A client, at 6 weeks gestation, arrives at the OB clinic for her initial visit and requests to hear the fetal heartbeat.
What should the nurse include in the teaching regarding cardiac development?
The fetal heartbeat can be heard via Doppler by 4 weeks of pregnancy.
The fetal heartbeat can be heard by external Doppler around 10-12 weeks of pregnancy.
You will first feel your baby move in week 24 of pregnancy.
The heart formation begins in week 5 of pregnancy and we can hear it by Doppler at 6 weeks.
The Correct Answer is B
Choice A rationale
The fetal heartbeat cannot typically be heard via Doppler as early as 4 weeks of pregnancy. At this stage, the heart is still developing, and it is too soon for external detection with a Doppler device.
Choice B rationale
The fetal heartbeat is generally detectable by an external Doppler device around 10-12 weeks of pregnancy. This is the period when the heartbeat is strong enough to be picked up by the device.
Choice C rationale
Feeling the baby move, known as "quickening," typically occurs around 18-24 weeks of pregnancy, not 6 weeks. This sensation is different from hearing the heartbeat.
Choice D rationale
While the heart begins to form around week 5, it is not detectable by Doppler at 6 weeks. The technology does not have the sensitivity to detect such an early heartbeat externally.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
A 10% to 15% increase in blood volume during pregnancy is too low compared to the average physiological changes that occur.
Choice B rationale
A 20% to 30% increase in blood volume is also below the expected range of increase during pregnancy.
Choice C rationale
Blood volume typically increases by 40% to 50% during pregnancy. This significant increase supports the demands of the growing fetus and placenta and prepares the mother's body for the blood loss that occurs during delivery.
Choice D rationale
A 65% to 75% increase is an overestimate. Such an extensive increase would be abnormal and is not typical in healthy pregnancies.
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"A"}
Explanation
Based on the provided information, here is the completion of the sentence using the options:
The nurse assesses the Non-Stress Test (NST) and documents the results as Non-Reactive. The nurse contacts the provider and reports the NST results. The nurse anticipates an order for a Biophysical Profile.
A Non-Stress Test (NST) is used to monitor the fetal heart rate (FHR) and its response to fetal movements. A reactive NST indicates that there are accelerations in the FHR in response to fetal movements, which is a sign of fetal well-being. A non-reactive NST means that there are no accelerations in the FHR with fetal movements, suggesting that the fetus might not be as active or responding as expected.
In this case, the NST was non-reactive because there were no accelerations in the fetal heart rate. This can be a cause for concern, as it may indicate potential issues with the fetus that need further evaluation. Therefore, the nurse would document the NST as non-reactive and contact the provider for further assessment.
A Biophysical Profile (BPP) is often ordered after a non-reactive NST. The BPP is a more comprehensive test that includes an ultrasound to assess fetal movement, muscle tone, breathing movements, and amniotic fluid volume, in addition to another NST. This helps to provide a clearer picture of the fetus's well-being.
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