A nurse is caring for a client who is in active labor.
The nurse notes late decelerations in the fetal heart rate on the monitor tracing. Which of the following actions should the nurse take first?
Initiate internal fetal heart rate monitoring.
Assist the client to a left lateral position.
Palpate the client's uterus for tachysystole.
Increase the infusion rate of the maintenance IV fluid.
The Correct Answer is B
Choice A rationale
Initiating internal fetal heart rate monitoring is an invasive procedure that is not the priority for a non-reassuring fetal heart rate pattern like late decelerations, which often indicate uteroplacental insufficiency. The first step involves non-invasive intrauterine resuscitation measures to immediately improve fetal oxygenation before considering invasive monitoring, unless the external tracing is inadequate.
Choice B rationale
Late decelerations are an indication of uteroplacental insufficiency (decreased blood flow/oxygen to the fetus during the contraction). Assisting the client to a left lateral position is the priority nursing action because it relieves pressure from the gravid uterus on the vena cava, which in turn maximizes venous return to the heart and increases blood flow and oxygen delivery to the placenta and fetus.
Choice C rationale
While uterine tachysystole (excessive frequency of contractions, greater than five in 10 minutes over 30 minutes) can cause late decelerations, palpating for it is not the absolute first action. The immediate priority is to improve fetal oxygenation by repositioning the mother. Palpation for tachysystole, however, is a quick assessment that should follow the repositioning intervention.
Choice D rationale
Increasing the infusion rate of the maintenance IV fluid (an IV fluid bolus) is a critical step in intrauterine resuscitation for late decelerations. It increases maternal blood volume, which can improve placental perfusion. However, repositioning the client is generally the most immediate, least invasive, and first step to correct or improve the blood flow to the placenta and fetus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A rationale
Consistent crying is considered a late cue of hunger in a newborn. Crying, a complex physiological and behavioral response, requires a high expenditure of energy and is an indication that the newborn is already significantly distressed by hunger and needs to be fed immediately to avoid excessive agitation and difficulty latching.
Choice B rationale
The rooting reflex involves the newborn turning their head toward any stimulation of their cheek or mouth and opening their mouth, which is an innate physiological response critical for locating the nipple. This is a primary early hunger cue, indicating the newborn is ready and searching for a food source, initiating feeding efforts.
Choice C rationale
Sucking motions, such as rapid, repetitive sucking on the lips, tongue, or anything near the mouth, are direct early behavioral manifestations of the newborn's innate physiological need for nourishment. This action is a preparatory step for feeding, indicating readiness for oral intake and satiation of hunger.
Choice D rationale
Hand-to-mouth movements are a key early hunger cue, demonstrating the newborn's increasing drive to seek oral stimulation and food. This behavior is part of the newborn's reflexive self-soothing and exploratory repertoire, signaling a rising level of hunger before the onset of overt distress or crying.
Choice E rationale
The Babinski reflex is a normal neurological response in infants where the great toe extends upward and the other toes fan out when the sole of the foot is firmly stroked. It is a primitive reflex related to neurological development and is not an indicator of hunger or feeding readiness.
Correct Answer is A
Explanation
Choice A rationale
Methylergonovine is an uterotonic agent that acts on the smooth muscle of the uterus to stimulate strong, sustained contractions, which are essential for compressing the intramyometrial blood vessels and achieving hemostasis to stop postpartum hemorrhage, especially from uterine atony.
Choice B rationale
While oxygen is important for hypoxia secondary to blood loss, administering it at 2 L/min via nasal cannula is typically insufficient for a client experiencing significant hemorrhage. High-flow oxygen, such as 10 to 15 L/min via nonrebreather mask, is usually required to maximize oxygen saturation.
Choice C rationale
Starting an IV bolus of Dextrose 5.
Choice D rationale
The knee-chest position is generally used to relieve cord compression or help with the manual rotation of the fetus, but it is not an established intervention for managing postpartum hemorrhage. The client should be positioned flat with legs elevated to promote venous return and manage shock.
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