The _____ is a structure in the brain stem responsible for life-sustaining functions, such as breathing and heart rate

According to Piaget, children are first able to __________ in middle childhood

A) think in an abstract way B) understand object permanence C) successfully complete conservation tasks D) combine multiple schemes

Which of the following statements about alcoholism is true?

A) Studies show little or no genetic involvement in alcoholism. B) In men, alcoholism usually begins in the twenties and thirties. C) Contrary to popular belief, alcoholics can and do limit their alcohol use. D) Alcoholism crosses SES and ethnic lines but is higher in some groups than others.