A laboring client received nalbuphine (Nubain) IV 90 minutes before she gave birth.
Which of the following medications should be available to reduce the postnatal effects of nalbuphine (Nubain) on the neonate?
Naloxone (Narcan)
Ephedrine
Promethazine (Phenergan)
Fentanyl (Sublimaze)
Fentanyl (Sublimaze)
The Correct Answer is A
Choice A rationale:
Naloxone is an opioid antagonist. It works by binding to opioid receptors in the brain and body, reversing the effects of opioids. This includes respiratory depression, which is a major concern in neonates exposed to opioids during labor.
Nalbuphine is an opioid agonist-antagonist. This means that it has both agonist and antagonist effects at opioid receptors. At low doses, it acts primarily as an agonist, providing pain relief. However, at higher doses, it can also act as an antagonist, blocking the effects of other opioids.
Naloxone can effectively reverse the respiratory depression caused by nalbuphine in neonates. It is a safe and effective medication that is commonly used for this purpose.
Naloxone should be readily available whenever opioids are administered to a laboring woman. This is to ensure that it can be administered promptly if the neonate experiences respiratory depression.
Choice B rationale:
Ephedrine is a sympathomimetic drug. It works by stimulating the sympathetic nervous system. This can cause a number of effects, including increased heart rate, blood pressure, and respiratory rate.
Ephedrine is not effective in reversing the respiratory depression caused by opioids. It may even worsen the situation by increasing the neonate's oxygen demand.
Ephedrine is not a safe or effective medication for use in neonates. It can cause serious side effects, such as tachycardia, hypertension, and arrhythmias.
Choice C rationale:
Promethazine is a phenothiazine antiemetic. It is commonly used to treat nausea and vomiting.
Promethazine does not have any effects on opioid receptors. It is not effective in reversing the respiratory depression caused by opioids.
Promethazine can cause sedation and respiratory depression in neonates. It should be used with caution in this population.
Choice D rationale:
Fentanyl is a potent opioid analgesic. It is similar to nalbuphine in that it is an opioid agonist.
Fentanyl would not be effective in reversing the respiratory depression caused by nalbuphine. In fact, it would likely worsen the situation by further depressing the neonate's respiratory system.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is C. The test results are normal.
Choice A rationale:
A biophysical profile (BPP) score of 8 does not necessarily indicate a need for immediate cesarean delivery.
Cesarean delivery is typically reserved for cases where there is a clear and urgent risk to the health of the mother or fetus, such as severe fetal distress or placental abruption.
A score of 8, while not the highest possible score, is still within the normal range and does not, by itself, constitute a reason for immediate surgical intervention.
Choice B rationale:
Additional tests may be considered in certain cases, such as when the BPP score is borderline or when there are other risk factors present.
However, a score of 8 is generally considered reassuring and does not typically warrant further testing.
It's essential to evaluate the BPP score in the context of the overall clinical picture, including the gestational age, maternal health, and fetal history.
Choice D rationale:
While an obstetric specialist may review the BPP results and discuss delivery options with the patient, this is not typically done within a week for a score of 8.
A score of 8 indicates reassuring fetal well-being, and there is usually no need for such urgent consultation or decision-making.
The timing of delivery discussions would depend on the overall clinical situation and the patient's individual preferences.
Choice C rationale:
A BPP score of 8 is considered normal.
It suggests that the fetus is well-oxygenated and has normal heart rate, breathing movements, muscle tone, and amniotic fluid levels.
This score does not raise immediate concerns about fetal well-being and does not typically require any immediate interventions.
Correct Answer is A
Explanation
Choice A rationale:
Bishop score: A tool used to assess the readiness of the cervix for labor induction. It evaluates factors such as cervical dilation, effacement, consistency, position, and station of the fetal presenting part.
Score ranges from 0 to 13: A higher score indicates a more favorable cervix for induction.
Score of 6 or less: Induction is less likely to be successful.
Score of 9 or higher: Induction is more likely to be successful.
Nurses understand: The importance of the Bishop score in predicting the likelihood of successful induction.
Nurses use this information: To counsel patients about the risks and benefits of induction, to prepare for induction, and to monitor progress during induction.
Choice B rationale:
Not always done for medical reasons: Induction can also be elective, meaning it is chosen for non-medical reasons, such as convenience or a desire to avoid a post-term pregnancy.
Examples of medical reasons:
Gestational hypertension or preeclampsia
Fetal growth restriction
Prolonged pregnancy
Chorioamnionitis
Oligohydramnios
Choice C rationale:
Trial of labor (TOL): A term used to describe a vaginal birth attempt after a previous cesarean delivery.
Not synonymous with induction of labor: TOL can occur spontaneously or be induced.
Choice D rationale:
Not always electively done at 37 weeks' gestation: The decision to induce labor at 37 weeks is made on a case-by-case basis.
Factors considered:
Maternal and fetal health
Bishop score
Patient preferences
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