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 D
Explanation
Choice A rationale
Clean catch urine specimens are not used to test for sexually transmitted infections as these require specific culture tests or nucleic acid amplification tests for accurate detection.
Choice B rationale
Glucose testing in urine helps monitor gestational diabetes or potential diabetes mellitus in pregnant clients. Normal urine glucose levels are typically negligible.
Choice C rationale
Ketones in urine indicate fat metabolism, which can occur during fasting or inadequate carbohydrate intake, and are relevant in the management of diabetic patients.
Choice D rationale
Clean catch urine specimens do not test for testosterone levels, which require serum measurements. Prenatal urine tests focus on glucose, protein, and signs of infection.
Correct Answer is D
Explanation
Choice A rationale
The type of contraceptive used is not directly relevant for a hysterosalpingogram test. The test focuses on the structure and patency of the uterine cavity and fallopian tubes, not contraceptive history.
Choice B rationale
While the number of past pregnancies might be clinically relevant, it does not directly impact the hysterosalpingogram procedure. This test is typically used to evaluate tubal patency and uterine abnormalities regardless of pregnancy history.
Choice C rationale
The patient's age of menarche is not pertinent to a hysterosalpingogram test. Menarche age relates more to puberty and menstrual cycle history, which are not focal points of this imaging procedure.
Choice D rationale
Iodine allergy is crucial to identify before a hysterosalpingogram, as the procedure often involves the use of an iodine-based contrast dye. Identifying allergies helps prevent potential allergic reactions to the dye.
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