Which of the following observations should be recorded as part of a newborn gestational age assessment?

Anterior fontanel soft and level.

Plantar creases cover 3 of the sole.

Acrocyanosis of hands and feet.

Vernix caseosa in inguinal creases

Answer and Explanation

The Correct Answer is B

Choice A rationale
While the anterior fontanel being soft and level is an important observation in a newborn, it is not typically used as part of a gestational age assessment.
Choice B rationale
The presence of plantar creases covering 3 of the sole is a typical finding in a full-term newborn and is used as part of a gestational age assessment.
Choice C rationale
Acrocyanosis, or bluish discoloration of the hands and feet, is a common finding in newborns, especially shortly after birth. However, it is not typically used as part of a gestational age assessment.
Choice D rationale
Vernix caseosa in the inguinal creases can be a sign of a preterm newborn, as vernix caseosa is typically present in larger amounts in preterm newborns. However, it is not typically used as part of a gestational age assessment.

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Correct Answer is B

Explanation

Choice A rationale
Betamethasone does not typically increase the fetal heart rate14.
Choice B rationale
Betamethasone is often given to pregnant women who are at risk of preterm birth to promote fetal lung maturity. It helps speed up the development of the baby’s lungs and other organs14.
Choice C rationale

Betamethasone is not used to stop preterm labor contractions14.
Choice D rationale
Betamethasone does not halt cervical dilation14.

A. It prevents the formation of Rh antibodies in mothers who are Rh negative. B. It destroys Rh antibodies in mothers who are Rh negative. C. It prevents the formation of Rh antibodies in newborns who are Rh positive. D. It destroys Rh antibodies in newborns who are Rh positive.

Correct Answer is A

Explanation

Choice A rationale
Rh(D) immunoglobulin prevents the formation of Rh antibodies in mothers who are Rh negative. If an Rh-negative mother is exposed to Rh-positive blood, as can happen during pregnancy or childbirth, her immune system may respond by making antibodies against the Rh antigen. This can cause problems in future pregnancies if the baby is Rh positive. Rh(D) immunoglobulin works by preventing the mother’s immune system from recognizing the Rh antigen, thus preventing the formation of antibodies.
Choice B rationale
Rh(D) immunoglobulin does not destroy Rh antibodies in mothers who are Rh negative. Once antibodies have formed, they cannot be destroyed by Rh(D) immunoglobulin.
Choice C rationale
Rh(D) immunoglobulin does not prevent the formation of Rh antibodies in newborns who are Rh positive. The purpose of Rh(D) immunoglobulin is to prevent the mother from forming Rh antibodies.
Choice D rationale
Rh(D) immunoglobulin does not destroy Rh antibodies in newborns who are Rh positive. The purpose of Rh(D) immunoglobulin is to prevent the mother from forming Rh antibodies.

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Which of the following observations should be recorded as part of a newborn gestational age assessment?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is A

Explanation

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