Child Development Chapter 5

1. At conception, ovum and sperm combine to form a single cell called a cervix.

• A. True

• B. False

2. During the embryonic stage, the heartbeat of the baby can be heard and the baby’s movements can be felt by the mother.

• A. True

• B. False

3. The fetal stage lasts about 32 weeks beginning in the last one-fourth of the first trimester and continuing through the second and third trimesters of pregnancy.

• A. True

• B. False

4. The carrier of a trait is someone who inherits one dominant gene for that trait.

• A. True

• B. False

5. When a pregnant woman practices good health habits, doctors become concerned.

• A. True

• B. False

6. Sexually transmitted infections (STIs) can cross the placenta and affect the baby during pregnancy, pass to the baby during delivery, or pass from mother to baby during breast-feeding.

• A. True

• B. False

7. Positive thoughts and feelings are important for a woman to have a healthy baby.

• A. True

• B. False

8. Folic acid is the synthetic form of the B vitamin folate that reduces the baby’s risk for neural tube defects.

• A. True

• B. False

9. Since a woman’s health habits have no effect on her and her baby’s health when she is pregnant, none of her habits need to change.

• A. True

• B. False

10. Many doctors advise pregnant women to engage in contact sports for physical activity.e

• A. True

• B. False