According to research presented in the text, partners who over-benefit in a relationship and partners who under-benefit are likely to feel dissatisfied with their relationships because the powerful social norm of ________ is being violated

All cells foreign to the body, such as bacteria and viruses are called __________

a) antigens. b) T-cells. c) antibodies. d) lymphocytes.

Officer Gart was trying his best to make the case that PCP is an addictive drug because of research showing that:

a. Lab animals will self-administer PCP b. The craving for the drug is dependent on dopamine c. It stimulates glutamate receptors d. All of the above