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During the delivery, which fetal position would be considered optimal for a vaginal birth?

A.

Occiput anterior.

B.

Occiput posterior.

C.

Breech.

D.

Transverse.

Answer and Explanation

The Correct Answer is A

Choice A rationale

 

The occiput anterior (OA) position is considered the optimal fetal position for vaginal birth. In this position, the baby’s head is down, and the back of the head (occiput) is facing the mother’s front. This position allows for the most efficient passage through the birth canal.

 

Choice B rationale

 

The occiput posterior (OP) position, where the baby’s head is down but facing the mother’s back, can lead to a longer and more painful labor. It is not considered optimal for vaginal birth.

 

Choice C rationale

 

Breech positions, where the baby’s buttocks or feet are positioned to come out first, are not optimal for vaginal birth and often require a cesarean section due to the increased risk of complications.

 

Choice D rationale

 

The transverse position, where the baby is lying sideways across the uterus, is not suitable for vaginal birth. This position typically requires a cesarean section to safely deliver the baby.


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View Related questions

Correct Answer is B

Explanation

Choice A rationale

Encouraging the client to continue pushing is not appropriate at this stage. The client is 9 cm dilated, which indicates that she is in the transition phase of labor, not yet fully dilated and ready to push. Pushing at this stage could cause cervical swelling and delay progress.

Choice B rationale

Preparing the client for delivery is the most appropriate action. The client is in the transition phase of labor, with 9 cm dilation, 100% effacement, and +1 station. This indicates that delivery is imminent, and the nurse should prepare for the birth process.

Choice C rationale

Administering pain relief as prescribed may be considered, but it is not the priority action at this stage. The client is in the transition phase, and administering pain relief could interfere with the natural progression of labor. Non-pharmacological support may be more appropriate.

Choice D rationale

Reassuring the client and providing emotional support is important, but it is not the primary action at this stage. The nurse should focus on preparing for delivery while also providing support and reassurance.

Correct Answer is A

Explanation

Choice A rationale

A non-stress test (NST) is a common test used to evaluate fetal well-being, especially in cases of decreased fetal movement. It measures the fetal heart rate in response to its movements. A reactive NST, where the fetal heart rate increases with movement, indicates good oxygenation and neurological function.

Choice B rationale

A contraction stress test (CST) evaluates the fetal heart rate response to uterine contractions, which can be induced by oxytocin or nipple stimulation. It is typically used to assess placental function and fetal tolerance to labor, not for initial assessment of decreased fetal movement.

Choice C rationale

A biophysical profile (BPP) combines an NST with ultrasound to assess fetal breathing, movement, tone, and amniotic fluid volume. While comprehensive, it is more time-consuming and usually reserved for further evaluation if the NST is non-reactive.

Choice D rationale

An ultrasound can assess fetal growth, amniotic fluid volume, and anatomical structures. However, it does not provide real-time information on fetal heart rate reactivity, making it less suitable for immediate assessment of decreased fetal movement.

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