Oxytocin is responsible for causing contractions of uterine smooth muscle during labor. preventing the formation of goiters. preventing release of insulin from the pancreas. milk production by the mammary glands. regulating blood calcium levels.

the correct option is:

a. causing contractions of the uterine smooth muscle during childbirth.

Explanation:

The question is: what is oxytocin responsible for?

a. causing contractions of the uterine smooth muscle during childbirth.

Oxytocin is responsible, being this the correct answer.

b. prevents the formation of goiters.

Thyroid hormone regulates this process.

C. Prevent the release of insulin from the pancreas.

Hormones epinephrine and norepinephrine.

d. milk production by the mammary glands.

It is prolactin who is responsible for this process

e. regulating blood calcium levels.

They are the parathormone and calcitonin.