A nurse is preparing a client for a biophysical profile (BPP).
The nurse should instruct the client that the test involves which of the following procedures?
An ultrasound and a nonstress test.
An ultrasound and a contraction stress test.
A Doppler ultrasound and a nonstress test.
A Doppler ultrasound and a contraction stress test.
The Correct Answer is A
The test involves an ultrasound and a nonstress test.
A biophysical profile (BPP) is a way to check on the overall fetal health by observing the fetus’s heart rate, breathing, movement, muscle tone, and the amount of amniotic fluid surrounding the fetus in the uterus.
It is typically performed after 28 weeks of pregnancy, especially for high-risk pregnancies or if there is a chance of complications.
Choice B is wrong because a contraction stress test is not part of a BPP.
A contraction stress test measures how the fetus’s heart rate changes during contractions induced by oxytocin or nipple stimulation.
It is a different test from a nonstress test, which measures the fetus’s heart rate while moving and at rest without any stimulation.
Choice C is wrong because a Doppler ultrasound is not part of a BPP.
A Doppler ultrasound uses sound waves to measure the blood flow in the umbilical cord and other blood vessels.
It is a different type of ultrasound from the one used in a BPP, which uses sound waves to create images of the fetus and the amniotic fluid.
Choice D is wrong because it combines two incorrect components from choices B and C. A BPP does not involve a Doppler ultrasound or a contraction stress test.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This is because a nuchal translucency ultrasound measures the amount of fluid behind the baby’s neck in the first trimester of pregnancy, which can indicate the risk of having a chromosomal condition like Down syndrome.
Some possible explanations for the other choices are:
Choice A is wrong because fetal growth and development are not directly related to the nuchal translucency measurement.
Fetal growth and development are assessed by other parameters such as crown-rump length, biparietal diameter, abdominal circumference, etc.
Choice B is wrong because blood flow in the umbilical cord is not measured by the nuchal translucency ultrasound.
Blood flow in the umbilical cord is assessed by Doppler ultrasound, which evaluates the resistance and velocity of blood flow in the umbilical artery and vein.
Choice D is wrong because structural abnormalities in the baby’s organs are not detected by the nuchal translucency ultrasound.
Structural abnormalities in the baby’s organs are diagnosed by a detailed anatomy scan, which is usually performed in the second trimester of pregnancy.
The normal range for nuchal translucency is between 1 mm and 3 mm.
A measurement above 3 mm is considered increased and may indicate a higher risk of chromosomal or genetic conditions.
However, a nuchal translucency ultrasound is a screening test and not a diagnostic test, so it does not confirm or rule out any condition.
It only provides a probability based on statistical calculations.
Therefore, further testing may be recommended if the nuchal translucency measurement is increased or if other risk factors are present.
Correct Answer is B
Explanation
Choice A is wrong because it describes a transabdominal CVS procedure, which involves a needle instead of a catheter.
Choice C is wrong because it describes a procedure that is not used for CVS.A needle inserted through the cervix could damage the fetal membranes or cause bleeding.
Choice D is wrong because it describes a procedure that is not possible.A catheter cannot be inserted through the abdomen and uterus into the placenta.
Normal ranges for CVS are not applicable as it is a diagnostic test, not a screening test.
It provides a definitive result of whether the fetus has a chromosomal abnormality or a genetic disorder.CVS is usually done between 10 and 13+6 weeks of pregnancy.
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