an infant with tetralogy of fallot becomes acutely cyanotic and hyperneic which action should the nurse implement first
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Nursing Elites

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HESI Maternity Test Bank

1. An infant with tetralogy of Fallot becomes acutely cyanotic and hyperneic. Which action should the nurse implement first?

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.

2. A full-term, 24-hour-old infant in the nursery regurgitates and suddenly turns cyanotic. What should the nurse do first?

Correct answer: A

Rationale: In a situation where an infant regurgitates and turns cyanotic, the priority action should be to clear any potential airway obstruction. Suctioning the oral and nasal passages is crucial to ensure the infant's airway is clear and allow for proper breathing. This intervention takes precedence over providing oxygen, stimulating the infant to cry, or repositioning the infant.

3. An unlicensed assistive personnel (UAP) reports to the charge nurse that a client who delivered a 7-pound infant 12 hours ago is reporting a severe headache. The client’s blood pressure is 110/70 mmHg, respiratory rate is 18 breaths/min, heart rate is 74 beats/min, and temperature is 98.6°F (37°C). What action should the charge nurse implement first?

Correct answer: A

Rationale: A severe headache post-delivery could indicate a serious condition such as preeclampsia or a spinal headache, which requires immediate medical attention. Notifying the healthcare provider of the assessment findings allows for prompt evaluation and appropriate management of the client's condition.

4. A client who is receiving oxytocin to augment early labor begins to experience tachysystolic tetanic contractions with variable fetal heart decelerations. Which action should the nurse implement?

Correct answer: A

Rationale: When a client experiences tachysystolic tetanic contractions with variable fetal heart decelerations, indicating uterine hyperstimulation, the priority action is to turn off the oxytocin infusion. This step aims to reduce uterine activity, which can compromise fetal oxygenation and lead to adverse outcomes.

5. The healthcare provider is preparing to administer methylergonovine maleate (Methergine) to a postpartum client. Based on what assessment finding should the healthcare provider withhold the drug?

Correct answer: C

Rationale: A blood pressure of 149/90 is an indication to withhold Methergine due to its potential to further increase blood pressure. Methergine is a medication that can cause vasoconstriction, leading to elevated blood pressure. In this case, administering Methergine could exacerbate the elevated blood pressure, posing a risk to the patient. Therefore, it is crucial to withhold the medication in the presence of hypertension to prevent adverse effects. The other options are not directly related to the administration of Methergine. A respiratory rate of 22 breaths/min is within the normal range. A large amount of lochia rubra may indicate normal postpartum bleeding. A positive Homan’s sign is associated with deep vein thrombosis, which is not a contraindication for administering Methergine.

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