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Fetal Assessment

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What are the goals of antepartum fetal surveillance?

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a. Prevent fetal death

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b. Indicate timing of intervention

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c. Improve negative predictive values for antepartum testing

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d. All of the above

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Concerning antepartum testing, positive predictive values for true-positive abnormal test results approximate which of the following?

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a. 5–10%

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b. 10–40%

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c. 40–60%

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d. 60–80%

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Regarding sleep cyclicity (sleep-wake cycles), which of the following is true?

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a. It varies from 5 to 120 minutes.

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b. Mean length of inactive state for term fetuses is 23 minutes.

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c. In normal term pregnancies, the longest period of inactivity is 68 minutes.

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d. None of the above

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Common fetal movement counting protocols include which of the following?

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a. 10 movements in 1 hour

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b. 10 movements in 2 hours

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c. Informal maternal perceptions of fetal activity are clinically meaningless.

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d. Monitor 2 hours daily; an accepted count equals or exceeds a previously established baseline count.

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The figure below illustrates which of the following?

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Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Antepartum assessment. In Williams Obstetrics, 23rd ed. New York, McGraw-Hill, 2010, Figure 15-2.

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a. Minimal counts of fetal movement occur at term.

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b. Maximal counts of fetal movement occur at

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32 weeks.

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c. Daily movement counts reach approximately

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16 at 29 weeks.

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d. Declining amnionic fluid volume and space account for decreased fetal movements at 32 weeks.

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Which of the following is true regarding fetal breathing motions measured ...

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