Which of the following increases the risk of having a child with Down syndrome?
a. smoking while pregnant
b. alcohol consumption
c. maternal age
d. paternal stress
Answer: C
You might also like to view...
The fetal stage of prenatal development lasts from
a. conception to week two. b. conception to week eight. c. implantation to week eight. d. week nine through delivery. e. week twelve through delivery.
Adolescent girls might be attracted to boys who are similar to their fathers as a result of
a. puberty. c. the incest taboo. b. inexperience. d. wanting to seem older.
Your roommate swears he never dreams. How might you prove differently to him?
A. Buy him a dream catcher and hang it by his bed. B. Keep him awake for 48 hours and then he would remember his dreams. C. Have him concentrate on something he wants to dream about before he goes to sleep, and then see if he remembers dreaming when he wakes up. D. Watch him sleep, and when his eyes begin to move under his closed eyelids, wake him up, and he will probably realize he was dreaming.
What is the goal of lateral inhibition?
A. mediating on-center surround cells B. facilitating edge detection C. overriding illusory processes D. integrating figure and ground