Parkinson's disease is caused by degeneration of neurons that release which neurotransmitter?

Amy, a 16-year-old girl, is shy around boys though she would really like to be more outgoing. This reflects:

A. the drive toward positive self-esteem. B. the discrepancy between her ideal and actual selves. C. a false sense of self-concept. D. All of the above.

Those who take charge of their lives would disagree with which of the following?

a. I enjoy being interconnected to others. b. I strongly feel that a promise is a promise and should not be broken. c. If I have a choice, I much prefer to do the safe rather than the risky thing. d. When I borrow money, I make sure to pay it back.