A nurse is teaching a client who is scheduled for a non-stress test. Which of the following information should the nurse include? Choice Options:
An IV will be initiated prior to the test.
The client will be asked to stimulate her nipples for 5 minutes during the test.
The client will receive an ultrasound prior to the test.
An external fetal monitor will be used to monitor the fetus.
The Correct Answer is D
Rationale for Choice A:
An IV is not routinely initiated prior to a non-stress test. It may be started if a biophysical profile (BPP), which includes an ultrasound, is also being performed, or if there is a risk of complications that may necessitate immediate intervention. However, it is not a standard part of the non-stress test itself.
Rationale for Choice B:
Nipple stimulation is not a standard component of a non-stress test. It may be used in some cases to try to induce fetal movement if the fetus is not moving actively enough during the test. However, it is not a routine part of the procedure.
Rationale for Choice C:
An ultrasound is not typically performed prior to a non-stress test. It may be done as part of a BPP, but it is not necessary for the non-stress test itself.
Rationale for Choice D:
An external fetal monitor is essential for conducting a non-stress test. This monitor uses two belts that are placed around the mother's abdomen. One belt measures the fetal heart rate, and the other belt measures uterine contractions. The monitor records the fetal heart rate and any contractions for a period of 20 to 40 minutes. The test is considered reactive (normal) if the fetal heart rate increases by at least 15 beats per minute for at least 15 seconds twice during the test. This acceleration in heart rate is typically in response to fetal movement.
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Related Questions
Correct Answer is D
Explanation
Rationale for Choice A:
An IV is not routinely initiated prior to a non-stress test. It may be started if a biophysical profile (BPP), which includes an ultrasound, is also being performed, or if there is a risk of complications that may necessitate immediate intervention. However, it is not a standard part of the non-stress test itself.
Rationale for Choice B:
Nipple stimulation is not a standard component of a non-stress test. It may be used in some cases to try to induce fetal movement if the fetus is not moving actively enough during the test. However, it is not a routine part of the procedure.
Rationale for Choice C:
An ultrasound is not typically performed prior to a non-stress test. It may be done as part of a BPP, but it is not necessary for the non-stress test itself.
Rationale for Choice D:
An external fetal monitor is essential for conducting a non-stress test. This monitor uses two belts that are placed around the mother's abdomen. One belt measures the fetal heart rate, and the other belt measures uterine contractions. The monitor records the fetal heart rate and any contractions for a period of 20 to 40 minutes. The test is considered reactive (normal) if the fetal heart rate increases by at least 15 beats per minute for at least 15 seconds twice during the test. This acceleration in heart rate is typically in response to fetal movement.
Correct Answer is C
Explanation
Choice A:
While fetal maturity is a factor in the timing of amniocentesis, it's not the primary reason for waiting until 14 weeks.
Earlier in pregnancy, fetal cells are less abundant in the amniotic fluid, making it more challenging to obtain a sufficient sample for accurate testing.
Additionally, the procedure carries a slightly higher risk of miscarriage before 14 weeks.
Choice B:
The audibility of the fetal heartbeat is not directly related to the timing of amniocentesis.
It's typically possible to hear the heartbeat by Doppler ultrasound around 10-12 weeks, but this doesn't mean there's enough amniotic fluid for amniocentesis.
Choice D:
The accuracy of genetic results is not dependent on the timing of amniocentesis after 14 weeks.
As long as a sufficient sample of amniotic fluid is obtained, the accuracy of the results is not affected by gestational age.
Choice C:
The most accurate explanation for why amniocentesis is not performed before 14 weeks is the amount of amniotic fluid. Before 14 weeks, there's typically not enough amniotic fluid to safely extract a sample without potentially harming the fetus or the placenta.
By 14 weeks, there's usually enough fluid to adequately cushion the fetus and the needle during the procedure, reducing the risks involved.
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