Nona lives in a traditional culture. Which individual most likely assists her during the birthing process?

What is the general conclusion of researchers who have investigated the influence of genetic factors on attention-deficit/hyperactivity disorder?

a. Genetic factors strongly contribute to this disorder. b. The concordance rate for MZ twins is high, but symptoms appear to be reactions to other mental disorders. c. Genetic factors seem to play no role in the development of this disorder. d. The concordance rate among dizygotic twins is higher than it is for monozygotic twins.

Chapter 11 discussed the health of women in developing countries. According to this discussion,

a. a woman living in the lowest-income countries in Africa is about 50 times as likely to die during childbirth, compared to a woman living in Canada. b. a young girl living in low-income countries in Asia or the Middle East actually receives better medical care than a young boy. c. in some low-income countries, boys receive much more to eat than girls receive. d. relatively little money is spent on health care in most low-income countries, but males and females receive similar treatment.