Registered Nurse Certified in Maternal Newborn Nursing (RNC-MNN) Practice Test

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Prepare for the RNC-MNN Test with flashcards and multiple choice questions. Each question comes with hints and explanations to aid your study. Gear up for success on exam day!

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What role does oxytocin play during the postpartum period?

Stimulates milk production
Reduces uterine size
Increases uterine contractions
Relaxes uterine muscles

The correct answer is: Increases uterine contractions

During the postpartum period, oxytocin plays a significant role in increasing uterine contractions. After childbirth, oxytocin is released in response to the physical stimulation of the uterus and nipple. This hormone promotes the contraction of the smooth muscles of the uterus, which is essential for several reasons. Firstly, these contractions help to expel the placenta, reducing the risk of hemorrhage. Secondly, the continual contractions contribute to the process of uterine involution— the reduction of the uterus back to its pre-pregnancy size—which helps prevent complications such as postpartum hemorrhage and infection. Additionally, the release of oxytocin can have a calming and bonding effect between the mother and her newborn, facilitating breastfeeding as well. Understanding the role of oxytocin in this context is crucial for nurses, as they must monitor uterine tone and assess the mother for potential complications during the postpartum period.