Hallucinogenic drugs typically act in the brain by affecting the use of

One theory proposes that excess fat in the body produces a hormone that makes it more difficult for insulin to work properly. What is this hormone?

a) adrenaline b) thyroxine c) resistin d) testosterone

The unwillingness of people in the vicinity of the victim to offer help during emergencies or to become involved in others' problems is referred to as

a. unattached behavior. b. bystander apathy. c. desensitization. d. disinhibition.