Review Biophysical Profile (BPP)

Prenatal Diagnostic Tests And Procedures > Maternal & Newborn

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Biophysical Profile (BPP)

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Total Questions : 3

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Question 1:

A nurse is explaining when a biophysical profile (BPP) is usually performed.

At what gestational age is a BPP typically performed?

A. 12-14 weeks. B. 20-22 weeks. C. 24-26 weeks D. 28 weeks or later.

Answer and Explanation

Choice A:

A BPP is not usually performed at 12-14 weeks of gestation. This is too early to assess the fetal biophysical parameters reliably.

Choice B:

A BPP is not usually performed at 20-22 weeks of gestation. This is also too early to assess the fetal biophysical parameters reliably.

Choice C:

A BPP is not usually performed at 24-26 weeks of gestation. This is still too early to assess the fetal biophysical parameters reliably.

Choice D:

A biophysical profile (BPP) is typically performed after 28 weeks of gestation to evaluate the fetal well-being. A BPP measures five parameters: fetal heart rate, fetal breathing movements, fetal body movements, fetal tone and amniotic fluid volume. Each parameter is scored as 0 (abnormal) or 2 (normal), and the total score ranges from 0 to.

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Question 2:

A nurse is caring for a client who has diabetes mellitus and is at 36 weeks of gestation.

The nurse should expect the provider to order which of the following tests to assess fetal well-being?

A. Biophysical profile (BPP) B. Nonstress test (NST) C. Contraction stress test (CST) D. Amniocentesis

Answer and Explanation

Choice A:

A BPP is a test that combines an ultrasound and a nonstress test (NST) to assess fetal well-being. It measures fetal heart rate, breathing, movement, muscle tone, and amniotic fluid level. A BPP is typically performed after 28 weeks of pregnancy, especially if there are any risk factors or complications.

Choice B:

Nonstress test (NST) is wrong because it only measures fetal heart rate in response to movement or contractions. It does not assess other aspects of fetal well-being such as breathing, movement, muscle tone, and amniotic fluid level.

Choice C:

Contraction stress test (CST) is wrong because it measures fetal heart rate in response to induced contractions of the uterus. It does not assess other aspects of fetal well-being such as breathing, movement, muscle tone, and amniotic fluid level.

Choice D:

Amniocentesis is wrong because it is a procedure that involves inserting a needle into the uterus to collect a sample of amniotic fluid for testing. It does not assess fetal well-being directly, but rather tests for genetic or chromosomal abnormalities, infections, or lung maturity.

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Question 3:

A nurse is reviewing the results of a biophysical profile (BPP) for a client who is at 38 weeks of gestation.

The nurse should recognize that a total BPP score of which of the following indicates acute fetal asphyxia?

A. 4 or less. B. 6 or less. C. 8 or less. D. 10 or less.

Answer and Explanation

Choice A:

A biophysical profile (BPP) score of 4 or less indicates acute fetal asphyxia. A BPP score is calculated by adding the scores of five parameters: fetal breathing movements, fetal body movements, fetal tone, amniotic fluid volume and nonstress test. Each parameter is scored as either 0 (abnormal) or 2 (normal), except for the nonstress test which is scored as either 0 (nonreactive) or 1 (reactive). A total score of 8 or more is considered normal, while a score of 6 or less is considered abnormal and requires further evaluation or delivery.

Choice B:

A BPP score of 6 or less, not 6 or more, indicates acute fetal asphyxia.

Choice C:

A BPP score of 8 or less is considered borderline and may require repeat testing or delivery depending on the clinical situation.

Choice D:

A BPP score of 10 or less is considered normal and does not indicate acute fetal asphyxia.

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Biophysical Profile (BPP)

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