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.

Answer and Explanation

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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Correct Answer is A

Explanation

This is because AFP levels vary according to the gestational age of the fetus, and reporting them as multiples of the median (MoM) allows for a standardized comparison.

Choice B is wrong because AFP results do not differentiate between neural tube defects and chromosomal abnormalities.

They only indicate an increased risk for these conditions, which need further testing to confirm.

Choice C is wrong because AFP results do not assess the risk of fetal demise or multiple gestation.

They only measure the amount of AFP in the maternal blood, which can be affected by various factors such as maternal weight, race, diabetes, and fetal anomalies.

Choice D is wrong because AFP results are reported as MoM regardless of factors such as maternal weight and race.

These factors are taken into account when calculating the MoM value, which adjusts for the expected variation in AFP levels among different populations.

Normal ranges for AFP MoM vary depending on the laboratory and the method used, but generally they are between 0.5 and 2.52.

Values above or below this range may indicate an increased risk for certain fetal conditions or complications.

A. The velocity of blood flow in the uterine and fetal vessels. B. The amount of amniotic fluid in the uterine cavity. C. The pressure of blood flow in the umbilical cord. D. The oxygen saturation level of fetal blo.

Correct Answer is A

Explanation

A Doppler ultrasound blood flow analysis measures the velocity of blood flow in the uterine and fetal vessels.

This test can help assess the fetal well-being and oxygenation in cases of intrauterine growth restriction (IUGR).

Choice B is wrong because the amount of amniotic fluid in the uterine cavity is measured by ultrasound, not Doppler.

Choice C is wrong because the pressure of blood flow in the umbilical cord is not directly measured by Doppler, but rather inferred from the resistance index or pulsatility index.

Choice D is wrong because the oxygen saturation level of fetal blood is not measured by Doppler, but rather by fetal scalp sampling or pulse oximetry.

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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?

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Naxlex Comprehensive Predictor Exams

A nurse is educating a pregnant client about the Alpha-fetoprotein Test (AFP). What should the nurse include as a reason why AFP results are reported as multiples of the median (MoM)?

Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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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?