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Which of the Following Statements Is True

question 60

Multiple Choice

Which of the following statements is true?


Definitions:

Blastocyst

A stage of early embryonic development in mammals; it is a structure formed about five days after fertilization, consisting of an inner cell mass, a fluid-filled cavity, and an outer layer of trophoblast cells.

Placenta

During pregnancy, an organ arises in the uterus, serving to deliver essential nutrients and oxygen to the developing baby, as well as clearing out the baby’s metabolic waste.

Endoderm

The innermost layer of cells or tissue of an embryo in early development that gives rise to the lining of the digestive and respiratory systems.

Rubella

A contagious viral disease, also known as German measles, that can cause severe birth defects if contracted by a pregnant woman.

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