A nurse is observing fetal breathing movements on an ultrasound for a client who is undergoing a biophysical profile (BPP).
The nurse should document how many points for this variable if the fetus has at least one episode of breathing lasting for 20 seconds within a 30-minute period?
0 points.
1 point.
2 points.
3 points.
The Correct Answer is C
According to the ACOG guidelines on antepartum fetal surveillance, one of the components of the biophysical profile is fetal breathing movements, which are scored as 2 points if there is one or more episodes of rhythmic fetal breathing movements of 30 seconds or more within 30 minutes.
Choice A is wrong because 0 points are given for absent or no breathing episode for ≥30 seconds within a 30 minute observation period.
Choice B is wrong because there is no 1 point score for this variable.
Choice D is wrong because there is no 3 point score for this variable.
The maximum score for each variable is 2 points.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choice B. The nurse should inform her that results are typically available within 7 days.
This is known as the rapid CVS result.
A more detailed set of CVS results will be available within 2 weeks.
Choice A is wrong because 24 hours is too short for the laboratory to test the sample of cells from the placenta.
Choice C is wrong because 10-14 days is the timeframe for the more detailed set of CVS results, not the rapid CVS result.
Choice D is wrong because 30 days is too long for the results to be available.
The woman would need to know the results sooner to make informed decisions about her pregnancy.
Correct Answer is B
Explanation
A low level of AFP (<0.5 MoM) in a pregnant woman can indicate that the fetus has a chromosomal abnormality, such as Down syndrome or Edwards syndrome.
This is because these conditions affect the development of the fetal liver, which produces AFP.
Choice A is wrong because neural tube defects, such as spina bifida, are associated with high levels of AFP (>2.5 MoM) in the maternal blood.
This is because AFP can leak from the open spinal canal of the fetus into the amniotic fluid and then into the maternal blood.
Choice C is wrong because maternal weight-related factors do not affect the level of AFP in the maternal blood.
However, they can affect the interpretation of the AFP test results, as the test needs to be adjusted for maternal weight, age, ethnicity, and gestational age.
Choice D is wrong because fetal demise (death) can also cause high levels of AFP in the maternal blood, as the AFP from the dead fetus can leak into the amniotic fluid and then into the maternal blood.
Normal ranges of AFP in pregnant women vary depending on the gestational age and the method of measurement.
Generally, normal levels of AFP are below 10 ng/ml in nonpregnant adults and below 2.5 MoM in pregnant women.
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