Evolve Diabetes Practice Test

What is a hallmark symptom of hypoglycemia that patients may report?

Shaking or sweating due to low blood glucose Headache and blurred vision Extreme thirst Nausea

Correct Answer:

Headache and blurred vision

Explanation:

When blood glucose drops, the body triggers a quick surge of adrenaline and other counterregulatory responses, which produce autonomic symptoms. Shaking, sweating, and a sense of anxiety or a rapid heartbeat are classic early warning signs that hypoglycemia is occurring. These autonomic symptoms are what people recognize first and what typically prompts them to check their blood sugar and treat with fast-acting carbohydrates. Headache and blurred vision can occur with low glucose, but they are less specific and not as reliably described as early indicators. Extreme thirst is more associated with high blood glucose, and nausea can happen in various situations, not specifically as the defining marker of hypoglycemia.

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