The greatest risk for prenatal defects exists when a mother contracts rubella
A. right before birth.
B. in the third month of pregnancy.
C. in the third or fourth week of pregnancy.
D. in the second trimester of pregnancy.
Answer: C
You might also like to view...
What is a key difference between spontaneous movements and movements in response to a stimulus?
a. Spontaneous movements are faster and fatigue more rapidly. b. Spontaneous movements have more accurate aim. c. Spontaneous movements use a different pattern of muscles. d. Spontaneous movements develop more gradually.
Cannon and Washburn (1912) proposed that hunger is caused by
a. lack of food. b. stomach contractions. c. low blood sugar. d. changes in leptin levels.
Research has associated chronic caffeine use with __________
a. elevated serum cholesterol level b. birth defects c. cancer d. hypertension in women e. all of these
Jean Piaget claimed
a. experience was essential for moral behavior development. b. social comparison caused changes in morality. c. moral reasoning emerges along with concrete operational reasoning. d. parents impose their morality on their children.