Both PET scans and MRIs are neuroimaging techniques that allow us to understand brain structures. While the PET scan relies on __________, the MRI uses _______ to produce images of the brain.

Coworkers in one office building noticed a foul odor outside

and suspected it might be a terrorist plot using a biochemical weapon. Soon, a number of reporters covered the story and reports of foul odors were popping up everywhere. Despite the mayor and the sewer department stating that a line in the sewer had burst, workers were convinced of the possible attack. This phenomenon is better explained by A) mass hysteria. B) mass stupidity. C) mass delusions. D) mass reactions.

Which of the following statements acccurately describes the correlation between adverse childhood experiences and life expectancy ?

A. People who were under six years of age when their parents divorced live ten years less than children from intact families. B. People who reported six or more adverse childhood events die nearly twenty years earlier than estimates of life expectancy. C. People who experienced traumatic childhood events are most likely to die from Alzheimer's disease. D. Risk of death is 57 percent higher in women who experienced two or more adverse childhood experiences than it is in women who reported no adverse childhood events.