HESI RN
HESI Maternity 55 Questions Quizlet
1. A postpartum client who is Rh-negative refuses to receive RhoGAM after the delivery of an infant who is Rh-positive. Which information should the nurse provide this client?
- A. RhoGAM prevents maternal antibody formation for future Rh-positive babies.
- B. RhoGAM is not necessary unless all of her pregnancies are Rh-positive.
- C. The Rh-positive factor from the fetus threatens her blood cells.
- D. The mother should receive RhoGAM when the baby is Rh-negative.
Correct answer: A
Rationale: The correct answer is A. RhoGAM is administered to Rh-negative individuals after exposure to Rh-positive blood to prevent the development of antibodies that could harm future Rh-positive babies during subsequent pregnancies. By refusing RhoGAM after the delivery of an Rh-positive infant, the mother risks developing these antibodies, which could lead to hemolytic disease in future pregnancies with Rh-positive babies. Therefore, it is crucial for the nurse to explain to the client that receiving RhoGAM prevents the formation of maternal antibodies against Rh-positive blood, safeguarding the health of future babies. Choices B, C, and D are incorrect. Choice B is incorrect because RhoGAM is necessary after exposure to Rh-positive blood, regardless of the Rh status of future pregnancies. Choice C is incorrect as it does not accurately convey the purpose of RhoGAM administration. Choice D is incorrect because RhoGAM is specifically given after exposure to Rh-positive blood, not when the baby is Rh-negative.
2. The healthcare provider is reviewing the serum laboratory findings for a 5-day-old infant with congenital adrenal hyperplasia. Which laboratory result should be reported to the healthcare provider immediately?
- A. Bilirubin of 1.5 mg/dl.
- B. Glucose of 80 mg/dl.
- C. Potassium of 4.5 mEq/L.
- D. Sodium of 119 mEq/L.
Correct answer: D
Rationale: Low sodium levels in congenital adrenal hyperplasia can indicate salt-wasting crisis, which is a life-threatening emergency requiring immediate medical attention. Monitoring sodium levels is crucial to prevent complications such as dehydration and shock in these patients.
3. When performing the daily head-to-toe assessment of a 1-day-old newborn, the nurse observes a yellow tint to the skin on the forehead, sternum, and abdomen. Which action should the nurse take?
- A. Measure bilirubin levels using transcutaneous bilirubinometry.
- B. Evaluate cord blood Coombs test results.
- C. Review maternal medical records for blood type and Rh factor.
- D. Prepare the newborn for phototherapy.
Correct answer: A
Rationale: The presence of a yellow tint on the skin of a newborn suggests jaundice. The initial step in managing jaundice in a newborn is to measure bilirubin levels, typically done using transcutaneous bilirubinometry. This measurement helps determine the severity of jaundice and guides appropriate treatment interventions. Evaluating cord blood Coombs test results or reviewing maternal medical records for blood type and Rh factor are not the immediate actions indicated when jaundice is suspected. Phototherapy may be considered after confirming elevated bilirubin levels and assessing the need for treatment.
4. At 39-weeks gestation, a multigravida is having a nonstress test (NST), the fetal heart rate (FHR) has remained non-reactive during 30 minutes of evaluation. Based on this finding, which action should the nurse implement?
- A. Initiate an intravenous infusion.
- B. Observe the FHR pattern for 30 more minutes.
- C. Schedule a biophysical profile.
- D. Place an acoustic stimulator on the abdomen.
Correct answer: D
Rationale: In cases where the fetal heart rate remains non-reactive during an NST, using an acoustic stimulator on the abdomen can help stimulate fetal movement and promote heart rate reactivity. This intervention aims to assess the fetus's well-being and response to external stimuli, which can provide valuable information about fetal health status.
5. The client is 30 weeks pregnant and experiencing preterm labor. Which medication should the nurse anticipate administering to promote fetal lung maturity?
- A. Betamethasone (Celestone).
- B. Magnesium sulfate.
- C. Terbutaline (Brethine).
- D. Ampicillin.
Correct answer: A
Rationale: Betamethasone (Celestone) is the medication of choice to promote fetal lung maturity in cases of preterm labor. It helps accelerate surfactant production in the fetal lungs, reducing the risk of respiratory distress syndrome. Administering betamethasone to the mother can improve the baby's lung function and overall outcome if preterm birth occurs. Magnesium sulfate is commonly used to prevent seizures in preeclampsia or eclampsia. Terbutaline is a tocolytic agent used to suppress preterm labor contractions. Ampicillin is an antibiotic used for various bacterial infections but does not promote fetal lung maturity.
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