Early detection allows for antenatal management for better neonatal outcomes. Your patient is 32 weeks gestation, gravida 5 para 4 and after a routine ultrasound she is told her baby is very small and has IUGR. She asks you what causes this and you tell her:
Infection
Previous preterm birth
Utero-placental insufficiency
Chronic hypertension
The Correct Answer is C
Choice A reason: Infection is not a common cause of IUGR, as most infections do not cross the placenta and affect the fetal growth. However, some infections such as cytomegalovirus, rubella, or toxoplasmosis can cause congenital anomalies and IUGR.
Choice B reason: Previous preterm birth is not a direct cause of IUGR, as it does not affect the current pregnancy. However, it may indicate an underlying maternal or fetal condition that could increase the risk of IUGR, such as cervical incompetence, placental abruption, or preeclampsia.
Choice C reason: Utero-placental insufficiency is the most common cause of IUGR, as it reduces the blood flow and oxygen delivery to the fetus. It can result from maternal factors such as hypertension, diabetes, smoking, or drug abuse, or from placental factors such as placenta previa, placental infarction, or cord compression.
Choice D reason: Chronic hypertension is a risk factor for IUGR, as it can lead to utero-placental insufficiency and fetal hypoxia. However, it is not the only cause of IUGR, as other factors can also affect the placental function and fetal growth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Ceftriaxone is incorrect because it is not the drug of choice for syphilis treatment. It is a cephalosporin antibiotic that can be used for other bacterial infections, such as gonorrhea, meningitis, or pneumonia.
Choice B reason: Penicillin G is correct because it is the drug of choice for syphilis treatment. It is a penicillin antibiotic that can effectively cure syphilis at any stage, except for neurosyphilis, which requires intravenous administration.
Choice C reason: Acyclovir is incorrect because it is not the drug of choice for syphilis treatment. It is an antiviral medication that can be used for viral infections, such as herpes simplex virus, varicella-zoster virus, or cytomegalovirus.
Choice D reason: Tetracycline is incorrect because it is not the drug of choice for syphilis treatment. It is a tetracycline antibiotic that can be used for other bacterial infections, such as chlamydia, acne, or Lyme disease.
Correct Answer is D
Explanation
Choice A reason: This is a correct statement, as the NST measures the fetal heart rate and its response to fetal movement. The nurse will place two belts around the client's abdomen, one to monitor the heart rate and one to monitor the contractions.
Choice B reason: This is a correct statement, as the NST usually takes 20 to 30 minutes to complete. The nurse will look for at least two accelerations of the fetal heart rate within a 20-minute period.
Choice C reason: This is a correct statement, as the NST is more likely to be reactive (normal) when the baby is active. The client may be asked to eat or drink something before the test to stimulate the baby's movement.
Choice D reason: This is an incorrect statement, as the client does not have to lie on her back during the test. Lying on the back can compress the inferior vena cava and reduce the blood flow to the placenta. The client can lie on her side or sit in a reclining chair during the test.
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