DeWitt - Exam 2
Fetal Alcohol Syndrome - ANSWER-Caused by the mom drinking heavily during
pregnancy that can result in a small misproportioned head, low birth weight, lower
intelligence, and abnormal facial features
Alcohol - ANSWER-What is the most consistently damaging teratogen?
Reflexes - ANSWER-Unlearned responses triggered by specific stimuli
Babinski Reflex - ANSWER-Baby's foot will fan out when stroked from heel to toe;
disappears after 12-18 months
Moro Reflex - ANSWER-Baby will abruptly throw arms out and then in when head is
falling or when hearing a loud noise; disappears after 4 months
Rooting Reflex - ANSWER-When cheek is stroked, baby will turn head toward the
stroke and open mouth; disappears after 5 months
Girl, boy - ANSWER-If father gives an x chromosome, the baby will be a _______, if the
father gives a y chromosome, the baby will be a ________
23rd - ANSWER-The sex chromosome is the ___________ chromosome
Zygote - ANSWER-(0-2 weeks) fertilized egg that undergoes 2 weeks of rapid cell
division
10 - ANSWER-How many days after conception does the zygote attach to the uterine
wall?
Embryo - ANSWER-(2-9 weeks) a developing human being; organs begin to form and
function; heart begins to beat
Placenta - ANSWER-The organ through which nutrients and oxygen pass from the mom
to the baby
Fetus - ANSWER-(9 weeks to birth) organs continue to develop and the baby continues
to grow