If the fetal monitor demonstrates the following pattern, which action would the nurse perform first? (Click on paperclip if image is not showing).
Prepare for vaginal delivery.
Administer oxygen at 8 to 10 liters via nasal cannula.
Turn the client or ask the client to turn on their side.
Perform a vaginal exam to assess for the umbilical cord.
The Correct Answer is C
Choice A rationale
Preparing for a vaginal delivery is not the immediate first action. The fetal heart rate pattern indicates potential fetal distress, which needs to be addressed and corrected before any definitive decisions about the mode of delivery are made. The priority is to improve uteroplacental blood flow and fetal oxygenation.
Choice B rationale
Administering oxygen at 8 to 10 liters via nasal cannula may be a secondary intervention if turning the client is not effective. The primary cause of late decelerations is uteroplacental insufficiency. While oxygen can help, the initial and most effective intervention is to reposition the mother to improve blood flow.
Choice C rationale
Late decelerations, which are characterized by a gradual decrease in fetal heart rate after the peak of a contraction and a gradual return to baseline after the contraction has ended, are most often caused by uteroplacental insufficiency. Turning the client on their side, particularly the left side, relieves pressure on the vena cava, improving venous return to the heart, which in turn increases uteroplacental blood flow and fetal oxygenation.
Choice D rationale
Performing a vaginal exam to assess for the umbilical cord is the appropriate intervention for variable decelerations, not late decelerations. Variable decelerations are caused by umbilical cord compression. A vaginal exam would not address the underlying issue of uteroplacental insufficiency responsible for late decelerations.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
This response is dismissive and does not address the patient's concerns. Providing accurate information empowers the patient to make informed decisions about their health. The nurse should always address patient concerns and provide education, especially when it relates to their birth experience and future reproductive health. Failing to do so can erode trust and negatively impact the patient-provider relationship.
Choice B rationale
This statement is an oversimplification and potentially inaccurate. The feasibility of a vaginal birth after a cesarean section (VBAC) depends on several factors, including the type of uterine incision. A classical vertical incision, for instance, is a strong contraindication due to a significantly increased risk of uterine rupture in subsequent pregnancies. The nurse must provide a more nuanced and accurate explanation.
Choice C rationale
This is an incorrect and potentially harmful statement. A previous cesarean section does not automatically preclude a future vaginal delivery. A vaginal birth after cesarean (VBAC) is a viable option for many individuals, particularly those who had a low transverse uterine incision. The decision is based on a careful assessment of risks and benefits with the patient's provider.
Choice D rationale
This statement is the most accurate and scientifically grounded response. The type of uterine incision is the most significant factor determining the safety of a future vaginal delivery. A low transverse incision has a lower risk of rupture during a trial of labor, making VBAC a safe option for many. A classical (vertical) incision, conversely, carries a high risk of uterine rupture, necessitating a repeat cesarean.
Correct Answer is D
Explanation
Choice A rationale
A fundus 3 finger-breadths below the umbilicus after voiding on the third postpartum day is a normal finding. Fundal height typically descends approximately one finger-breadth per day following delivery. This physiological process, known as involution, involves myometrial contraction and autolysis, leading to the uterus returning to its pre-pregnant size.
Choice B rationale
Mild uterine cramping that resolves with NSAIDs is a normal postpartum finding. This cramping, often called afterpains, is caused by intermittent myometrial contractions. These contractions are stimulated by endogenous oxytocin and are essential for compressing uterine blood vessels and preventing postpartum hemorrhage. NSAIDs inhibit prostaglandin synthesis, which is a key mediator of pain and uterine contractions.
Choice C rationale
A fundus 2 finger-breadths above the pubic symphysis after voiding on the third postpartum day would be an extremely low finding and is not indicative of subinvolution. This position suggests that the uterus has already undergone a significant amount of involution, which is not the pathology of subinvolution. The fundus should still be palpable abdominally at this stage.
Choice D rationale
Uterine subinvolution is a condition where the uterus fails to return to its pre-pregnant state at the expected rate. A fundus palpated at the umbilicus on the third postpartum day is abnormal. The fundus should have descended approximately three finger-breadths below the umbilicus by this time. This assessment finding indicates a delay in the phys
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