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When interpreting a fetal monitoring tracing, which of the following findings would require the nurse to intervene?

A.

Presence of late decelerations.

B.

Variability in fetal heart rate of 12 bpm.

C.

Accelerations in fetal heart rate.

D.

Baseline fetal heart rate of 140 bpm.

Answer and Explanation

The Correct Answer is A

Choice A rationale

 

Late decelerations are a sign of uteroplacental insufficiency and fetal hypoxia. They occur after the peak of a contraction and indicate that the fetus is not receiving enough oxygen. This requires immediate intervention to improve fetal oxygenation and prevent fetal distress.

 

Choice B rationale

 

Variability in fetal heart rate of 12 bpm is considered moderate variability, which is a reassuring sign of fetal well-being. It indicates that the fetus has a healthy autonomic nervous system and is not in distress.

 

Choice C rationale

 

Accelerations in fetal heart rate are also a reassuring sign. They indicate that the fetus is well-oxygenated and responding appropriately to stimuli. No intervention is needed for accelerations.

 

Choice D rationale

 

A baseline fetal heart rate of 140 bpm is within the normal range (110-160 bpm) and does not indicate any immediate concern. It is a sign of a healthy, well-oxygenated fetus.


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View Related questions

Correct Answer is B

Explanation

Choice A rationale

Early decelerations are characterized by a gradual decrease and return to baseline of the fetal heart rate that coincides with the peak of a contraction. They are typically benign and related to fetal head compression.

Choice B rationale

Late decelerations are characterized by a gradual decrease and return to baseline of the fetal heart rate that occurs after the peak of a contraction. They are associated with uteroplacental insufficiency and require prompt intervention to improve fetal oxygenation.

Choice C rationale

Variable decelerations are characterized by an abrupt decrease in fetal heart rate that varies in duration, intensity, and timing relative to contractions. They are often caused by umbilical cord compression and may require interventions to relieve the compression.

Choice D rationale

Prolonged decelerations are characterized by a decrease in fetal heart rate that lasts longer than 2 minutes but less than 10 minutes. They indicate a more severe and sustained disruption in fetal oxygenation and require immediate intervention.

Correct Answer is A

Explanation

Choice A rationale

This statement is incorrect because Stage 2 of labor does not involve the delivery of the placenta. Stage 2 starts with the complete dilation and effacement of the cervix and ends with the delivery of the fetus. The delivery of the placenta occurs in Stage 3 of labor.

Choice B rationale

This statement is correct. Stage 2 of labor begins with complete effacement and dilation of the cervix. This stage is characterized by the mother pushing and the eventual delivery of the baby.

Choice C rationale

This statement is also correct. Stage 2 starts when the cervix is fully dilated, allowing the mother to start pushing. This stage continues until the baby is born.

Choice D rationale

This statement is incorrect. Stage 2 ends with the delivery of the fetus, not the placenta. The delivery of the placenta is part of Stage 3 of labor.

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