The Placenta Is

question 25

Multiple Choice

The placenta is:

• A) formed solely from the outermost layers of the embryonic trophoblast, and serves as an exchange organ between mother and fetus.
• B) formed from interlocking fetal and maternal tissues, and allows the mother's blood to flow freely into the fetal circulation and back.
• C) formed solely from the endometrial layer of the uterus, and allows the mother's blood to flow freely into the fetal circulation and back.
• D) formed from interlocking fetal and maternal tissues, and serves as an exchange organ between mother and fetus.
• E) formed from maternal circulatory stem cells, and serves as an exchange organ between mother and fetus.

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Definitions:

Valid Survey

A research tool that has been tested for reliability and accuracy, ensuring that it measures what it is intended to measure.

Face-to-face

A form of communication where the parties involved interact directly in the same physical space, allowing for non-verbal cues.

Email

A method of exchanging digital messages over the Internet between people using electronic devices.

Primary Research Methods

Techniques used to gather new data directly from sources or experiments, rather than analyzing existing data.