Which Is an Accurate Statement Regarding Oxytocin Release from the Posterior

Which is an accurate statement regarding oxytocin release from the posterior pituitary gland?

A) oxytocin released into the bloodstream leads to contraction of the mammary glands
B) astrocytic processes between magnocellular neurons must be present for synchronous firing to occur
C) magnocellular neurons fire action potentials in response to milk release from mammary glands
D) gap junctions between magnocellular neurons disappear shortly after a rat gives birth to a litter of pups
E) all of the above are accurate statements