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Quality control checks are performed on glucometers to ensure that the

  1. Blood samples are collected properly

  2. Equipment is properly stored

  3. Readings are accurate for each individual

  4. Batteries are replaced regularly

The correct answer is: Readings are accurate for each individual

Performing quality control checks on glucometers is crucial to ensure that the readings are accurate for each individual using the device. This is essential for maintaining the health and safety of the individuals relying on the glucometer readings for their medical management. By regularly checking the accuracy of the readings, caregivers can help prevent potential errors in medication dosages or other treatments related to blood glucose levels. Therefore, choice C is the correct answer.