Among all of the areas that have been found to be important to children's self-esteem, ________ has been found to be the most important

How might a virus during the prenatal period or shortly after birth bring about the onset of a psychological disorder later in the life of that child?

a) A virus may act directly by changing the immune system of the mother and the fetus b) An infection elsewhere in the body could trigger the onset of a central nervous system disease. c) A virus may act indirectly by infecting the central peripheral nervous system of the fetus. d) A virus cannot infect the central nervous system of a fetus either directly or indirectly.

On average, most infants will use their first word ____

a. a few months before or after their second birthday b. a few months before or after their first birthday c. toward the middle half of their first year d. toward the second half of their second year