With regard to chromosome abnormalities, nurses sh

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Fetal Development Questions Questions

Question 1 of 4

With regard to chromosome abnormalities, nurses should be aware that:

A. They occur in approximately 10% of newborns. B. Abnormalities of number are the leading cause of pregnancy loss. C. Down syndrome is a result of an abnormal chromosome structure. D. Unbalanced translocation results in a mild abnormality that the child will outgrow.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 4

The measurement of lecithin in relation to sphingomyelin (L/S ratio) is used to determine fetal lung maturity. Which ratio reflects maturity of the lungs?

A. 1.4:1 B. 1.8:1 C. 2:01 D. 1:01

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 4

As relates to the structure and function of the placenta, the maternity nurse should be aware that:

A. As the placenta widens, it gradually thins to allow easier passage of air and nutrients. B. As one of its early functions, the placenta acts as an endocrine gland. C. The placenta is able to keep out most potentially toxic substances such as cigarette smoke to which the mother is exposed. D. Optimal blood circulation is achieved through the placenta when the woman is lying on her back or standing.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 4

A woman is 15 weeks pregnant with her first baby. She asks how long it will be before she feels the baby move. The best answer is:

A. You should have felt the baby move by now. B. Within the next month, you should start to feel fluttering sensations. C. The baby is moving; however, you can't feel it yet. D. Some babies are quiet, and you don't feel them move.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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With regard to chromosome abnormalities, nurses should be aware that:

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