Glucagon is described as a hormone that is

1. Glucagon stimulates glycogenolysis in the liver. 2. That breakdown releases glucose into the blood. 3. The result is an increased blood sugar, which this is called hyperglycemia. 4. So glucagon is a hyperglycemic hormone, and insulin does the opposite. 5. Reversing the pair is the error behind most wrong answers in this section. _Source: syllabus Biology Ch19 'Chemical Coordination and Integration', section 19.2.8_