Catecholamine excess has what effect on glucose metabolism?

Catecholamine excess has what effect on glucose metabolism?

• A. Hypoglycemia
• B. Hyperglycemia
• C. Normoglycemia
• D. No effect

Answer: (B)

Catecholamines raise blood glucose to provide quick energy during stress. They stimulate glycogen breakdown in the liver, increasing hepatic glucose output, and they promote gluconeogenesis. They also tend to suppress insulin release while boosting glucagon, all contributing to higher blood glucose levels. So the typical metabolic outcome with catecholamine excess is hyperglycemia. Hypoglycemia or no effect isn’t consistent with these actions, and normoglycemia would miss the glucose-boosting response seen in adrenergic excess.

Catecholamines raise blood glucose to provide quick energy during stress. They stimulate glycogen breakdown in the liver, increasing hepatic glucose output, and they promote gluconeogenesis. They also tend to suppress insulin release while boosting glucagon, all contributing to higher blood glucose levels. So the typical metabolic outcome with catecholamine excess is hyperglycemia. Hypoglycemia or no effect isn’t consistent with these actions, and normoglycemia would miss the glucose-boosting response seen in adrenergic excess.