The etiology of mood disorders is known to have one single biologic causative factor

The principle of equifinality, or the concept of multiple pathways, means that

A. many risk factors might be involved in a disorder's etiology. B. disorders must always be explained in terms of many different risk factors. C. a diathesis must always be combined with some form of stress. D. the same risk factors can produce many different disorders.

Which of the following statements about a woman's breasts is TRUE?

a. breast size determines a woman's level of sensitivity to touch b. having large breasts is related to being able to have orgasms c. breast size is related to sexual responsiveness d. breast size is unrelated to sensitivity or sexual responsiveness