HESI RN
Maternity HESI Quizlet
1. The nurse is assessing a newborn who was precipitously delivered at 38 weeks' gestation. The newborn is tremulous, tachycardic, and hypertensive. Which assessment action is most important for the nurse to take?
- A. Perform a gestational age assessment.
- B. Obtain a drug screen for cocaine.
- C. Determine reactivity of neonatal reflexes.
- D. Weigh and measure the newborn.
Correct answer: B
Rationale: The correct answer is to obtain a drug screen for cocaine. Tremulousness, tachycardia, and hypertension in a newborn can be signs of neonatal abstinence syndrome, often caused by maternal drug use, such as cocaine. Identifying maternal drug use is crucial for appropriate management and treatment of the newborn.
2. A newborn's parents tell the nurse that their baby is already trying to walk. How should the nurse respond?
- A. Encourage the parents to report this to the healthcare provider.
- B. Acknowledge the parents' observation.
- C. Schedule the newborn for further neurological testing.
- D. Explain the newborn’s normal stepping reflex.
Correct answer: D
Rationale: When parents report that their newborn is trying to walk, the nurse should understand that newborns exhibit a stepping reflex, which is a normal developmental response. Explaining this reflex to the parents helps them understand that it is a typical behavior seen in newborns rather than true attempts to walk. Encouraging the parents to report this to the healthcare provider (Choice A) may cause unnecessary concern since the stepping reflex is a normal part of newborn development. Acknowledging the parents' observation (Choice B) is a good communication strategy but providing education on the normal reflex is essential. Scheduling the newborn for further neurological testing (Choice C) is not indicated in this scenario as the stepping reflex is a typical finding in newborns.
3. An infant with tetralogy of Fallot becomes acutely cyanotic and hyperneic. Which action should the nurse implement first?
- A. Place the infant in a knee-chest position.
- B. Administer morphine sulfate.
- C. Start intravenous fluids.
- D. Provide 100% oxygen by face mask.
Correct answer: A
Rationale: In a tetralogy of Fallot situation, placing the infant in a knee-chest position is the initial priority to help increase systemic vascular resistance, which reduces the right-to-left shunt and improves oxygenation. This position can assist in optimizing oxygen levels before considering other interventions. Administering morphine sulfate (choice B) is not the first-line treatment for tetralogy of Fallot crisis. Starting intravenous fluids (choice C) may be necessary but is not the priority in this situation. Providing 100% oxygen by face mask (choice D) may not fully address the underlying issue of decreased systemic vascular resistance that leads to cyanosis in tetralogy of Fallot.
4. A newborn with a yellow abdomen and chest is being assessed. What should be the nurse's initial action?
- A. Assess bilirubin level.
- B. Administer phototherapy.
- C. Encourage feeding to help reduce bilirubin levels.
- D. Perform a bilirubin test every hour.
Correct answer: A
Rationale: The correct action when assessing a newborn with a yellow abdomen and chest is to initially assess the bilirubin level. This helps determine the severity of jaundice in the newborn. Administering phototherapy (choice B) is a treatment intervention that follows the assessment. Encouraging feeding (choice C) can help with bilirubin excretion but is not the initial assessment. Performing a bilirubin test every hour (choice D) may not be necessary initially and could lead to unnecessary interventions.
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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