Prenatal Development and Maturation Quiz

Placenta provides nutrients and oxygen to the developing fetus.

Developing organism from the third week until the end of the eighth week is called an embryo.

Protective layer that surrounds the developing embryo is called the amniotic sac, providing a stable environment.

Implantation occurs at the blastocyst stage.

Approximate duration of a full-term pregnancy is 40 weeks.

The period of prenatal development from the ninth week until birth is called the fetal stage.

Majority of organ development occurs in the second trimester.

Critical period in prenatal development is the first two weeks after conception.

Progesterone is responsible for maintaining pregnancy and preventing uterine contractions in the first trimester.

Major organs and body systems continue to develop, and rapid weight gain occurs during the third trimester.

The neural tube is a tube that develops into the brain and spinal cord during prenatal development.

Exposure to cigarette smoke is linked to an increased risk of neural tube defects in prenatal development.

Process by which cells become specialized is called cell differentiation.

Genetic disorder with an extra chromosome 21 is Down syndrome.

The process of prenatal development involving the formation of gametes (sperm and egg cells) is called meiosis.

Thalidomide is a teratogen that can potentially harm the developing fetus during prenatal development.

Genetic disorder caused by the absence of one X chromosome in females is Turner syndrome.

Attachment of the blastocyst to the uterine lining is called implantation.