By _____ years of age, children have internalized many rules and have begun to feel guilt about their bad behavior

Patients unable to feel pain frequently die due to injuries they did not know they had, or performing risky behaviors that would severely hurt other people. This disease, called Congenital Insensitivity to Pain, can be caused by

a. Mutated, non-functioning sodium channels in pain neurons b. Elevated endorphin levels c. Mutation of a gene responsible for generating pain fibers d. All of the above

The best outcomes are gained by ethnic minority youths who have achieved this ethnic identity status:

a. acting and thinking "white.". b. identity diffused. c. identity achieved. d. moratorium.