Which hormone is responsible for the regulation of blood sugar levels during fasting?

A Insulin
B Glucagon ✓
C Cortisol
D Growth Hormone

Explanation

Glucagon raises blood sugar levels by stimulating glycogenolysis and gluconeogenesis during fasting.

Mnemonic

Glucagon = Glucose Generator

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Metabolic Endocrinology Glucose Homeostasis Medium MEDICAL Confidence: high