An Example of Antagonistic Hormones Controlling Homeostasis Is

Question

An example of antagonistic hormones controlling homeostasis is
A) thyroxine and parathyroid hormone in calcium balance.
B) insulin and glucagon in glucose metabolism.
C) progestins and estrogens in sexual differentiation.
D) epinephrine and norepinephrine in fight-or-flight responses.
E) oxytocin and prolactin in milk production.

Accepted Answer

Insulin and glucagon are antagonistic hormones that work together to maintain glucose homeostasis. Insulin promotes glucose uptake by cells, while glucagon stimulates glucose release from the liver. When blood glucose levels are high, insulin is released to bring levels back down. When blood glucose levels are low, glucagon is released to raise blood glucose levels. This system ensures that the body always has enough glucose for energy.