A male newborn is diagnosed with polycystic kidneys which requires autosomal dominant transmission.One of the parents is believed to have this genetic disease.
The nurse's teaching should be based on the fact that with autosomal dominant inheritance:

50% of the offspring have a chance of developing the disease from the affected parent.

Diseases are transmitted from a carrier mother to her son.

All of the offspring will develop the disease.

50% of the offspring will be carriers of the disease from the affected parent.

Answer and Explanation

The Correct Answer is A

Choice A rationale

50% of the offspring have a chance of developing the disease from the affected parent. Autosomal dominant inheritance means that a single copy of the altered gene in each cell is sufficient to cause the disorder. Thus, each child of an affected parent has a 50% chance of inheriting the condition.

Choice B rationale

Diseases transmitted from a carrier mother to her son typically describe X-linked recessive inheritance, not autosomal dominant. In autosomal dominant conditions, both males and females can be affected, and it doesn't depend on the sex of the parent transmitting the gene.

Choice C rationale

All of the offspring will develop the disease is incorrect. In autosomal dominant inheritance, there is a 50% chance of passing the altered gene to the offspring, not 100%.

Choice D rationale

50% of the offspring will be carriers of the disease from the affected parent is incorrect for autosomal dominant inheritance. There are no "carriers" in autosomal dominant diseases; individuals either have the disease or they don't, based on whether they inherit the altered gene.

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Correct Answer is A

Explanation

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.

A. Lie on back when counting kicks. B. You can begin counting fetal movements at 8 weeks gestation. C. Call healthcare provider if at least 3 movements are not felt over an hour. D. Count movements at the same time each day.

Correct Answer is C

Explanation

Choice A rationale

Lie on back when counting kicks is incorrect. It is recommended to lie on the side, preferably the left side, as lying on the back can compress major blood vessels and affect circulation to the fetus.

Choice B rationale

You can begin counting fetal movements at 8 weeks gestation is incorrect. Fetal movements are typically felt by the mother starting around 18-20 weeks of gestation, not as early as 8 weeks.

Choice C rationale

Call healthcare provider if at least 3 movements are not felt over an hour. This is an important guideline as decreased fetal movements can indicate potential issues and should be reported to the healthcare provider for further evaluation.

Choice D rationale

Count movements at the same time each day is a good practice but it is not the most critical instruction. While consistency is beneficial, the immediate action for decreased movements is more urgent.

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A male newborn is diagnosed with polycystic kidneys which requires autosomal dominant transmission.One of the parents is believed to have this genetic disease. The nurse's teaching should be based on the fact that with autosomal dominant inheritance:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is A

Explanation

The nurse is teaching a pregnant client how to perform daily fetal movement counts.Which instruction must be included in the teaching?

Correct Answer is C

Explanation

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A male newborn is diagnosed with polycystic kidneys which requires autosomal dominant transmission.One of the parents is believed to have this genetic disease.
The nurse's teaching should be based on the fact that with autosomal dominant inheritance: