A nurse is discussing the risks associated with a Contraction Stress Test (CST) with a pregnant client.
Which complication should the nurse mention?
Preterm labor.
Premature rupture of membranes.
Infection.
Bleeding.
The Correct Answer is A
A contraction stress test (CST) is a test that simulates labor contractions to see how the baby’s heart rate responds to the stress of uterine contractions.
The biggest risk of the test is that it may cause the pregnant person to go into labor before their due date.
Some possible explanations for the other choices are:
Choice B. Premature rupture of membranes.
This is a condition where the amniotic sac breaks before labor begins.
It can increase the risk of infection and cord prolapse, but it is not a direct complication of CST.
Choice C. Infection.
This is a possible risk of any invasive procedure, but CST is usually done with external fetal monitoring and oxytocin infusion, which do not require breaking the skin or entering the uterus.
Choice D. Bleeding.
This is a potential risk of CST for people who have placenta previa, a condition where the placenta covers the cervix and can detach during contractions.
However, CST is not recommended for people who have placenta previa or other conditions that increase the risk of uterine rupture or bleeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A Doppler ultrasound blood flow analysis measures the velocity of blood flow in the uterine and fetal vessels.
This test can help assess the fetal well-being and oxygenation in cases of intrauterine growth restriction (IUGR).
Choice B is wrong because the amount of amniotic fluid in the uterine cavity is measured by ultrasound, not Doppler.
Choice C is wrong because the pressure of blood flow in the umbilical cord is not directly measured by Doppler, but rather inferred from the resistance index or pulsatility index.
Choice D is wrong because the oxygen saturation level of fetal blood is not measured by Doppler, but rather by fetal scalp sampling or pulse oximetry.
Correct Answer is B
Explanation
An amniotic fluid index (AFI) of 4 cm indicates oligohydramnios, which is a low amount of amniotic fluid.
Oligohydramnios can be caused by various factors, such as uteroplacental insufficiency, rupture of membranes, postterm pregnancy, fetal anomalies, or certain medications.
Oligohydramnios can lead to complications such as fetal death, intrauterine growth restriction, limb contractures, or delayed lung maturation.
Choice A is wrong because an AFI of 8 cm is within the normal range for amniotic fluid volume.
Choice C is wrong because a single vertical pocket of amniotic fluid measuring 3 cm is also within the normal range for amniotic fluid volume.
Choice D is wrong because a single vertical pocket of amniotic fluid measuring 5 cm is also within the normal range for amniotic fluid volume.
Normal ranges for AFI and single vertical pocket are > 5 to < 24 cm and ≥ 2 to < 8 cm, respectively.
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