Insulin is released when
1. blood glucose stays the same.
2. blood glucose increases.
3. blood glucose decreases.
4. glucagon increases.
Correct Answer: 2
Rationale 1: Insulin would not be released.
Rationale 2: Insulin is released when blood glucose increases.
Rationale 3: Glucagon is released when glucose decreases.
Rationale 4: Glucagon increases when insulin is not needed.
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