Which of the following maneuvers is most commonly used first to relieve shoulder dystocia during childbirth?
Episiotomy.
McRoberts maneuver.
Zavanelli maneuver.
Fundal pressure.
The Correct Answer is B
Choice A rationale
Episiotomy involves an incision in the perineum to enlarge the vaginal opening. While it can facilitate delivery, it does not directly address the mechanical obstruction caused by the shoulder impacting against the maternal symphysis pubis, which is the hallmark of shoulder dystocia.
Choice B rationale
The McRoberts maneuver is most commonly used first to relieve shoulder dystocia. It involves hyperflexing the maternal hips onto the abdomen, which flattens the sacrum, rotates the symphysis pubis cephalad, and often allows the impacted anterior shoulder to clear underneath the symphysis pubis, facilitating delivery.
Choice C rationale
The Zavanelli maneuver involves pushing the fetal head back into the birth canal and performing a Cesarean section. This is a highly invasive and often last-resort maneuver, employed only after less invasive methods like McRoberts and suprapubic pressure have failed due to its significant risks.
Choice D rationale
Fundal pressure involves applying downward pressure on the top of the uterus. This maneuver is contraindicated in shoulder dystocia because it can worsen the impaction of the fetal shoulder against the maternal symphysis pubis, potentially leading to more severe injury to the fetus or mother.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Drinking tap water is not a primary concern with nerve agent exposure as these agents primarily affect the nervous system through inhalation, dermal absorption, or ingestion of contaminated food/water sources, not through tap water unless the water source itself is contaminated. Public water systems are usually well-protected.
Choice B rationale
While staying indoors with doors and windows closed is a valid protective measure against airborne contaminants like nerve agents, it doesn't encompass the full range of exposure routes, as nerve agents can also be absorbed dermally. Therefore, this statement alone is incomplete for effective teaching.
Choice C rationale
Nerve agents are organophosphorus compounds that inhibit acetylcholinesterase, leading to cholinergic crisis. They are highly volatile and can be inhaled as vapor or aerosol, or absorbed through the skin and mucous membranes, which makes this statement accurate regarding exposure pathways.
Choice D rationale
Decontamination from nerve agents typically involves immediate removal of contaminated clothing and washing with copious amounts of soap and water, or using reactive skin decontamination lotion (RSDL). However, bactericidal soap and hot water alone may not be sufficient for complete decontamination, and specialized decontamination procedures are often required in a hazardous material situation.
Correct Answer is ["B","D","E","F"]
Explanation
Choice A rationale
Implementing punitive measures for staff involved in errors can create a culture of fear, discouraging the reporting of errors and near misses. This inhibits the identification of systemic issues and prevents thorough investigation, ultimately hindering effective quality improvement. A blame-free environment is crucial for fostering open communication and learning from mistakes.
Choice B rationale
Providing additional training on medication safety protocols enhances nurses' knowledge and adherence to best practices. This directly addresses potential knowledge deficits or skill gaps that contribute to errors, improving medication administration techniques and promoting a safer environment for patients. Education reinforces critical safety principles and reduces variability in practice.
Choice C rationale
Removing nurses who make errors from direct patient care without proper investigation and support can be demoralizing and does not address the underlying systemic issues contributing to the errors. It can lead to staff shortages and a negative work environment, potentially increasing the risk of errors among remaining staff due to increased workload and stress.
Choice D rationale
Encouraging staff to report near misses without fear of punishment promotes a just culture. Near misses offer valuable insights into potential system failures and opportunities for proactive intervention before actual harm occurs. This fosters a learning environment where safety concerns are openly discussed and addressed, leading to system-wide improvements.
Choice E rationale
Conducting a root cause analysis of reported errors is a systematic process to identify the fundamental reasons for errors, not just the superficial symptoms. This in-depth investigation helps uncover system vulnerabilities, process flaws, or environmental factors that contribute to adverse events, enabling the development of targeted and effective interventions.
Choice F rationale
Auditing medication administration practices regularly provides objective data on adherence to protocols and identifies areas for improvement. This allows for continuous monitoring of performance, detection of emerging issues, and evaluation of the effectiveness of implemented interventions. Regular audits are essential for sustaining quality improvements and ensuring ongoing patient safety.
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