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A nurse is explaining the purpose of a Doppler ultrasound blood flow analysis to a client who has intrauterine growth restriction (IUGR).

The nurse should inform the client that this test measures which of the following?

The velocity of blood flow in the uterine and fetal vessels.

The amount of amniotic fluid in the uterine cavity.

The pressure of blood flow in the umbilical cord.

The oxygen saturation level of fetal blo.

Answer and Explanation

The Correct Answer is A

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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Correct Answer is B

Explanation

Each of the five variables in a biophysical profile (BPP) is assigned a score of either 0 or 2 points, depending on whether it meets the criteria or not.

The five variables are:

Fetal breathing: 2 points if there is at least one episode of rhythmic breathing lasting at least 30 seconds within 30 minutes, 0 points otherwise.

Fetal movement: 2 points if there are at least three discrete body or limb movements within 30 minutes, 0 points otherwise.

Fetal tone: 2 points if there is at least one episode of extremity extension and subsequent return to flexion, 0 points otherwise.

Amniotic fluid volume: 2 points if there is a pocket of amniotic fluid measuring at least 2 cm in two perpendicular planes, 0 points otherwise.

Nonstress test: 2 points if there are at least two accelerations of fetal heart rate with or without fetal movement within 20 minutes, 0 points otherwise.

Choice A is wrong because each variable can have a score of either 0 or 2, not 0 or.

Choice C is wrong because there is no score of 1 for any variable.

Choice D is wrong because it is incomplete and does not provide the full range of possible scores.

A. “The patient should have a full bladder for a transabdominal US and an empty bladder for a transvaginal US.”. B. “The patient should wear tight-fitting clothing and lie prone on an examination table.”. C. “The patient should wear loose-fitting clothing and lie supine on an examination table.”. D. “The patient should wear loose-fitting clothing and lie prone on an examination table.”.

Correct Answer is A

Explanation

“The patient should have a full bladder for a transabdominal US and an empty bladder for a transvaginal US.”1 This is because a full bladder helps to lift the uterus and improve the visibility of the pelvic organs in a transabdominal US, while an empty bladder prevents distortion of the image in a transvaginal US.

Choice B is wrong because tight-fitting clothing is not necessary and lying prone on an examination table is uncomfortable and may interfere with the insertion of the vaginal probe.

Choice C is wrong because loose-fitting clothing is not necessary and lying supine on an examination table may cause supine hypotension syndrome in pregnant women.

Choice D is wrong because loose-fitting clothing is not necessary and lying prone on an examination table is uncomfortable and may interfere with the insertion of the vaginal probe.

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A nurse is explaining the purpose of a Doppler ultrasound blood flow analysis to a client who has intrauterine growth restriction (IUGR). The nurse should inform the client that this test measures which of the following?

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Naxlex Comprehensive Predictor Exams

A nurse is interpreting the results of a biophysical profile (BPP) for a client who is at 34 weeks of gestation. The nurse should understand that each of the five variables is assigned a score of how many points?

Correct Answer is B

Explanation

A client is scheduled for a transvaginal ultrasound in two weeks. The client asks the nurse what they should do to prepare for the test. What is the best response by the nurse?

Correct Answer is A

Explanation

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A nurse is caring for a patient who had an amniocentesis performed at 16 weeks gestation and reports cramping and vaginal bleeding 24 hours later which action should be taken first?

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A nurse is explaining the purpose of a Doppler ultrasound blood flow analysis to a client who has intrauterine growth restriction (IUGR).

The nurse should inform the client that this test measures which of the following?