素占病因的（）。