A nurse is caring for a primigravida who asks about the function of the placenta.Which of the following are functions of the placenta?

Provides thermoregulation.

Cushions fetus from maternal movement.

Metabolic and gas exchange.

Provides a sterile environment.

Answer and Explanation

The Correct Answer is C

Choice A rationale

The placenta does not provide thermoregulation; that function is managed by maternal thermoregulation and the amniotic fluid which insulates the fetus.

Choice B rationale

Amniotic fluid cushions the fetus from maternal movements, not the placenta. The placenta's role is more focused on nutrient and waste exchange.

Choice C rationale

The placenta facilitates metabolic functions and gas exchange, supplying oxygen and nutrients to the fetus while removing carbon dioxide and waste products, ensuring fetal development.

Choice D rationale

The placenta doesn't provide a sterile environment. This is accomplished by the amniotic sac and amniotic fluid. The placenta connects the fetus to maternal blood supply, ensuring necessary exchanges for fetal growth.

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Correct Answer is C

Explanation

Choice A rationale

A maternal blood pressure of 128/88 mm Hg is within normal limits for a pregnant woman. Regular monitoring is necessary, but no immediate follow-up is required unless symptoms of preeclampsia appear.

Choice B rationale

A fetal heart rate baseline of 115 bpm is within the normal range (110-160 bpm). This does not require immediate follow-up and is a reassuring sign of fetal well-being.

Choice C rationale

A maternal heart rate of 128 bpm is elevated (tachycardia) and may indicate distress, infection, dehydration, or other underlying conditions. This requires immediate follow-up to identify and address the cause.

Choice D rationale

A maternal respiratory rate of 18 breaths per minute is within the normal range (12-20 breaths per minute) and does not require immediate follow-up.

A. Advise the client it is safest to administer in the third trimester. B. Advise the client it would be best to get the vaccine during her next attempt to get pregnant. C. Advise the client it is best to receive the vaccine immediately to minimize risk to the fetus. D. In postpartum, prior to being discharged from the hospital.

Correct Answer is D

Explanation

Choice A rationale

Administering the rubella vaccine during pregnancy, including the third trimester, is contraindicated due to the risk of live vaccine transmission to the fetus. It is not recommended at any stage of pregnancy.

Choice B rationale

Advising the client to get the vaccine during her next pregnancy attempt is partly correct but lacks the immediacy needed to ensure she is immune before the next pregnancy. The vaccine should be given postpartum.

Choice C rationale

Administering the vaccine immediately during pregnancy is contraindicated due to potential risks to the fetus. Rubella vaccines contain live virus, which can cause fetal harm if given during pregnancy.

Choice D rationale

It is safest to administer the rubella vaccine postpartum, prior to hospital discharge, to ensure the client has immunity before any future pregnancies. This timing prevents any risk to the current fetus and ensures future fetal protection. .

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A nurse is caring for a primigravida who asks about the function of the placenta.Which of the following are functions of the placenta?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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