Carissa has a family history of Down syndrome and is in her 5th week of pregnancy. She decides that she would like to find out as early as possible whether her unborn child has Down syndrome or any other genetic abnormality

Jim watches a heavy dose of violent TV cop shows. According to research by Margaret Hanratty Thomas and her colleagues (1977), what is one likely outcome of this behaviour?

A) Jim will be likely to try to join the police force. B) Jim will feel somewhat indifferent when he hears a violent argument between his neighbours. C) Jim will be less likely to recognize his own feelings of aggression. D) Jim will become more upset when he sees aggression that is not fictionalized. E) Jim will become more aware of his own violent behaviour and try to stop it.

Acetylcholine is thought to play a role in ____

a. ?muscle contraction b. ?pain c. ?depression d. ?motivation