A nurse is caring for a client who is receiving 1 milliunit/min of oxytocin for the induction of labor.
The provider prescription reads to increase the rate by 1 milliunit per/min every 30 min until the client demonstrates an expected labor pattern.
The cervical Bishop score is 2. The monitor indicates contractions every 1 min.
Which of the following findings indicates the nurse should titrate the infusion rate to 2 milliunits/min after the first 30 min?
The client's contractions palpate as mild.
The client experiences spontaneous rupture of membranes.
The client's pain level decreases.
The client's blood pressure stabilizes.
The Correct Answer is A
Choice A rationale
Palpating contractions as mild indicates that the current oxytocin dose is likely insufficient to achieve an expected labor pattern. Oxytocin aims to induce moderate-to-strong uterine contractions, typically occurring every 2-3 minutes, lasting 40-90 seconds. Mild contractions suggest suboptimal uterine activity, justifying an increase in the infusion rate to stimulate more effective contractions.
Choice B rationale
Spontaneous rupture of membranes is a natural progression of labor and does not directly indicate the need to titrate oxytocin based on uterine contraction effectiveness. While rupture of membranes can accelerate labor, the oxytocin titration decisions are primarily based on the intensity and frequency of uterine contractions, not the status of the amniotic sac.
Choice C rationale
A decrease in the client's pain level is not an indicator for titrating oxytocin for labor induction. Pain is subjective and influenced by various factors, including analgesia. Oxytocin titration is guided by objective measures of uterine activity and cervical change, aiming for an adequate labor pattern rather than pain management.
Choice D rationale
Stabilization of the client's blood pressure, while desirable, is not a direct parameter for titrating oxytocin to achieve an expected labor pattern. Oxytocin's primary effect is on uterine contractility, and titration decisions are based on the frequency, duration, and intensity of contractions, and cervical dilation, not systemic blood pressure changes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
The critical congenital heart disease (CCHD) screening is typically performed when the newborn is between 24 and 48 hours of age, or just prior to discharge if that occurs earlier. Performing the test too early, such as between 6 and 12 hours, might yield false negative results due to the persistence of transitional circulation.
Choice B rationale
The results of the CCHD screening are typically available immediately, or within a few minutes, as it involves pulse oximetry readings. There is no waiting period of 1 to 2 weeks for the results, allowing for prompt identification and management of potential cardiac defects, preventing delays in care.
Choice C rationale
The CCHD screening specifically compares the oxygen saturation in the newborn's right hand (pre-ductal) and either foot (post-ductal). A significant difference between these two readings can indicate a shunt or obstruction within the heart or great vessels, suggesting a potential critical congenital heart defect.
Choice D rationale
Collecting a blood sample from the newborn's heel is the procedure for the newborn metabolic screening, which screens for various genetic and metabolic disorders, not the critical congenital heart disease screening. The CCHD screening is a non-invasive test performed using pulse oximetry.
Correct Answer is D
Explanation
Choice A rationale
Urinary output of 20 mL/hr is indicative of oliguria, which is a significant adverse effect of magnesium sulfate therapy. Magnesium is renally excreted, and decreased urinary output can lead to magnesium toxicity. The desired urinary output for a client receiving magnesium sulfate should be at least 25 to 30 mL/hr to ensure adequate drug excretion.
Choice B rationale
Fetal heart rate pattern with minimal variability is a concerning finding and can indicate central nervous system depression in the fetus, potentially due to excessive magnesium levels. Normal fetal heart rate variability reflects a healthy autonomic nervous system. Magnesium sulfate's therapeutic effect is on the mother, not directly on fetal heart rate variability.
Choice C rationale
A change in fetal heart rate from 150/min to 166/min, while still within the normal range (110-160 bpm), does not directly indicate the desired therapeutic effect of magnesium sulfate for preeclampsia. This fluctuation could be due to various factors and is not a primary indicator of successful seizure prophylaxis or blood pressure control.
Choice D rationale
Magnesium sulfate is a central nervous system depressant that works by blocking neuromuscular transmission, thereby reducing hyperreflexia associated with preeclampsia. A decrease in deep tendon reflexes from 4+ (hyperactive) to 2+ (normal) indicates that the medication is achieving its desired therapeutic effect of central nervous system depression and reducing seizure risk.
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