Four Stages in the Process of Balancing Glucose Levels in the Blood

Multiple Choice

Four stages in the process of balancing glucose levels in the blood are highlighted by letters in the figure below.

Which of the following statements is the most appropriate description for item C in the diagram above?

A) Glucose levels below the set point cause the pancreas to release glucagon.
B) Glucose levels below the set point cause the pancreas to release insulin.
C) Glucose levels below the set point cause the pancreas to release glucose.
D) Insulin levels above the set point cause the pancreas to release glucose.