For which of the following diseases did more than 50% of its mortality decline 1900-1973 occur after an effective vaccine or medicine to prevent or treat the disease was introduced?
a) Tuberculosis
b) Pneumonia
c) Whooping cough
d) Polio
c
You might also like to view...
Jonathan Kozol cites the example of a preschool program in Chicago that provides a full-day program to children as young as two;
a. the example points out that poor children have better opportunities there than in New York City. b. the program costs parents nearly $6,000 per year and serves mainly white children. c. the program is funded with federal Head Start dollars. d. the preschools are mostly located in poor neighborhoods.
About what percentage share of the adult population in the United States will suffer from some level of mental illness at some point in their lives?
A. one-tenth B. one-fifth C. one-half D. almost everyone
If class intervals overlap with one another, there will be issues of
a. categories not being exhaustive. b. categories not being mutually exclusive. c. categories being of unequal size. d. all of these choices are correct.
What is meant by the “crisis in care?”
a. Women entering the workforce has meant that there are fewer people to care for children, elderly, and chronically ill or disabled. b. The popularization of violent video games and television shows has reduced the amount of care people have for others, leading to a less empathic society. c. There are fewer and fewer people who are willing to undertake the education and specialization required to become professional caregivers. d. Parenting trends are becoming overly attentive and some experts argue that “helicopter parents” put unfair expectations of care on their children, who will be unprepared for the real world.