Adolescents' growing cognitive abilities allow them to distinguish between prosocial behavior that is self-serving (done to gain something, such as looking better in others' eyes), or truly ________ (done to help others and requiring clear self-sacrifice)

Shelby is adventurous, persuasive, and a strong leader. According to Holland's six personality types, Shelby is a(n) __________ person

A) social B) investigative C) conventional D) enterprising

Meningitis leads to damage of the brain because this disease produces

a. damaged secretory cells within the choroid plexus. b. scar tissue on the meninges. c. inflammation of the meninges that interferes with the flow of blood or cerebrospinal fluid. d. a buildup of the long form of ß-amyloid precursor protein. e. sclerotic plaques.