Question

Which one is not a character of the hemochorial placenta.

• A. Through the placenta, CO₂ and excretory wastes from the fetus pass into the mother's body.
• B. Fetus obtains nutrients and O₂ and antibodies from the mother's body through the placenta.
• C. The chorion villi are covered by blood sinuses of maternal tissue 22%.
• D. It protects the fetus from mechanical shocks.

Answer 1

The correct option is D

It protects the fetus from mechanical shocks.

The correct option is D.

Explanation of correct option:

1. A placenta in which maternal blood is in direct contact with the chorion.
2. The hemochorial placenta does not protect the fetus from mechanical stress.

Explanation of incorrect option:

Option A

Through the placenta, CO₂ and excretory wastes from the fetus pass into the mother's body as a function of the hemochorial placenta.

Option B

The fetus obtains nutrients and O₂ and antibodies from the mother's body through the placenta is a function of the hemochorial placenta.

Option C

The chorion villi are covered by blood sinuses of maternal tissue 22% is a character by the hemochorial placenta.

Final answer: It protects the fetus from mechanical shocks is not a character of the hemochorial placenta.