Which of the Following Statements Are True of Fetal Circulation

question 162

Multiple Choice

Which of the following statements are true of fetal circulation? (Read carefully and select all of the correct statements.)

• A)The foramen ovale permits fetal blood to flow from the right ventricle to the left ventricle.
• B)The ductus arteriosus permits fetal blood to flow from the pulmonary artery to the aorta.
• C)Gases,nutrients,and waste products are exchanged between fetal blood and maternal blood in the placenta.
• D)The two umbilical veins take blood directly to the fetal heart.
• E)The two umbilical arteries take blood from the fetus to the placenta.
• F)Shortly after birth,the ductus arteriosus constricts and the flap of the foramen ovale closes.

---

Definitions:

Short-Run Equilibrium

The condition in which supply and demand are equal at a particular price level, within a short time frame, before all variables have fully adjusted.

Profit-Maximizing

The process or goal of a firm to adjust its production and sale strategies to achieve the highest possible profits.

Four-Firm Concentration Ratio

A metric that measures the total market share controlled by the four largest firms within an industry, used to assess the competitiveness of the market.

Herfindahl Index

A measure of market concentration, calculating the sum of the squares of market shares of each firm within an industry.