A nurse is admitting a client who is at 39 weeks of gestation and who states, "My water broke on the way to the hospital.”. Which of the following actions should the nurse take first?
Ask the client about the color of the fluid.
Determine the fetal heart rate.
Monitor cervical dilation.
Obtain the client's vaginal pH.
The Correct Answer is B
Choice A rationale
Asking about the fluid's color (clear, meconium-stained, bloody) provides information about fetal well-being and potential complications (like meconium aspiration), but it is a secondary assessment. While important, it does not supersede the need to immediately assess the most urgent physiological parameter of fetal status, which is the heart rate.
Choice B rationale
The rupture of membranes (water breaking) carries a risk of prolapsed umbilical cord, which can severely compromise fetal oxygenation by compressing the umbilical vessels. Determining the fetal heart rate (FHR) immediately is the priority action to identify signs of fetal distress, such as bradycardia (FHR <110 beats/min), indicating cord compression. The normal FHR range is 110-160 beats/min.
Choice C rationale
Monitoring cervical dilation is necessary to determine the stage and progress of labor. However, in the setting of ruptured membranes, assessing the immediate safety and stability of the fetus takes precedence over checking labor progress. A vaginal exam to check dilation is done after assessing FHR and ruling out immediate emergencies like cord prolapse.
Choice D rationale
Determining the vaginal pH with Nitrazine paper can confirm if the fluid is amniotic fluid (alkaline, pH 7.0-7.5) or urine/vaginal secretions (acidic). While this confirms the rupture of membranes, establishing the status of the fetus by assessing the FHR is the most critical and life-saving priority action to take first to prevent or quickly address fetal hypoxia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"C"},"B":{"answers":"C"},"C":{"answers":"C"},"D":{"answers":"C"},"E":{"answers":"C"},"F":{"answers":"B"}}
Explanation
Explanation
- Moderate maternal bleeding
- In a patient with HELLP and thrombocytopenia, bleeding suggests coagulopathy (DIC) or placental abruption. This is a serious worsening sign.
- Ringing in ears (tinnitus)
- Could be a side effect of magnesium sulfate toxicity or a neurological symptom of worsening preeclampsia. Either way, it’s concerning and not a sign of improvement.
- Sharp, stabbing abdominal pain
- RUQ/epigastric pain worsening into sharp pain raises concern for liver capsule distension or rupture (life-threatening complication of HELLP) or placental abruption. This is a red flag.
- BP 180/100 mm Hg
- Despite antihypertensive therapy, this is severe hypertension (≥160/110 mm Hg). Indicates poor control and worsening maternal risk.
- FHR 80/min with absent variability
- This is severe fetal bradycardia with no variability, indicating fetal hypoxia/distress. This is an obstetric emergency.
- PT 12 seconds
- Within normal range (11–13.5 sec). This suggests no current coagulopathy and is the only stable/improving finding.
Almost all findings point to worsening maternal and fetal condition, except for the PT which is stable. The nurse should immediately notify the provider, anticipate emergency delivery (likely induction or cesarean), and continue close monitoring for magnesium toxicity and bleeding complications.
Correct Answer is B
Explanation
Choice A rationale
Oxygen is typically administered for fetal distress or maternal hypoxemia, not routinely for pain management or epidural preparation. The priority before an epidural is often to stabilize maternal blood pressure, as the procedure frequently causes vasodilation and subsequent hypotension due to sympathetic blockade.
Choice B rationale
A key side effect of epidural anesthesia is hypotension caused by peripheral vasodilation from sympathetic nerve blockade. Administering a pre-procedure intravenous (IV) fluid bolus (e.g., normal saline or lactated Ringer's) increases circulating blood volume, effectively helping to minimize the risk and severity of this common hemodynamic change.
Choice C rationale
Ondansetron is a serotonin antagonist primarily used to treat nausea and vomiting. While sometimes used for these side effects in labor, it is not the priority action before an epidural. Fluid administration to prevent hypotension is the critical immediate prophylactic measure required for maternal safety.
Choice D rationale
While epidurals are commonly placed in the active phase of labor (usually 4 to 5 cm dilation or more), delaying the procedure until 7 cm is an outdated and arbitrary practice. The timing is determined by maternal request, pain level, and clinical assessment, not a rigid cervical dilation number, as effective pain relief is crucial.
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