Which of the Following Statements Are True of the Placenta

question 184

Multiple Choice

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

• A)The umbilical arteries carry oxygen and nutrients to the fetus.
• B)The foramen ovale permits blood to flow from the left atrium to the right atrium.
• C)The ductus venosus takes blood to the superior vena cava after bypassing the lungs.
• D)The ductus arteriosus takes blood from the aorta to the pulmonary artery.
• E)The placenta is made of both fetal and maternal tissue
• F)Fetal carbon dioxide is brought to the placenta by the umbilical vein.

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Definitions:

Gases

Substances that can expand freely to fill any space available, irrespective of its quantity.

Subatomic Particles

Particles smaller than atoms, including protons, neutrons, and electrons, which make up the atom's structure.

Electrons

Negatively charged particles present in every atom that function as the main conduits for electrical current in solid materials.

Neutrons

Neutrons are subatomic particles found in the nucleus of an atom; they have no electric charge and a mass slightly greater than that of protons.