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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 B

Explanation

Choice A rationale

Magnetic Resonance Imaging (MRI) is a non-invasive imaging technique that provides detailed images of the fetus and placenta. However, it is not typically used as the first-line test for assessing placental perfusion and IUGR. Doppler flow studies are more specific for evaluating blood flow and detecting issues related to placental insufficiency.

Choice B rationale

Doppler flow studies are non-invasive tests that assess blood flow in the umbilical artery and other fetal vessels. These studies are particularly useful in evaluating placental perfusion and identifying intrauterine growth restriction (IUGR). Abnormal Doppler flow patterns can indicate compromised blood flow to the fetus, which is a concern in cases of minimal fetal growth.

Choice C rationale

Amniocentesis is an invasive procedure that involves extracting a sample of amniotic fluid for genetic testing and assessment of fetal lung maturity. It is not used for evaluating placental perfusion or IUGR7.

Choice D rationale

Chorionic villus sampling (CVS) is an invasive procedure used for early genetic testing by sampling placental tissue. It is not used for assessing placental perfusion or IUGR7.

Correct Answer is A

Explanation

Choice A rationale

  • Thenon-stress test (NST)is reactive, indicating normal fetal heart rate patterns with adequate accelerations.
  • Theultrasoundshows normal amniotic fluid index and fetal movements, with no abnormalities detected.
  • The client has no significant medical history and is generally feeling well.

These findings suggest that the fetus is currently well, and there is no immediate need for further intervention. However, the client should be instructed to monitor fetal movements at home and return if there are any concerns or if decreased fetal movement persists. This approach balances the need for vigilance with the reassurance provided by the normal test results.

.

Choice B rationale

Continuous fetal monitoring is typically reserved for cases where there is a significant concern for fetal distress or other complications. In this case, both the non-stress test (NST) and ultrasound results are normal, indicating that the fetus is currently well. Therefore, continuous monitoring in a hospital setting is not necessary.

Choice C rationale

An immediate cesarean section is a major surgical procedure that is usually performed when there is an urgent risk to the mother or baby. Given the normal NST and ultrasound findings, there is no indication of fetal distress or other complications that would warrant such an intervention at this time.

Choice D rationale

Corticosteroids are given to enhance fetal lung maturity in cases where preterm delivery is anticipated, typically before 34 weeks of gestation. Since the client is already at 35 weeks and there is no indication of imminent preterm labor or other complications, administering corticosteroids is not necessary..

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