A nurse in a provider's office is caring for a client who is at 36 weeks of gestation and is scheduled for an amniocentesis.
The client asks why she is having an ultrasound prior to the procedure.
Which of the following responses by the nurse is appropriate?
"This is a screening tool for spina bifida.”.
"It is useful for estimating fetal age.”.
"It assists in identifying the location of the placenta and fetus.”.
"This will determine if there is more than one fetus.”. .
The Correct Answer is C
Choice A rationale:
"This is a screening tool for spina bifida.”. This statement is incorrect. An ultrasound performed before an amniocentesis is not primarily used as a screening tool for spina bifida. Spina bifida can be detected through other diagnostic tests.
Choice B rationale:
"It is useful for estimating fetal age.”. While ultrasounds can provide information about fetal age, it is not the primary reason for performing an ultrasound before an amniocentesis. The main purpose is to identify the location of the placenta and fetus, which is essential for safely performing the amniocentesis procedure.
Choice C rationale:
"It assists in identifying the location of the placenta and fetus.”. This is the correct answer. An ultrasound before amniocentesis is crucial for locating the fetus and the placenta accurately. This information helps healthcare providers ensure the safe and precise insertion of the needle into the amniotic sac.
Choice D rationale:
"This will determine if there is more than one fetus.”. Determining if there is more than one fetus is an important aspect of prenatal care but is not the primary reason for performing an ultrasound before amniocentesis. It is generally confirmed through earlier ultrasounds during routine prenatal care. .
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Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Abdominal pain with minimal red vaginal bleeding is more suggestive of abruptio placentae rather than placenta previa. Placenta previa is characterized by painless vaginal bleeding, and the absence of pain is a key distinguishing factor in its diagnosis. Therefore, this finding does not align with the typical presentation of placenta previa.
Choice B rationale:
Severe abdominal pain with increasing fundal height is not consistent with the typical presentation of placenta previa. Placenta previa is generally associated with painless vaginal bleeding, and fundal height measurements are not typically used to diagnose placenta previa. This finding suggests a different condition, such as abruptio placentae, which involves painful bleeding with a rising fundal height.
Choice D rationale:
Intermittent abdominal pain following the passage of bloody mucus is more characteristic of preterm labor or other conditions, not placenta previa. Placenta previa is primarily associated with painless, bright red vaginal bleeding without contractions or pain. Therefore, this finding does not align with the typical presentation of placenta previa.
Correct Answer is A
Explanation
Choice A rationale:
When a pregnant client is Rh negative and the newborn is Rh positive, it can lead to Rh incompatibility issues. This occurs when fetal Rh-positive red blood cells enter the maternal circulation during pregnancy or childbirth, causing the mother's immune system to produce antibodies against Rh-positive blood cells. To prevent Rh sensitization, Rho(D) immune globulin is administered to Rh-negative pregnant clients at specific times during pregnancy and postpartum. This administration is essential to prevent hemolytic disease of the newborn in future pregnancies. The Rho(D) immune globulin prevents the mother's immune system from developing antibodies against Rh-positive blood cells, ensuring that the current pregnancy and future pregnancies remain safe. Therefore, choice A is the correct answer.
Choice B rationale:
If the client is Rh positive and the newborn is Rh positive, there is no need for Rho(D) immune globulin administration. Rh incompatibility issues only occur when the mother is Rh negative, and the newborn is Rh positive. Therefore, choice B is not the correct answer.
Choice C rationale:
When both the client and the newborn are Rh negative, there is no risk of Rh incompatibility, and therefore, Rho(D) immune globulin administration is unnecessary. This situation is not a reason to administer Rho(D) immune globulin. Choice C is not the correct answer.
Choice D rationale:
If the client is Rh positive and the newborn is Rh negative, there is no risk of Rh incompatibility, and Rho(D) immune globulin administration is not required in this scenario. Choice D is not the correct answer.
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