Which Statement Concerning the Placenta Is Correct

question 207

Multiple Choice

Which statement concerning the placenta is correct?

• A) The placenta secretes human chorionic gonadotropin, estrogen, and progesterone.
• B) The placenta serves the functions of the circulatory, respiratory, and digestive systems for the fetus.
• C) Maternal and fetal blood are mixed together within the placenta.
• D) The olacenta is fully formed in 4 weeks.

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Definitions:

Marginal Benefit

The extra pleasure or benefit gained by an individual from consuming one more unit of a product or service.

Profit-Maximizing Principle

The economic principle that firms operate to achieve the highest possible profit from their operations, by adjusting output levels, pricing, or resource usage.

Marginal Analysis

An examination of the benefits and costs of an additional unit of change in economic decisions.

Marginal Benefit

The added gratification or usefulness that an individual acquires from the consumption of an additional unit of a good or service.