HESI RN
HESI Maternity 55 Questions Quizlet
1. A full-term infant is transferred to the nursery from labor and delivery. Which information is most important for the LPN/LVN to receive when planning immediate care for the newborn?
- A. Length of labor and method of delivery.
- B. Infant's condition at birth and treatment received.
- C. Feeding method chosen by the parents.
- D. History of drugs given to the mother during labor.
Correct answer: B
Rationale: When a full-term infant is transferred to the nursery, the most crucial information for the LPN/LVN to receive for immediate care planning is the infant's condition at birth and any treatments received. This data helps in determining the initial care needs and monitoring requirements for the newborn. Choices A, C, and D are not as critical as the infant's condition at birth and treatment received. The length of labor and method of delivery may provide background information but may not be as essential for immediate care planning. The feeding method chosen by the parents and the history of drugs given to the mother during labor are important but do not take precedence over knowing the infant's condition and treatment received.
2. In which chromosome pattern is Duchenne disease inherited?
- A. Autosomal dominant
- B. Autosomal recessive
- C. X-linked recessive
- D. Mitochondrial
Correct answer: C
Rationale: Duchenne disease is caused by a mutation in the DMD gene located on the X chromosome, leading to an X-linked recessive inheritance pattern. Males are typically affected by this disorder as they have only one X chromosome, while females are carriers with one normal and one affected X chromosome.
3. Immediately after birth, a newborn infant is suctioned, dried, and placed under a radiant warmer. The infant has spontaneous respirations, and the nurse assesses an apical heart rate of 80 beats/minute and respirations of 20 breaths/minute. What action should the nurse take next?
- A. Initiate positive pressure ventilation.
- B. Intervene after the one-minute Apgar assessment.
- C. Initiate CPR on the infant.
- D. Assess the infant's blood glucose level.
Correct answer: A
Rationale: A heart rate below 100 bpm in a newborn indicates bradycardia and requires intervention. Positive pressure ventilation should be initiated to improve oxygenation and help increase the infant's heart rate. This intervention is crucial to support the newborn's transition to extrauterine life and prevent further complications.
4. While caring for a laboring client on continuous fetal monitoring, the nurse notes a fetal heart rate pattern that falls and rises abruptly with a 'V' shaped appearance. What action should the nurse take first?
- A. Change the maternal position.
- B. Administer oxygen at 10 L by mask.
- C. Prepare for a potential cesarean.
- D. Allow the client to begin pushing.
Correct answer: A
Rationale: In cases of fetal heart rate patterns showing abrupt falls and rises with a 'V' shaped appearance, it indicates possible cord compression. Changing the maternal position, such as moving the mother onto her side, can relieve the pressure off the cord and help improve fetal oxygenation, making it the priority intervention to address the decelerations.
5. A 34-week primigravida woman with preeclampsia is receiving Lactated Ringer’s 500ml with magnesium sulfate 20 grams at the rate of 3g/hr. How many ml/hr should the nurse program the infusion pump?
- A. 75ml/hr
- B. 100ml/hr
- C. 50ml/hr
- D. 25ml/hr
Correct answer: A
Rationale: To calculate the infusion rate, divide the total quantity to be infused (500ml) by the total time (1 hour) which equals 500ml/hr. Since the magnesium sulfate is being given at 3g/hr, and 1g of magnesium sulfate is in 5ml of solution, the rate will be 3g/hr x 5ml/g = 15ml/hr. Therefore, the total infusion rate should be 500ml/hr + 15ml/hr = 515ml/hr. Hence, the nurse should program the infusion pump to deliver 75ml/hr (515ml/hr total - 500ml/hr Lactated Ringer's rate). This choice is correct because it accounts for both the Lactated Ringer's and magnesium sulfate rates. Choice B, 100ml/hr, is incorrect as it does not consider the additional magnesium sulfate infusion rate. Choice C, 50ml/hr, is incorrect because it does not account for the magnesium sulfate infusion. Choice D, 25ml/hr, is incorrect as it is too low and does not consider the magnesium sulfate being infused concurrently.
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