For smokers who successfully give up cigarettes, the risks of coronary heart disease and stroke return to that of never smokers after a period of roughly ____ years

Psychodynamic theorists explain obsessive-compulsive personality disorder as a fixation at the:

A) oral stage. B) anal stage. C) phallic stage. D) genital stage.

A person would have the LEAST difficulty in classifying which of the following plants as a tree?

a. magnolia b. bonsai tree c. oak d. palm