Which of the Following Statements Are True of Fetal Circulation

question 43

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:

Hypothalamus

A region of the brain responsible for controlling many autonomic functions such as temperature regulation, hunger, and thirst, as well as linking the nervous and endocrine systems.

Mammillary Bodies

Small rounded bodies at the base of the brain, part of the limbic system, involved in memory formation and recollection.

Hypothalamic Function

The roles performed by the hypothalamus, which include regulating temperature, thirst, hunger, sleep, circadian rhythm, and releasing hormones.

Sexual Pleasure

A state of physical and psychological enjoyment and satisfaction derived from sexual activity.