Which statement below accurately describes the role of the ductus arteriosus?
The ductus arteriosus helps connect the umbilical artery to the inferior vena cava.
The ductus arteriosus only carries oxygenated blood from the left side of the heart to the right side.
The ductus arteriosus is found between the right and left atrium.
In fetal circulation, the pulmonary artery and aorta are connected via the ductus arteriosus.
The Correct Answer is D
Choice A rationale
The ductus arteriosus does not connect the umbilical artery to the inferior vena cava. It connects the pulmonary artery to the aorta, bypassing the lungs in fetal circulation.
Choice B rationale
The ductus arteriosus carries deoxygenated blood from the right side of the heart to the aorta. It does not carry oxygenated blood from the left side of the heart.
Choice C rationale
The ductus arteriosus is not located between the right and left atrium. It is a blood vessel connecting the pulmonary artery to the aorta in fetal circulation.
Choice D rationale
In fetal circulation, the pulmonary artery and aorta are connected via the ductus arteriosus. This allows blood to bypass the fetal lungs, which are not yet functional.
NGN QUESTIONS
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Frequent urination is common in early pregnancy due to hormonal changes and increased blood flow to the pelvic area. It is not typically a sign of an urgent complication requiring immediate attention.
Choice B rationale
Menstrual-like cramps at 25 weeks gestation could indicate preterm labor, which is a potential emergency. Prompt evaluation is necessary to ensure the health and safety of both the mother and the fetus.
Choice C rationale
Leg cramps while reclining are common in later stages of pregnancy due to changes in circulation and increased pressure on the veins. They are usually not a sign of an urgent complication.
Choice D rationale
A reddened, pruritic lower abdominal rash could indicate a skin condition or allergic reaction, but it is generally not an urgent complication during pregnancy unless accompanied by other severe symptoms.
Correct Answer is ["0503"]
Explanation
The correct answer is 0503.
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