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 A
Explanation
Choice A rationale:
Hispanic women: While Hispanic cultures often emphasize strength and resilience, their expression of pain during labor can vary significantly. Some may vocalize their pain while others may remain more stoic. It's important to avoid generalizations and assess each individual's preferences and needs.
Choice B rationale:
Chinese women: In traditional Chinese culture, stoicism in the face of pain is often valued. This may be rooted in Confucianism, which emphasizes self-control and endurance. Women may be less likely to express their pain during labor to avoid appearing weak or losing face. They may also believe that vocalizing pain could negatively impact the birthing process. However, as labor progresses, they may become more vocal and request pain relief.
Choice C rationale:
Caucasian/European women: Caucasian women exhibit diverse responses to labor pain, influenced by personal experiences, cultural beliefs, and social expectations. Some may express their pain openly, while others may prefer to manage it quietly. It's crucial to avoid stereotyping and provide individualized care.
Choice D rationale:
African-American women: African-American women often express their pain during labor more openly than some other cultural groups. This may be due to historical experiences of racism and discrimination in healthcare, leading to a distrust of medical professionals and a greater reliance on self-advocacy. They may also have a stronger sense of community and support networks that encourage open expression of pain.
Correct Answer is A
Explanation
Choice A rationale:
Fetal position during the first trimester is not definitively determined through ultrasound. While the gestational sac and fetal pole can be visualized, the fetus is still quite small and has ample space to move within the amniotic sac. This makes it challenging to accurately ascertain its position.
Reliable assessment of fetal position typically occurs later in pregnancy, usually between 34 and 36 weeks gestation. At this point, the fetus is larger and less mobile, allowing for a clearer assessment of its position through ultrasound.
The early determination of fetal position in the first trimester is not a primary goal of ultrasound. It is more focused on establishing pregnancy viability, gestational age, and detecting any potential abnormalities.
Choice B rationale:
Ultrasound in the first trimester can reliably detect multiple gestations. It can visualize the presence of multiple gestational sacs or fetal poles, clearly indicating whether a woman is carrying twins, triplets, or more.
Early identification of multiple gestations is crucial for optimal pregnancy management. It allows healthcare providers to tailor prenatal care, monitor for potential complications associated with multiple pregnancies, and plan for appropriate delivery. Choice C rationale:
Ultrasound in the first trimester can assist in detecting certain maternal abnormalities that could impact pregnancy. These may include:
Uterine abnormalities, such as fibroids or structural defects
Ovarian cysts
Ectopic pregnancies (where the embryo implants outside the uterus)
Gestational trophoblastic disease (abnormal growth of tissue inside the uterus)
Early identification of these maternal abnormalities allows for timely intervention and management, ensuring the best possible outcomes for both mother and fetus.
Choice D rationale:
Confirming pregnancy is a primary reason for ultrasound in the first trimester. It can visualize the gestational sac, which contains the developing embryo and confirms the presence of a pregnancy.
Ultrasound can also detect the fetal heartbeat, which typically becomes visible between 6 and 8 weeks gestation. This provides further confirmation of a viable pregnancy.
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