The evidence linking psychological factors to the onset of cancer is statistically significant

Children with multiple physical and neurological problems that seriously limit their functioning are MOST likely to be diagnosed with which level of intellectual developmental disorder?

A) mild B) moderate C) severe or profound D) They are likely to be diagnosed as having no intellectual development disorder.

Opiate drugs occupy the same receptor sites as

a. endorphins. b. dopamine. c. serotonin. d. epinephrine.