Question

The ductus venosus is a shunt that allows ____________________ . a. fetal blood to flow from the right atrium to the left atrium b. fetal blood to flow from the right ventricle to the left ventricle c. most freshly oxygenated blood to flow into the fetal heart d. most oxygen-depleted fetal blood to flow directly into the fetal pulmonary trunk

Name: Problem 27, Chapter 20: Anatomy & Physiology
Uploaded: 2020-06-29T03:44:06-08:00
Duration: 36 s
Channel: Alexander Burbelo
Description: The ductus venosus is a shunt that allows . a. fetal blood to flow from the right atrium to the left atrium b. fetal blood to flow from the right ventricle to the left ventricle c. most freshly oxygenated blood to flow into the fetal heart d. most oxygen-depleted fetal blood to flow directly into the fetal pulmonary trunk

   The ductus venosus is a shunt that allows ____________________ .
a. fetal blood to flow from the right atrium to the left atrium
b. fetal blood to flow from the right ventricle to the left ventricle
c. most freshly oxygenated blood to flow into the fetal heart
d. most oxygen-depleted fetal blood to flow directly into the fetal pulmonary trunk

Anatomy & Physiology

J. Gordon Betts,… 1st Edition

Chapter 20, Problem 27

Instant Answer

Solved by Expert Alexander Burbelo

06/29/2020

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The ductus venosus is a small vein that carries oxygenated blood from the umbilical vein to the inferior vena cava in the fetus. Show more…

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The ductus venosus is a shunt that allows ____________________ . a. fetal blood to flow from the right atrium to the left atrium b. fetal blood to flow from the right ventricle to the left ventricle c. most freshly oxygenated blood to flow into the fetal heart d. most oxygen-depleted fetal blood to flow directly into the fetal pulmonary trunk

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Key Concepts

Ductus Venosus

The ductus venosus is a key shunt in fetal circulation that allows oxygenated blood from the umbilical vein to bypass the liver and flow into the inferior vena cava. This adaptation is critical because it ensures that the most oxygen-rich blood reaches the fetal heart and brain quickly, optimizing the delivery of oxygen and nutrients during development.

Fetal Circulation

Fetal circulation involves a specialized set of blood vessels and shunts that direct oxygenated blood from the placenta to the fetus. This system is designed to bypass the fetal lungs, which are not yet in use, and provide highly oxygenated blood to vital organs. It includes mechanisms to preferentially deliver oxygen-rich blood to the heart and brain, thereby supporting the fetus's rapid growth and development.

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