Hyperglycemia occurs when the body does not produce or use enough insulin, which is a hormone that absorbs glucose into cells for use as energy.
I didn't see any multiple-choice or possible answers, so I can't be sure what the exact answer is, but here is a<u>list of hyperglycemia causes</u> so you can narrow down your search:
<u>Not using enough insulin or oral diabetes medication.
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<u>Not injecting insulin properly or using expired insulin.
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<u>Not following your diabetes eating plan.
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<u>Being inactive.
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<u>Having an illness or infection.
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<u>Using certain medications, such as steroids.</u>
The control group is usually the group in which none of their variables are changed. This group is used in order to compare it with the outcomes of the other groups.