A nurse is discussing the factors that can affect Alpha-fetoprotein Test (AFP) results with a pregnant client.
Which factor should the nurse mention?
Maternal weight.
Fetal heart rate.
Gestational age.
Placental function.
The Correct Answer is C
The level of AFP in a pregnant woman’s blood depends on how far along she is in her pregnancy.
AFP levels are normally high in the early weeks of pregnancy and then decline as the pregnancy progresses.
If the AFP level is too high or too low for the gestational age, it may indicate a problem with the baby’s development.
Choice A is wrong because maternal weight does not affect AFP levels.
Choice B is wrong because fetal heart rate does not affect AFP levels.
Choice D is wrong because the placental function does not affect AFP levels directly, but it may affect the levels of other hormones that are measured along with AFP in a quad screen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
This is because cramping and vaginal bleeding after an amniocentesis may indicate a possible miscarriage or placental abruption, which can compromise fetal oxygenation and perfusion.
Monitoring fetal heart rate can help detect signs of fetal distress and guide further interventions.
Choice A is wrong because administering Rho(D) immune globulin is indicated for Rh-negative mothers who undergo amniocentesis to prevent isoimmunization, but it is not a priority action in this scenario.
Choice C is wrong because assessing maternal vital signs is important to monitor for signs of infection, hemorrhage, or shock, but it is not as urgent as monitoring fetal well-being.
Choice D is wrong because obtaining an order for an ultrasound exam can help confirm the diagnosis and evaluate the placenta and amniotic fluid, but it is not the first action to take in this situation.
Correct Answer is A
Explanation
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.
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