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Registered Dietitian

Category - Nutrition Care

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Which of the following is true of early morning hyperglycemia in diabetics?

It is caused by increased pre-dawn secretion of growth hormone
It is known as the “dawn phenomenon”
It may coincide with a decline in the activity of evening insulin
All of the above

Explanation

Answer: D - Early morning hyperglycemia, known as the “dawn phenomenon”” is caused by early morning secretion of growth hormone, and may coincide with a drop in the action of insulin administered in the evening. It can be differentiated from other types of hyperglycemia by checking the blood sugar at 3 AM; a normal blood glucose value indicates that hyperglycemia is due to the early morning activity of growth hormone. The dawn phenomenon is treated by adjusting the evening dose of insulin, which counters the effect of growth hormone.

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