Answer:
E) Prostaglandins
Step-by-step explanation:
In Veterinary Medicine (Eleventh Edition), 2017 book it is mentioned that when bacteria release pyrogens it abrupt the functioning of Interleukin-1 which is responsible for fever. It increases the synthesis of prostaglandins in hypothalamus which disrupts the thermostatically set point and initiate mechanism of vasoconstriction and shivering thermogenesis until the body temperature reached to hypothalamus set point.