Which of the following can result from using the same injection site repeatedly?

Using the same injection site repeatedly can lead to lipodystrophy, a condition characterized by changes in the body’s fatty tissue. When insulin or other medications are injected repeatedly into the same area, it can alter the local fat cells and lead to either hypertrophy (enlargement of fat tissue) or atrophy (loss of fat tissue). This disruption in the fatty tissue can affect how insulin is absorbed, leading to inconsistent therapeutic effects.

Therefore, it's crucial to rotate injection sites to minimize the risk of lipodystrophy, ensuring better and more predictable medication absorption while maintaining healthy tissue integrity. This understanding helps in administering insulin effectively and reduces complications associated with repeated use of the same site.