What is the main effect of glucagon on blood glucose concentration?

1. A Option A: It raises blood glucose by stimulating glycogen breakdown in the liver
2. B Option B: It lowers blood glucose by increasing uptake into muscle
3. C Option C: It converts glucose into fat in adipose tissue
4. D Option D: It has no effect on blood glucose

Answer checked 11 October 2026 · How we write and check questions