Exam 24: Growth and Development

Identical twins

Fraternal twins

The union of the sperm and egg creates a zygote.

Stage three of labor ends with the expulsion of the placenta.

A tubal pregnancy is considered an ectopic pregnancy.

Stage two of labor is usually the longest of the three stages.

If all other criteria for the Apgar score were equal,a baby who is underweight would have a lower score than a baby of normal weight.

Histogenesis must precede organogenesis.

Blood type is an inherited trait; therefore

Which of the following terms refers to a fertilized ovum?

Two systems that undergo very rapid development during infancy are the muscular system and the nervous system.

Another term for which condition is toxemia of pregnancy?

Stage one of labor ends when the cervix is fully dilated.

Ectopic pregnancies are always fatal to the embryo and are usually life threatening to the mother.

If the blastocyst implants too close to the cervix,a condition called placenta previa can occur.

Which of the following does not contribute to a newborn's Apgar score?

MATCHING Match each term with its corresponding description or definition. -the hollow ball of cells that implants in the uterus

By 4 months of gestation,all of the organ systems are complete and in place.

The length of the pregnancy is referred to as the gestation period.

Identical twins come from one fertilized egg.