5.3 check

Question 1

One possible reason for rising rates of overweight in young children is the ______.
A) greater number of parents who begin including solid foods in their infants’ diets around age 6 months
B) high-fat content of many commercial formulas for infants
C) rise in overweight among adults, who engage in unhealthy feeding practices as early as the first year
D) greater number of mothers who breastfeed for six or more months, which is a risk factor for later obesity

Answer 1

rise in overweight among adults, who engage in unhealthy feeding practices as early as the first year

Question 2

The benefits of breastfeeding for babies include ______.
A) a higher percentage of body fat to muscle that persists into the preschool years
B) reduced acceptance of solid foods, which promotes longer breastfeeding
C) a large advantage in intelligence test scores by the school years
D) enhanced immune system functioning with fewer respiratory and intestinal illnesses

Answer 2

enhanced immune system functioning with fewer respiratory and intestinal illnesses

Question 3

In longitudinal studies that tracked children’s lead exposure in multiple countries over an extended time, nearly all investigations reported ______.
A) increased childhood distractibility, overactivity, and behavior problems, but only at low lead levels
B) impaired childhood cognitive functioning at all lead exposure levels, even small quantities
C) impaired cognitive functioning in adulthood that was not evident in childhood
D) a reduction in lead-induced brain damage associated with iron and zinc dietary deficiencies

Answer 3

impaired childhood cognitive functioning at all lead exposure levels, even small quantities