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.

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Definitions:

Temporal Theory

A hypothesis in the study of perception, often relating to how sounds are perceived in terms of timing.

Retinal Disparity

The minor variation in what is seen by each eye, due to the differing perspectives from which each eye observes the environment.

Depth Perception

The ability to perceive the world in three dimensions and to judge the distance of objects accurately.

Skin Sensations

Feelings perceived through the skin, including touch, pressure, heat, cold, and pain, mediated by the nervous system.