A nurse is educating a patient on the interpretation of a positive contraction stress test. Which of the following explanations is correct?
A positive contraction stress test shows that the baby has a strong heartbeat and will likely have a smooth delivery.
A positive contraction stress test is a normal finding and requires no further monitoring or intervention.
A positive contraction stress test indicates that the baby is healthy and there are no concerns with uterine contractions.
A positive contraction stress test means that the baby’s heart rate decelerates in response to uterine contractions, which may indicate uteroplacental insufficiency.
The Correct Answer is D
Choice A rationale
A positive contraction stress test shows that fetal heart rate decelerations occur with contractions, indicating potential issues with uteroplacental blood flow and not a smooth delivery.
Choice B rationale
A positive result is concerning and necessitates further monitoring and possible interventions to ensure fetal health, rather than being a normal finding.
Choice C rationale
A positive contraction stress test raises concerns about fetal well-being due to heart rate decelerations with contractions, which could indicate uteroplacental insufficiency.
Choice D rationale
Positive contraction stress test means the fetus experiences heart rate decelerations with contractions, suggesting uteroplacental insufficiency and potential risk for fetal compromise during labor.
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Related Questions
Correct Answer is A
Explanation
Choice A rationale
Polyhydramnios is characterized by excessive amniotic fluid, exceeding 24 cm in amniotic fluid index. This can cause uterine distension and complicate labor and delivery.
Choice B rationale
Fetal congenital anomalies, growth restriction, or distress are possible complications of polyhydramnios, but they are not definitive diagnoses for the condition itself.
Choice C rationale
Carrying more than one fetus is associated with increased amniotic fluid levels, but polyhydramnios specifically refers to the excess fluid, not the number of fetuses.
Choice D rationale
Elevated alpha-fetoprotein (AFP) levels can indicate neural tube defects or other fetal anomalies, but it is not a direct cause or indicator of polyhydramnios.
Correct Answer is B
Explanation
Choice A rationale
Prostaglandins are involved in labor but primarily act to ripen the cervix and induce uterine contractions, not prolong labor. They are produced by the fetus and placenta during pregnancy.
Choice B rationale
Catecholamines, such as epinephrine and norepinephrine, are released in response to stress and anxiety, leading to vasoconstriction, reduced blood flow to the uterus, and prolonged labor. They are produced by the adrenal glands.
Choice C rationale
Oxytocin is a hormone that stimulates uterine contractions and accelerates labor. It is often administered to induce or augment labor, rather than prolong it. It is produced in the hypothalamus.
Choice D rationale
Orexin, also known as hypocretin, is involved in regulating arousal, wakefulness, and appetite, but has no direct role in labor. It is produced in the hypothalamus.
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