The textbook suggests that the best way to characterize nature-nurture issues is to suggest that the two ____________. That is, genes and environment work both separately and together, and sometimes they influence or change one another

Which of the following is accurate concerning the risk factors for cardiovascular disease?

A) The primary risk factors are not well known. B) Risk factors such as high cholesterol or smoking do not constitute an increased risk when both are present. C) The more high-risk behaviors or characteristics a person has, the higher the person's risk of heart disease. D) Widespread publicity about the dangers of smoking and high cholesterol has had little effect on the rate of cardiovascular disease risks for most Americans.

The "sex-tension flush"

a. occurs in a majority of men and in about one-fourth of women b. occurs in a majority of women and in about one-fourth of men c. occurs in a majority of both men and women d. occurs in only a few men and women