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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Quickening, the first movements of the fetus felt by the mother, typically occurs between 18-20 weeks gestation. At 18 weeks, it's likely the mother will feel a fluttering sensation soon.
Choice B rationale
While fetal movements can sometimes be felt later, it's generally expected that by 18-20 weeks, movements should be noticeable.
Choice C rationale
The baby does move at 18 weeks, but the mother typically begins to feel these movements at this stage, known as quickening.
Choice D rationale
Suggesting the mother should have felt movement by now could cause unnecessary anxiety. Most women feel their baby's movements between 18-20 weeks. .
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.
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