If a rat required a high rate of insulin infusion to maintain a specific blood glucose level, then you could conclude that it is:

The correct answer is: diabetic.

Explanation:

There are several species where diabetes can manifest, like rats, dogs, and humans. Diabetes Mellitus is a condition characterized by hyperglycemia (high blood sugar levels) and can lead to many complications that are life-threatening to the patients. This hyperglycemia can be caused by a variety of reasons, but they all include an insufficient reach of insulin (the most important hormone in blood sugar regulation) to the target organs - sometimes this occurs because the pancreas can't produce insulin, other times it's because the organs cannot receive it.

In patients in which insulin is NOT produced by the body, the administration of exogenous insulin is required for their survival - this seems to be the case with the rat mentioned in the case. This rat is an insulin-dependent diabetic.

your answer should be c) enjoy!

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