It is determined that a client's blood Rh is negative and her partner's is positive. To help prevent Rh isoimmunization, the nurse would expect to administer Rho(D) immune globulin at which time?

24 hours before delivery and 24 hours after delivery

In the first trimester and within 2 hours of delivery

At 28 weeks gestation and again within 72 hours after delivery

At 32 weeks gestation and immediately before discharge

Answer and Explanation

The Correct Answer is C

Choice A Reason: This is incorrect because administering Rho(D) immune globulin 24 hours before delivery is too early and may not provide adequate protection for the fetus. Administering it 24 hours after delivery is too late and may not prevent the mother from developing antibodies against the fetal Rh-positive blood cells.

Choice B Reason: This is incorrect because administering Rho(D) immune globulin in the first trimester is unnecessary and may not be effective, as the risk of Rh isoimmunization is very low before 28 weeks of gestation. Administering it within 2 hours of delivery is appropriate, but not sufficient, as it should be repeated within 72 hours after delivery.

Choice C Reason: This is correct because administering Rho(D) immune globulin at 28 weeks gestation and again within 72 hours after delivery is the recommended schedule for preventing Rh isoimmunization in Rh-negative pregnant women who have Rh-positive partners. This regimen can prevent up to 99% of cases of Rh isoimmunization by blocking the maternal immune response to the fetal Rh-positive blood cells.

Choice D Reason: This is incorrect because administering Rho(D) immune globulin at 32 weeks gestation is too late and may not prevent Rh isoimmunization if there has been any fetal-maternal hemorrhage before that time. Administering it immediately before discharge is also too late and may not prevent the mother from developing antibodies against the fetal Rh-positive blood cells.

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Correct Answer is B

Explanation

Choice A Reason: Linea nigra is a dark vertical line that appears on the abdomen of some pregnant women. It is caused by increased melanin production and usually fades after delivery.

Choice B Reason: Pica is a condition in which a person has an abnormal desire to eat substances that are not food, such as ice, clay, dirt, or chalk. It is more common in pregnant women and may indicate a deficiency in iron or other nutrients.

Choice C Reason: Ballottement is a technique of palpating a floating structure by bouncing it gently and feeling it rebound. In obstetrics, it can be used to detect the presence of the fetus by feeling its head move when the cervix is tapped.

Choice D Reason: Quickening is the first perception of fetal movements by the pregnant woman. It usually occurs between 16 and 20 weeks of gestation.

A. Ferrous sulfate B. Potassium chloride C. Calcium carbonate D. Calcium gluconate

Correct Answer is D

Explanation

Choice A Reason: This is incorrect because ferrous sulfate is an iron supplement that is used to treat or prevent iron-deficiency anemia. It has no effect on magnesium sulfate, which is a medication that lowers blood pressure and prevents seizures in severe preeclampsia.

Choice B Reason: This is incorrect because potassium chloride is an electrolyte supplement that is used to treat or prevent low levels of potassium in the blood. It has no effect on magnesium sulfate, which can cause hypermagnesemia, or high levels of magnesium in the blood.

Choice C Reason: This is incorrect because calcium carbonate is an antacid that is used to treat or prevent heartburn, indigestion, or calcium deficiency. It has no effect on magnesium sulfate, which can cause hypocalcemia, or low levels of calcium in the blood.

Choice D Reason: This is correct because calcium gluconate is an antidote that is used to treat magnesium toxicity, which can occur when magnesium sulfate is given in high doses or for prolonged periods. Calcium gluconate reverses the effects of magnesium sulfate on the neuromuscular and cardiovascular systems, such as muscle weakness, respiratory depression, cardiac arrhythmias, or cardiac arrest.

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It is determined that a client's blood Rh is negative and her partner's is positive. To help prevent Rh isoimmunization, the nurse would expect to administer Rho(D) immune globulin at which time?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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