A nurse is teaching a client who is 26 weeks pregnant and will be receiving an injection of Rh(D) immunoglobulin.Which of the following should be included in the teaching?

It prevents the formation of Rh antibodies.

It prevents the formation of Rh antibodies in newborns who are Rh positive.

It destroys Rh antibodies in mothers who are Rh negative.

It destroys Rh antibodies in newborns who are Rh positive.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Rh(D) immunoglobulin prevents the formation of Rh antibodies in Rh-negative mothers. This is crucial to prevent Rh sensitization, which can lead to hemolytic disease of the newborn in current and future pregnancies.

Choice B rationale

Rh(D) immunoglobulin does not prevent the formation of Rh antibodies in newborns who are Rh positive. Instead, it works by preventing the mother's immune system from recognizing Rh-positive fetal cells.

Choice C rationale

Rh(D) immunoglobulin does not destroy Rh antibodies in Rh-negative mothers. Its purpose is to prevent the formation of these antibodies in the first place.

Choice D rationale

Rh(D) immunoglobulin does not destroy Rh antibodies in newborns who are Rh positive. The newborn's immune system is not targeted by this immunoglobulin.

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Correct Answer is C

Explanation

Choice A rationale

Fetal nutrition and excretion are carried out by the placenta. This statement is correct. The placenta provides essential nutrients to the fetus and removes waste products from fetal blood.

Choice B rationale

Fetal respirations are carried out by the placenta. This statement is correct. The placenta facilitates gas exchange, providing oxygen to the fetus and removing carbon dioxide.

Choice C rationale

The placenta filters harmful substances from maternal blood. This statement is incorrect. While the placenta provides some barrier function, it does not filter all harmful substances from maternal blood, and certain drugs and toxins can cross the placental barrier and affect the fetus.

Choice D rationale

The placenta receives maternal blood from the uterine arteries. This statement is correct. Maternal blood flows to the placenta via the uterine arteries, supplying oxygen and nutrients to the fetal side of the placenta.

A. Immediately. B. One week before her period. C. When pregnancy is confirmed. D. If she misses her period.

Correct Answer is A

Explanation

Choice A rationale

Increasing folic acid intake immediately is recommended because it helps prevent neural tube defects, which can occur very early in pregnancy, often before a woman knows she is pregnant.

Choice B rationale

Starting folic acid intake one week before her period is not sufficient. Folic acid needs to be taken consistently before conception and during early pregnancy to be effective.

Choice C rationale

Waiting until pregnancy is confirmed may be too late to prevent neural tube defects, which form in the early weeks of pregnancy.

Choice D rationale

If she misses her period, it might already be too late to prevent neural tube defects. Consistent intake of folic acid before and during early pregnancy is essential.

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A nurse is teaching a client who is 26 weeks pregnant and will be receiving an injection of Rh(D) immunoglobulin.Which of the following should be included in the teaching?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is A

Explanation

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