HESI RN
Pediatric HESI
1. When caring for a 5-year-old child with a history of seizures who suddenly begins to have a tonic-clonic seizure, what should the nurse do first?
- A. Administer oxygen
- B. Insert an oral airway
- C. Turn the child to the side
- D. Start an IV line
Correct answer: C
Rationale: During a tonic-clonic seizure, the priority action is to turn the child to the side. This helps maintain an open airway and prevents aspiration of secretions or vomitus. It also helps in keeping the airway clear and promotes safety during the seizure episode. Administering oxygen, inserting an oral airway, and starting an IV line are important interventions but should follow the initial step of positioning the child to prevent airway obstruction.
2. The nurse is conducting an admission assessment of an 11-month-old infant with CHF who is scheduled for repair of restenosis of coarctation of the aorta that was repaired 4 days after birth. Findings include blood pressure higher in the arms than the lower extremities, pounding brachial pulses, and slightly palpable femoral pulses. What pathophysiologic mechanisms support these findings?
- A. The aortic semilunar valve obstructs blood flow into the systemic circulation
- B. The lumen of the aorta reduces the volume of the blood flow to the lower extremities
- C. The pulmonic valve prevents adequate blood volume into the pulmonary circulation
- D. An opening in the atrial septum causes a murmur due to a turbulent left to right shunt
Correct answer: B
Rationale: The findings are consistent with coarctation of the aorta, where narrowing of the aorta leads to decreased blood flow to the lower extremities. This results in higher blood pressure in the arms compared to the lower extremities, pounding brachial pulses, and slightly palpable femoral pulses. Choices A, C, and D are incorrect because they do not align with the pathophysiological mechanisms of coarctation of the aorta, which specifically involves narrowing of the aortic lumen reducing blood flow to the lower extremities.
3. A school-age child with a history of type 1 diabetes mellitus is brought to the emergency department with confusion and rapid breathing. The practical nurse (PN) suspects diabetic ketoacidosis (DKA). Which initial intervention should the PN anticipate?
- A. Administer subcutaneous insulin.
- B. Give oral glucose tablets.
- C. Start intravenous fluids.
- D. Administer oxygen therapy.
Correct answer: C
Rationale: Intravenous fluids are typically the initial intervention in diabetic ketoacidosis (DKA) to treat dehydration and stabilize the patient's condition. The fluid replacement helps correct electrolyte imbalances and improve perfusion, which are crucial in managing DKA. Insulin therapy follows after fluid resuscitation to address the underlying cause of DKA, which is the lack of insulin leading to increased ketone production. Administering subcutaneous insulin (Choice A) would be premature without first addressing the dehydration and electrolyte imbalances. Giving oral glucose tablets (Choice B) is contraindicated in DKA as the patient already has high blood glucose levels. Administering oxygen therapy (Choice D) may be necessary based on the patient's condition, but addressing dehydration with intravenous fluids is the priority intervention in DKA.
4. What intervention should the nurse implement first for a male toddler brought to the emergency center approximately three hours after swallowing tablets from his grandmother's bottle of digoxin (Lanoxin)?
- A. Administer activated charcoal
- B. Prepare gastric lavage
- C. Obtain a 12-lead electrocardiogram
- D. Give IV digoxin immune fab (Digibind)
Correct answer: A
Rationale: Administering activated charcoal is the priority intervention as it binds with digoxin, preventing further absorption in the gastrointestinal tract. This helps reduce the amount of digoxin available for systemic circulation and minimizes its toxic effects. Gastric lavage is no longer recommended due to potential complications and lack of evidence of efficacy. Obtaining an electrocardiogram may help assess the effects of digoxin toxicity, but it is not the initial priority. IV digoxin immune fab (Digibind) is used in severe cases of digoxin toxicity but is not the first-line intervention.
5. The child is 3 years old and is 2 hours postop from a cardiac catheterization via the right femoral artery. Which assessment finding indicates arterial obstruction?
- A. Blood pressure is decreasing, and the pulse is rapid and irregular.
- B. The right foot feels cool to the touch and appears pale and blanched.
- C. The pulse distal to the femoral artery is weaker in the left foot than the right foot.
- D. The pressure dressing at the right femoral area is damp and oozing blood.
Correct answer: B
Rationale: A cool, pale, and blanched foot is indicative of arterial obstruction, leading to poor blood flow. This finding requires immediate intervention to prevent further complications such as tissue damage or necrosis. Monitoring for signs of arterial compromise, such as color changes, temperature, and capillary refill, is crucial in detecting and managing vascular complications post-cardiac catheterization. Choices A, C, and D do not directly indicate arterial obstruction. While a decreasing blood pressure and rapid, irregular pulse may suggest compromise, these findings are more nonspecific. A weaker pulse distal to the femoral artery indicates reduced perfusion but not necessarily arterial obstruction. Finally, a damp, oozing pressure dressing suggests a dressing issue rather than arterial obstruction.
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