A nurse is caring for a patient scheduled for a maternal serum alpha-fetoprotein test at 15 weeks of gestation.
Which explanations about this test should the nurse provide to the patient?
This test is a screening for spinal defects in the fetus.
This test assesses various markers of fetal well-being.
This test identifies an Rh incompatibility between the mother and fetus.
This test assesses fetal lung maturity.
The Correct Answer is A
Choice A rationale
The maternal serum alpha-fetoprotein test is a part of what’s often called the “triple screen” that can assess whether a pregnant woman may be at increased risk of carrying a baby with certain disorders, such as neural tube defects (spinal defects) or Down syndrome.
Choice B rationale
While the test can provide information about the risk of certain birth defects, it does not assess various markers of fetal well-being.
Choice C rationale
The test does not identify an Rh incompatibility between the mother and fetus. That would be determined through separate blood tests.
Choice D rationale
The test does not assess fetal lung maturity. Other tests, such as amniocentesis, can provide this information.
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Related Questions
Correct Answer is D
Explanation
Choice A rationale
While smoking during pregnancy can have many negative effects on a baby’s health, it is not specifically linked to hearing loss.
Choice B rationale
Type 1 diabetes mellitus is not caused by maternal smoking. It is an autoimmune condition where the body’s immune system destroys the cells that release insulin.
Choice C rationale
Congenital heart defects can have many causes, including genetic factors and certain maternal health conditions. However, they are not specifically linked to maternal smoking.
Choice D rationale
Smoking during pregnancy can cause intrauterine growth restriction. This is because nicotine and other harmful chemicals in cigarettes can cross the placenta and interfere with the baby’s blood supply. This can limit the amount of oxygen and nutrients the baby receives, leading to slower growth. Placental abruptionPlacental abruption Explore
Correct Answer is B
Explanation
Choice A rationale
The symptoms described do not typically align with conditions that would be treated with Prescription A. Prescription A might be used for a different set of symptoms or conditions.
Choice B rationale
The presence of small pinpoint open vesicles and pustules on the labia majora with clear drainage, along with a thick, mucopurulent vaginal discharge, could indicate a sexually transmitted infection or other type of infection. Prescription B might be an antibiotic or antiviral medication to treat the suspected infection.
Choice C rationale
The symptoms described do not typically align with conditions that would be treated with Prescription C. Prescription C might be used for a different set of symptoms or conditions.
Choice D rationale
The symptoms described do not typically align with conditions that would be treated with Prescription D. Prescription D might be used for a different set of symptoms or conditions.
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