The healthcare provider prescribes oxytocin 10 units/L IV infusion to augment a client's labor because she is experiencing a prolonged active phase.
Which finding would cause the nurse to immediately discontinue the oxytocin?
Four contractions in 10 minutes.
The uterus is soft.
Early decelerations of the fetal heart rate.
Contraction duration of 100 seconds.
The Correct Answer is D
Choice A rationale
Four contractions in 10 minutes is within the normal range for labor augmentation with oxytocin. The goal is to achieve an adequate contraction pattern, which is typically considered to be 2 to 5 contractions in a 10-minute period. This finding indicates that the medication is having the desired effect without causing hyperstimulation of the uterus.
Choice B rationale
A soft uterus between contractions is a normal finding and indicates adequate uterine relaxation. This is a positive sign that the uterus is not experiencing hyperstimulation or tetanic contractions. Uterine hyperstimulation is a risk of oxytocin use and is characterized by a lack of resting tone and an inability of the uterus to relax.
Choice C rationale
Early decelerations are typically benign and are caused by fetal head compression during a contraction. They are characterized by a gradual decrease in fetal heart rate that mirrors the uterine contraction. These are not usually a sign of fetal distress and do not warrant the immediate discontinuation of oxytocin.
Choice D rationale
A contraction duration of 100 seconds is an abnormal finding and indicates uterine hyperstimulation. Normal contraction duration is 60 to 90 seconds. Prolonged contractions reduce placental blood flow and can lead to fetal hypoxia and distress. This finding necessitates the immediate discontinuation of oxytocin to prevent adverse fetal outcomes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Zidovudine is a nucleoside reverse transcriptase inhibitor (NRTI). It works by inhibiting the enzyme reverse transcriptase, which is crucial for the replication of retroviruses like HIV. It does not possess any antifungal properties. Fungal infections, such as candidiasis, are often treated with antifungal agents like fluconazole, not antiretroviral drugs.
Choice B rationale
Chorioamnionitis is an intrauterine infection of the chorion and amnion, typically caused by ascending bacteria. It is treated with broad-spectrum antibiotics to address the bacterial etiology. Zidovudine is an antiviral medication specifically targeting the replication of HIV and is ineffective against bacterial infections.
Choice C rationale
Zidovudine works by inhibiting reverse transcriptase, thereby preventing the viral RNA of HIV from being converted into DNA. This mechanism significantly reduces the viral load in the mother and the risk of transplacental transmission to the fetus. This strategy is a cornerstone of preventing perinatal HIV transmission.
Choice D rationale
While zidovudine is a component of highly active antiretroviral therapy (HAART) for managing HIV infection in adults, its primary purpose in the context of labor and delivery is to prevent vertical transmission to the newborn. The treatment regimen for the mother's own HIV complications is a separate, long-term protocol.
Correct Answer is B
Explanation
Choice A rationale
While obtaining a smoking history is a crucial component of an adolescent's health assessment, it is not the most important initial intervention. Building rapport and creating a confidential environment are foundational for encouraging open communication. By prioritizing sensitive questions like smoking history first, the nurse may risk alienating the adolescent and hindering the overall health history process.
Choice B rationale
Adolescents often feel more comfortable and are more likely to disclose sensitive information, such as substance use, sexual activity, or mental health concerns, when their parents are not present. This provides a confidential and private setting that respects their autonomy and encourages them to speak openly and honestly, which is essential for a comprehensive and accurate health history.
Choice C rationale
Assessing for the use of illicit drugs is a critical part of a comprehensive health history for an adolescent. However, it is a specific component of the interview that should occur after a foundation of trust and confidentiality has been established. This question, if asked prematurely, may cause the adolescent to become defensive or reluctant to share other important health information.
Choice D rationale
Evaluating vital signs and lab findings is an important part of any health assessment. However, it is a physical or objective data collection step, not an intervention for obtaining a health history. The most important initial intervention when conducting a health history with an adolescent is to establish an environment of trust and confidentiality, which is a prerequisite for gathering subjective data.
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