Which Is a TRUE Statement About Implantation of a Blastocyst

question 78

Multiple Choice

Which is a TRUE statement about implantation of a blastocyst?

• A)When it occurs outside the uterus,it is called a myopic pregnancy.
• B)It normally occurs midway through the luteal phase.
• C)It is a result of digestion of myometrial cells by enzymes in the trophoblast.
• D)It occurs at a time in the cycle when plasma estrogen concentration is higher than progesterone concentration.
• E)It occurs at the same time as,and is caused by,the LH surge.

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Definitions:

Fusion

The process of merging or combining two or more entities into one, which can occur in biological, chemical, or physical contexts.

Human Embryonic

Relating to the early stages of human development within the womb, from conception to the eighth week of pregnancy.

Stem Cells

Undifferentiated cells capable of giving rise to indefinitely more cells of the same type and from which certain other kinds of cell arise by differentiation.

Placental Tissue

Tissue part of the placenta, which supports fetal development by facilitating nutrient uptake, waste elimination, and gas exchange between mother and fetus.