Prior to an amniocentesis, what action by the client will need to be completed?

Empty the bladder.

Nothing by mouth for 4 hours.

Ingest 3-liters of water.

Nipple stimulation.

Answer and Explanation

The Correct Answer is A

Choice A rationale:

Before an amniocentesis, it is essential for the client to empty their bladder. A full bladder can interfere with the procedure, as it may obstruct the needle's entry into the uterus and increase the risk of accidental bladder puncture.

Choice B rationale:

Nothing by mouth (NPO) for 4 hours is not necessary for an amniocentesis. It is a relatively simple and quick procedure that does not require fasting.

Choice C rationale:

Ingesting 3 liters of water is not indicated before an amniocentesis. While some ultrasound examinations may require a full bladder, this is not the case for an amniocentesis.

Choice D rationale:

Nipple stimulation is not relevant or necessary before an amniocentesis. Nipple stimulation can trigger uterine contractions, which might be undesirable before the procedure, especially if the client is not in labor.

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Correct Answer is A

Explanation

Choice A rationale:

Rh incompatibility occurs when an Rh-negative client is exposed to Rh-positive fetal blood, typically during a prior pregnancy or delivery. The client’s immune system produces anti-Rh antibodies that cross the placenta in subsequent pregnancies, attacking the Rh-positive red blood cells of the fetus. This hemolysis releases bilirubin, leading to hyperbilirubinemia in the newborn.

Choice B rationale:

Rh incompatibility only occurs when the client is Rh-negative and the fetus is Rh-positive. An Rh-positive client will not form antibodies against an Rh-negative fetus, as their immune system recognizes the Rh factor as normal.

Choice C rationale:

This choice is not related to the mechanism of Rh incompatibility. Receiving a transfusion with Rh-negative blood would not cause the mother's immune system to produce anti-Rh antibodies or lead to Rh incompatibility with her newborn.

Choice D rationale:

This choice describes the ABO blood group system, not the Rh factor. ABO incompatibility can occur when a mother with blood type O (producing anti-A and anti-B antibodies) has a newborn with blood type A, B, or AB, leading to hemolysis of the fetal red blood cells. However, the question specifically mentions Rh incompatibility, which involves the Rh factor, not the ABO system.

A. WBC count 11,000/mm³. B. Hgb 11.2 g/dL. C. Hct 34%. D. Platelets 140,000/mm³.

Correct Answer is D

Explanation

Choice A rationale:

The normal WBC count during pregnancy can vary, but a count of 11,000/mm³ is within an acceptable range. During pregnancy, the WBC count can be slightly elevated due to physiological changes in the body to support the growing fetus.

Choice B rationale:

The normal hemoglobin level during pregnancy is generally around 11 to 12.5 g/dL. Therefore, a hemoglobin level of 11.2 g/dL falls within the normal range, and the nurse does not need to report this finding.

Choice C rationale:

The normal hematocrit (Hct) during pregnancy can vary, but a level of 34% is within the acceptable range. Hct levels can be lower during pregnancy due to increased plasma volume, leading to a mild physiological anemia of pregnancy.

Choice D rationale:

The normal platelet count during pregnancy is typically around 150,000 to 400,000/mm³. With a platelet count of 140,000/mm³, this is slightly below the lower end of the normal range. Thrombocytopenia during pregnancy can increase the risk of bleeding, both during childbirth and postpartum, so the nurse should report this finding to the provider for further evaluation and management.

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Prior to an amniocentesis, what action by the client will need to be completed?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has just delivered her first newborn. The nurse anticipates hyperbilirubinemia due to Rh incompatibility. The nurse should understand that hyperbilirubinemia occurs with Rh incompatibility for which of the following reasons?

Correct Answer is A

Explanation

A nurse is reviewing the laboratory results for a client who is at 29 weeks of gestation. Which of the following results should the nurse report to the provider?

Correct Answer is D

Explanation

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