A 70-year-old woman with dementia, Alzheimer's type, lives at home with her husband, who is her full-time caregiver. The nurse is teaching the husband about interventions to prevent injury. Which of the following suggestions would be most appropriate?
a. Put childproof caps on bottles containing cleaning fluids.
b. Put cleaning fluids on a high shelf.
c. Lock cleaning fluids in a cabinet in the kitchen.
d. Store cleaning fluids in plain bottles in the garage.