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ATI MATERNAL NEWBORN PROCTORED EXAM – STUDY GUIDE / Correct Questions & Answers with Rationale

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ATI MATERNAL NEWBORN PROCTORED EXAM – STUDY GUIDE The nurse is preparing to teach a prenatal class about fetal circulation. Which statements should be included in the teaching plan? Select all that... apply. 1. "The ductus arteriosus allows blood to bypass the fetal lungs." 2. "One vein carries oxygenated blood from the placenta to the fetus." 3. "The normal fetal heart tone range is 140 to 160 beats per minute in early pregnancy." 4. "Two arteries carry deoxygenated blood and waste products away from the fetus to the placenta." 5. "Two veins carry blood that is high in carbon dioxide and other waste products away from the fetus to the placenta." Rationale: The ductus arteriosus is a unique fetal circulation structure that allows the nonfunctioning lungs to receive only a minimal amount of oxygenated blood for tissue maintenance. Oxygenated blood is transported to the fetus by one umbilical vein. The normal fetal heart tone range is considered to be 110 to 160 beats per minute. Arteries carry deoxygenated blood and waste products from the fetus, and the umbilical vein carries oxygenated blood and provides oxygen and nutrients to the fetus. Blood pumped by the embryo's heart leaves the embryo through two umbilical arteries. [Show More]

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