National Registry of Certified Medical Examiners (NRCME) DOT Practice Exam

Which result is often the first indication of diabetes management issues?

1. Random blood glucose

2. Fasting blood glucose

3. HgbA1C

4. Liver Function Tests

The correct answer is: HgbA1C

The hemoglobin A1C test is a crucial indicator in diabetes management as it reflects the average blood glucose levels over the past two to three months. It provides a more comprehensive view of a person's glucose control compared to a single random or fasting blood glucose measurement. When a healthcare provider assesses diabetes management, the A1C level can reveal chronic hyperglycemia or fluctuations in blood glucose levels over time. An elevated A1C level typically signals that the current management plan may not be effective, thus prompting further investigation or adjustment of the treatment regimen. In the context of diagnosing and monitoring diabetes, this makes the A1C test a key metric, offering insights into long-term glucose management rather than just a snapshot of a particular moment. Random blood glucose and fasting blood glucose tests are useful for immediate assessments but can vary due to factors like recent food intake or stress, making them less reliable as indicators of ongoing management issues. Liver function tests, while relevant for overall health, do not directly assess glucose control and are not a standard measure for diabetes management.