According to recent surveys, approximately what percent of teenage couples use contraceptives the first time they have sex?

Alicia is using a drug that produces its stimulating effects by slowing down and blocking the reuptake process of neurotransmitters in the brain. What happens when the reuptake process is slowed down?

a) There is an increase of neurotransmitter molecules in the synapse b) There is a decrease of neurotransmitter molecules in the synapse. c) Fewer neurotransmitters are released into the synapse. d) There are more receptors available for the neurotransmitter molecules.

Erin has a high level of mastery motivation. Given this fact, her most likely response to failing a test would be to

a. quit. b. blame her self. c. believe that trying harder on the next test will lead to failure. d. believe that trying harder on the next test will lead to success.