The nurse providing care for the antepartum woman should understand that contraction stress test (CST):
a. Sometimes uses vibroacoustic stimulation.
b. Is an invasive test; however, contractions are stimulated.
c. Is considered negative if no late decelerations are observed with the contractions.
d. Is more effective than nonstress test (NST) if the membranes have already been ruptured.
ANS: C
No late decelerations is good news. Vibroacoustic stimulation is sometimes used with NST. CST is invasive if stimulation is by intravenous oxytocin but not if by nipple stimulation and is contraindicated if the membranes have ruptured.
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