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A client, at 6 weeks gestation, arrives at the OB clinic for her initial visit and requests to hear the fetal heartbeat.
What should the nurse include in the teaching regarding cardiac development?

A.

The fetal heartbeat can be heard via Doppler by 4 weeks of pregnancy.

B.

The fetal heartbeat can be heard by external Doppler around 10-12 weeks of pregnancy.

C.

You will first feel your baby move in week 24 of pregnancy.

D.

The heart formation begins in week 5 of pregnancy and we can hear it by Doppler at 6 weeks.

Answer and Explanation

The Correct Answer is B

Choice A rationale

The fetal heartbeat cannot typically be heard via Doppler as early as 4 weeks of pregnancy. At this stage, the heart is still developing, and it is too soon for external detection with a Doppler device.

 

Choice B rationale

The fetal heartbeat is generally detectable by an external Doppler device around 10-12 weeks of pregnancy. This is the period when the heartbeat is strong enough to be picked up by the device.

 

Choice C rationale

Feeling the baby move, known as "quickening," typically occurs around 18-24 weeks of pregnancy, not 6 weeks. This sensation is different from hearing the heartbeat.

 

Choice D rationale

While the heart begins to form around week 5, it is not detectable by Doppler at 6 weeks. The technology does not have the sensitivity to detect such an early heartbeat externally.


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View Related questions

Correct Answer is ["A","B","C","D","E","F"]

Explanation

B. Remove the newborn from phototherapy every 4 hours for thorough assessment of adverse effects of phototherapy.

D. Maintain an eye mask over the newborn's eyes.

E. Reposition the newborn every 2 hours.

F. Report sunken fontanels to the provider. Contraindicated:

A. Apply lotion to the skin every 4 hours.

C. Newborn feedings should be every 8 hours.

Correct Answer is ["A","B","E"]

Explanation

Choice A rationale:

Rapid weight gain during pregnancy, especially when accompanied by other symptoms, can be a sign of preeclampsia. This condition is characterized by high blood pressure and often occurs after 20 weeks of gestation. Reporting rapid weight gain is important for early detection and management.

Choice B rationale:

Visual disturbances, such as blurred vision, can be a warning sign of preeclampsia. It indicates potential neurological involvement and requires immediate evaluation to prevent complications for both the mother and the fetus.

Choice C rationale:

Elevated blood pressure readings are a critical sign of preeclampsia, a condition that can lead to serious health complications for both the mother and the baby if left untreated. Reporting elevated blood pressure is essential for early intervention and management.

Choice D rationale:

While the respiratory rate is slightly elevated, it is not as critical an indicator of preeclampsia as the other findings. In this case, the focus should be on more concerning symptoms, such as blood pressure and visual disturbances.

Choice E rationale:

Hyperactive deep tendon reflexes (3+) are a clinical sign of preeclampsia. The absence of clonus is a reassuring sign, but the presence of hyperactive reflexes warrants further evaluation and monitoring.

Choice F rationale:

The fetal heart rate (FHT) of 148/min is within the normal range (110-160/min) and does not indicate an immediate concern that needs to be reported. The nurse should focus on the maternal symptoms that suggest preeclampsia.

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