A nurse has administered methergine (methylergonovine) 0.2 mg to a grand multipara (G7, P6) who delivered vaginally 30 minutes earlier. Which of the following outcomes indicates that the medication is effective?
Pulse rate 80 and regular.
Fundus firm at umbilicus, lochia moderate.
Blood pressure 120/80.
Increase in prothrombin time.
The Correct Answer is B
Choice A rationale
A pulse rate of 80 and regular does not directly indicate Methergine's effectiveness. Normal pulse ranges from 60 to 100 beats per minute. This could result from overall stabilization rather than medication effect.
Choice B rationale
A firm uterine fundus at the umbilicus and moderate lochia indicate effective uterine contraction and hemostasis, reflecting successful intervention with Methergine in managing postpartum hemorrhage.
Choice C rationale
A blood pressure of 120/80 is within the normal adult range but does not specifically reflect Methergine's uterotonic action. Blood pressure monitoring is essential but not the primary efficacy indicator.
Choice D rationale
An increase in prothrombin time reflects coagulation changes but is unrelated to Methergine's mechanism of action. It focuses on hemostatic effects via uterine contractions rather than coagulation pathways.
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Correct Answer is B
Explanation
Choice A rationale
Surgical intervention is not the initial step for uterine atony as conservative measures, such as fundal massage, are prioritized to encourage uterine contraction and reduce bleeding.
Choice B rationale
Fundal massage stimulates uterine contraction by mechanically compressing the myometrium, which helps to constrict the spiral arteries and reduce hemorrhage caused by uterine atony.
Choice C rationale
Establishing venous access is critical for fluid resuscitation but does not directly address the underlying cause of hemorrhage, which requires mechanical or pharmacological uterine contraction.
Choice D rationale
Catheterizing the bladder can prevent displacement of the uterus but does not directly address uterine atony. An empty bladder supports fundal massage by allowing proper uterine positioning.
Correct Answer is C
Explanation
Choice A rationale
A respiratory rate of 75 breaths per minute exceeds the normal range of 30 to 60 breaths per minute in neonates. Tachypnea indicates distress, which necessitates immediate intervention to prevent complications.
Choice B rationale
A temperature of 96.5°F is below the normal neonatal range of 97.7°F to 99.5°F, suggesting hypothermia. This can impair enzyme activity, oxygen delivery, and thermoregulatory functions, requiring prompt warming measures.
Choice C rationale
Sucking or licking of the nipples reflects a positive response in kangaroo care, indicative of improved thermoregulation and bonding. This natural behavior also suggests a healthy neonate capable of initiating feeding.
Choice D rationale
Nasal flaring is a sign of respiratory distress, typically indicating increased effort to meet oxygen demands. This would not be considered a positive outcome and requires immediate evaluation and intervention.
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