What is the term for a non–stress test in which there are two or more fetal heart rate accelerations of 15 or more bpm with fetal movement in a 20-minute period?
a. Positive
b. Negative
c. Reactive
d. Nonreactive
ANS: C
The non–stress test (NST) is reactive (normal) when there are two or more fetal heart rate accelerations of at least 15 bpm (each with a duration of at least 15 seconds) in a 20-minute period. A positive result is not used with an NST. The contraction stress test (CST) uses positive as a result term. A negative result is not used with an NST. The CST uses negative as a result term. A nonreactive result means that the heart rate did not accelerate during fetal movement.
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