The Placenta ____

question 55

Multiple Choice

The placenta ____.  

• A) forms from endometrial and extraembryonic tissues
• B) will cover about one-half of the inner uterine surface at full term
• C) intermingles fetal blood with maternal blood
• D) secretes only estrogen to maintain the uterine lining during the second and third trimesters
• E) secretes only progesterone to maintain the uterine lining during the second and third trimesters

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Soma

The cell body of a neuron, containing the nucleus and metabolic machinery necessary for cell maintenance and function.

Intercalated Discs

Intercalated discs are specialized connections between cardiac muscle cells that facilitate the synchronized contraction of the heart.

Cardiac

Pertaining to the heart, its function, or its diseases.