Which of the following statements is true regarding the inspection of visible wastes, drains, and vents?

The statement that all visible wastes, drains, and vents should be inspected is accurate because a comprehensive inspection of these components is crucial for identifying potential issues within the plumbing system. Visible wastes, drains, and vents play an essential role in a building's plumbing and drainage system. Inspecting them allows the inspector to identify signs of leaks, blockages, damage, or deterioration that could lead to further plumbing problems or health hazards.

In a thorough home inspection, evaluating the condition of these systems ensures compliance with local building codes and standards. Additionally, visible signs such as corrosion or water stains around these fixtures indicate possible underlying problems that may not be immediately apparent, thus requiring further inquiry or specialized inspections. This holistic approach to inspecting all visible aspects helps homebuyers and property owners understand the condition of essential plumbing mechanisms that are crucial for the smooth operation of a building's structure.