Which hormone is responsible for regulating blood glucose levels by stimulating glycogenolysis and gluconeogenesis in the liver?

A Insulin
B Glucagon ✓
C Adrenaline
D Growth Hormone

Explanation

Glucagon stimulates the breakdown of glycogen to glucose (glycogenolysis) and the synthesis of new glucose molecules (gluconeogenesis) in the liver, thereby increasing blood glucose levels.

Mnemonic

Glucagon = Glucose Generator

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Pancreatic Hormones Easy MEDICAL Confidence: high