Question 1
Which of the following is the most likely reason that infants of historically underrepresented groups are more likely to be of low birth weight?
◦ genetic differences in stature and body mass
◦ systematic differences in temperament of the parents
◦ the presence of teratogens among some cultural groups
◦ poverty and cultural barriers to health and nutrition services
Question 2
An infant is born 3 weeks before the end of the full gestation period and weighs only 4 1/2 pounds. Which prediction is most accurate regarding her long-range development?
◦ She may suffer serious medical problems - such as meningitis - and will be more often afflicted throughout life with mild illnesses - such as respiratory infections. Her intellectual development will be similar to those born full-term.
◦ She may show early delays but, with early intervention and positive parenting, will gain weight and likely show few signs of difficulty in later childhood.
◦ She may be delayed in intellectual and physical areas throughout much of childhood but will be unaffected socially and emotionally.
◦ She will develop typically and within the range of normalcy for infants born in America.
18 weeks old human fetus
fetus 12 weeks
Night Attack on the Sanjo Palace (detail), from the Scrolls of Events of the Heiji Period.
Passive movement of the hip through its full range. With one hand just above the knee and the other ...
Embryonic Period - 4th week
Embryonic Period - 5th week