A nurse is creating the plan of care for a client in active labor. Which of the following actions should the nurse include in the plan of care?
Keep four side rails up.
Insert an indwelling urinary catheter.
Check the cervix prior to administering medication.
Monitor the fetal heart rate (FHR) every hour.
The Correct Answer is C
Choice A rationale
Keeping four side rails up is a safety measure to prevent falls, but it is not specific to the care of a client in active labor. It is a general safety precaution used for clients who are at risk of falling or have impaired mobility.
Choice B rationale
Inserting an indwelling urinary catheter is not a routine action for a client in active labor. Catheterization is typically reserved for specific medical indications, such as urinary retention or the need for accurate urine output measurement in certain high-risk situations.
Choice C rationale
Checking the cervix prior to administering medication is crucial in active labor. This ensures that the medication is appropriate for the stage of labor and helps avoid complications such as administering pain relief too early or too late, which could affect labor progression and fetal well-being.
Choice D rationale
Monitoring the fetal heart rate (FHR) every hour is important, but it may not be frequent enough in active labor. Continuous or more frequent monitoring is often required to promptly detect any signs of fetal distress and take appropriate actions.
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Correct Answer is A
Explanation
Choice A rationale
This statement is incorrect. Vagus nerve stimulation actually decreases FHR variability. The vagus nerve, part of the parasympathetic nervous system, slows the heart rate and reduces variability.
Choice B rationale
This statement is correct. Baroreceptors are sensors located in blood vessels that help regulate blood pressure by detecting changes in the stretch of the vessel walls. They play a crucial role in maintaining stable blood pressure levels.
Choice C rationale
This statement is correct. The autonomic nervous system, which includes the sympathetic and parasympathetic nervous systems, controls the fetal heart rate. It regulates the balance between heart rate acceleration and deceleration.
Choice D rationale
This statement is correct. Chemoreceptors respond to changes in blood gas levels, such as oxygen and carbon dioxide. They help regulate respiratory and cardiovascular responses to maintain homeostasis.
Correct Answer is A
Explanation
Choice A rationale
Amniocentesis is a diagnostic test that involves extracting a small amount of amniotic fluid from the uterus to test for chromosomal abnormalities and genetic disorders. It is typically performed between 15 and 20 weeks of pregnancy. The fluid contains fetal cells and various chemicals produced by the baby, which can be analyzed to detect conditions such as Down syndrome, trisomy 18, and neural tube defects. This test is highly accurate and is often recommended when screening tests like the MSAFP indicate a potential issue.
Choice B rationale
A Nonstress Test (NST) is a non-invasive test that measures the fetal heart rate in response to its movements. It is used to assess fetal well-being, particularly in the third trimester, but it does not provide information about chromosomal abnormalities. The NST is typically used to monitor high-risk pregnancies and to ensure that the fetus is receiving enough oxygen.
Choice C rationale
A Biophysical Profile (BPP) combines an ultrasound with a Nonstress Test to evaluate the fetus’s health. It assesses fetal breathing movements, body movements, muscle tone, amniotic fluid volume, and heart rate reactivity. While it provides a comprehensive assessment of fetal well-being, it does not specifically diagnose chromosomal abnormalities. The BPP is often used in the third trimester to monitor high-risk pregnancies.
Choice D rationale
Chorionic Villus Sampling (CVS) is another diagnostic test that can detect chromosomal abnormalities and genetic disorders. It involves taking a small sample of placental tissue (chorionic villi) for analysis. CVS is typically performed between 10 and 13 weeks of pregnancy, earlier than amniocentesis. While it provides similar diagnostic information, it is not the test of choice following an abnormal MSAFP result, which is usually conducted later in pregnancy.