Arizona Real Estate License Practice Exam

Deterioration can be classified as curable or incurable based on whether the issues can be feasibly corrected, often in terms of cost and practicality. In the context of the options provided, a furnace that is too small for the size of the home represents a scenario where improvement is achievable and practical.

When a furnace is undersized, it can lead to inadequate heating, which is a common issue that can be resolved by replacing it with a properly sized unit. This type of deteriorative condition is typically seen as curable because it involves a straightforward solution that can be implemented without excessive costs or structural changes.

In contrast, the other examples involve more significant structural issues or alterations. Collapsing basement walls indicate major foundational problems that may require extensive and costly repairs, making this scenario less likely to be classified as curable. A railroad track across the street is a fixed external factor that can't be altered by the homeowner, and therefore would not be considered curable. Lastly, a steep, narrow staircase might pose safety issues but would also require significant renovation to modify or replace, aligning it more with incurable deterioration.

In summary, the option regarding the furnace is deemed curable because it addresses a manageable improvement that can be made relative to the