Once Diffusion from the Endometrium Becomes Inadequate for Delivery of Oxygen

question 12

Multiple Choice

Once diffusion from the endometrium becomes inadequate for delivery of oxygen, the placenta develops from projections of the______, which facilitates exchange of nutrients and waste by the______

• A) amnionic villi into the endometrium : short distance between maternal and fetal blood
• B) chorionic villi into the embryo : mixing of maternal and fetal blood
• C) chorionic villi into the endometrium : short distance between maternal and fetal blood
• D) chorionic villi into the endometrium : mixing of maternal and fetal blood
• E) chorionic villi into the embryo : short distance between maternal and fetal blood

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Definitions:

Long-Run Aggregate Supply Curve

A vertical line representing the maximum amount of goods and services an economy can supply when it is fully employed, regardless of price levels in the long term.

Aggregate Demand Curve

A curve that illustrates the total demand for goods and services in an economy at various price levels.

Capital Stock

The total amount of physical, financial, and human capital available in an economy, used to produce goods and services.

Gross Investment

The total amount of investment spent on new fixed investment plus replacement investment, without accounting for depreciation.