which statement best describes the relationship between the hypothalamus and the pituitary gland? a. the anterior pituitary gland makes hormones that are released by the hypothalamus b. the hypothalamus produces releasing hormones that promote the release of particular hormones from the anterior pituitary c. the hypothalamus produces releasing hormones that promote the release of particular hormones from the posterior pituitary d. the posterior pituitary sends nervous signals to the hypothalamus to prompt the release of hormones