Lead-related mental defect in childhood persists into adulthood

During infancy and childhood, the

A) upper body grows faster than the lower body. B) hands and feet continue to grow ahead of the arms and legs. C) arms and legs continue to grow ahead of the hands and feet. D) head grows at a much faster rate than any other body part.

Of the following groups, which receives (on average) the most medical care?

a. adolescents b. children c. young adults d. men e. individuals with lower income