When the mother's membranes rupture during active labor, the fetal heart rate should be observed for the occurrence of which periodic pattern?
Increase in baseline variability.
Non-periodic accelerations.
Early decelerations.
Variable decelerations.
The Correct Answer is D
Choice A rationale
An increase in baseline variability is generally considered a reassuring sign of fetal well-being, indicating a responsive central nervous system and adequate oxygenation. While important to monitor, it is not a specific periodic pattern to observe immediately following membrane rupture due to potential cord compression. Normal baseline variability ranges from 6 to 25 beats per minute.
Choice B rationale
Non-periodic accelerations are abrupt increases in fetal heart rate above the baseline, typically lasting less than 30 seconds. They are usually a reassuring sign, often occurring with fetal movement or stimulation. While their presence is noted, they are not the primary periodic pattern to observe immediately after membrane rupture for potential complications.
Choice C rationale
Early decelerations are gradual decreases in fetal heart rate that mirror the uterine contractions. They are thought to be caused by fetal head compression and are generally considered benign. While their presence is documented, they are not the most concerning pattern immediately after membrane rupture, which raises the risk of cord issues.
Choice D rationale
Variable decelerations are abrupt decreases in fetal heart rate that are variable in timing and shape in relation to uterine contractions. They are often caused by umbilical cord compression, which is a significant risk factor immediately following the rupture of membranes, as the fluid cushion around the cord is reduced. Prompt identification is crucial for intervention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Hypotonic uterine dysfunction typically occurs in the active phase of labor (after 4 cm cervical dilation) and is characterized by weak, infrequent, and ineffective contractions that do not lead to cervical change. The client in the latent phase with slow cervical change is not yet in the active phase.
Choice B rationale
The latent phase of the first stage of labor is characterized by irregular, mild to moderate contractions that cause slow, gradual cervical dilation and effacement. It can be lengthy, especially in primigravidas, and the discomfort can be significant. A cervical dilation of 2 cm with no change in 3 hours in the presence of painful, erratic contractions every 5 to 10 minutes aligns with a normal latent phase.
Choice C rationale
Hypertonic uterine dysfunction usually occurs in the latent phase and is characterized by frequent, uncoordinated, and strong contractions that are ineffective in causing cervical dilation or effacement. While the contractions are painful, they are not described as excessively strong or uncoordinated, and the client is in the expected early stage of labor.
Choice D rationale
Precipitous labor is a very rapid labor and delivery, typically lasting less than 3 hours from the onset of regular contractions to expulsion of the fetus. The client's labor is progressing slowly, with minimal cervical change over 3 hours, which is the opposite of precipitous labor.
Correct Answer is C
Explanation
Choice A rationale
Assessing vital signs is important in evaluating a postpartum hemorrhage, but it is not the immediate priority. Significant blood loss can occur before changes in vital signs become apparent due to compensatory mechanisms in the body. Addressing the source of bleeding is the initial critical step.
Choice B rationale
Calling the primary health care provider is a necessary step, but it should occur after the nurse has taken immediate action to address the likely cause of the excessive bleeding. Direct intervention to control the hemorrhage takes precedence over notification.
Choice C rationale
Massaging the fundus is the highest priority because uterine atony, a soft and boggy uterus that does not contract effectively, is the most common cause of early postpartum hemorrhage. Stimulating uterine contraction by massage can help to compress the blood vessels at the placental site and reduce bleeding.
Choice D rationale
Initiating an intravenous (IV) infusion of Ringer's lactate solution is important for volume replacement if bleeding is significant, but it is not the immediate first action. Addressing the uterine atony through fundal massage should be done first to try and control the bleeding.
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