Final answer:
The pancreatic hormone responsible for raising blood glucose levels is glucagon. It is produced by the alpha cells in the pancreatic islets when the blood glucose concentration is too low. Insulin, on the other hand, is produced by beta cells to lower high blood glucose levels.
Step-by-step explanation:
The pancreatic hormone that raises blood glucose concentration is B.) glucagon. When blood glucose levels decline, alpha cells in the pancreas release glucagon to raise blood glucose levels by increasing rates of glycogen breakdown and glucose release by the liver. In contrast, insulin is secreted by beta cells in the pancreas in response to elevated blood glucose levels, with the role of removing glucose from the blood and facilitating its uptake by body cells.
The endocrine hormones secreted by the pancreatic islets, including glucagon and insulin, are crucial for the homeostasis of blood glucose levels. Glucagon's role is to act when blood glucose levels are too low, causing the liver to convert stored glycogen into glucose, which then enters the bloodstream. In the case of high blood glucose levels, insulin is released to decrease the concentration of glucose in the blood.