Practice Question
A pregnant client is undergoing a nipple-stimulated contraction stress test (CST). She is experiencing contractions every three minutes. The fetal heart rate (FHR) baseline is approximately 120 beats/min with no decelerations. How should the nurse document this test?
Answer Choices:
Correct Answer:
Negative.
Rationale:
✴ A contraction stress test (CST) evaluates fetal well-being in response to stress from uterine contractions.
✴ A negative CST means there are no late decelerations of the fetal heart rate (FHR) with contractions — indicating adequate placental perfusion and fetal tolerance of labor.
✴ In this case, the client had contractions every 3 minutes (which is adequate) and no FHR decelerations, qualifying as a negative result.
✴ A positive CST would show late decelerations with 50% or more of contractions.
✴ An unsatisfactory CST occurs when contractions are too infrequent or tracing is inadequate, which is not the case here.
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This question is from Indiana University OB-Maternal exam 3 which contains 44 questions.
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Question Details
- Category: RN Nursing Exam(s)
- Subcategory: General Exams
- Domain: 🤱🏼Maternity & Newborn Care
- Answer Choices: 4