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The labor and delivery nurse is caring for a client in active labor.

The nurse notes the fetal heart rate baseline is 175 bpm, moderate variability.

Accelerations are absent and no decelerations noted.

 

How should the nurse describe this tracing to the medical provider?

A.

Category I.

B.

Category II.

C.

Category III.

D.

Category IV.

Answer and Explanation

The Correct Answer is B

Choice A rationale

 

Category I tracings are considered normal and are associated with a well-oxygenated, non-acidotic fetus with a normal fetal heart rate baseline, moderate variability, and no late or variable decelerations. However, a baseline heart rate of 175 bpm is considered tachycardia, which does not fit the criteria for Category I.

 

Choice B rationale

 

Category II tracings are indeterminate and include any fetal heart rate pattern that does not fit into Category I or III. A baseline heart rate of 175 bpm with moderate variability and no accelerations or decelerations fits into this category. This indicates that the fetus may be experiencing some stress but is not in immediate danger.

 

Choice C rationale

 

Category III tracings are abnormal and are associated with an increased risk of fetal acidemia. These tracings include absent baseline variability with recurrent late or variable decelerations, bradycardia, or a sinusoidal pattern. The given tracing does not meet these criteria as it shows moderate variability and no decelerations.

 

Choice D rationale

 

There is no Category IV in the classification of fetal heart rate tracings. The standard classification includes only Categories I, II, and III.


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View Related questions

Correct Answer is A

Explanation

Choice A rationale

A non-stress test (NST) is a common initial assessment for decreased fetal movement. It evaluates fetal heart rate patterns in response to fetal movements, providing information about fetal well-being and oxygenation.

Choice B rationale

A biophysical profile (BPP) is a more comprehensive assessment that includes an NST and ultrasound evaluation of fetal movements, tone, breathing, and amniotic fluid volume. It may be ordered if the NST results are non-reassuring or if there are other concerns.

Choice C rationale

An ultrasound can provide valuable information about fetal growth, amniotic fluid volume, and placental function. It may be used in conjunction with other tests but is not the first-line assessment for decreased fetal movement.

Choice D rationale

Amniocentesis is an invasive procedure used for specific indications, such as genetic testing or assessing fetal lung maturity. It is not typically used for initial assessment of decreased fetal movement.

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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