the nurse is measuring the frontal occipital circumference foc of a 3 months old infant and notes that the foc has increased 5 inches since birth and
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HESI RN

HESI Pediatric Practice Exam

1. The nurse is measuring the frontal occipital circumference (FOC) of a 3-month-old infant and notes that the FOC has increased by 5 inches since birth, and the child's head appears large in relation to body size. Which action is most important for the nurse to take next?

Correct answer: B

Rationale: Palpating the anterior fontanel for tension and bulging is crucial in assessing for increased intracranial pressure. In this scenario, the infant's large head size and rapid increase in the frontal occipital circumference raise concerns for potential issues such as hydrocephalus. Measuring the head-to-toe length (Choice A) is not the priority when assessing for increased intracranial pressure. Observing for sunken eyes (Choice C) is more indicative of dehydration rather than increased intracranial pressure. While plotting the measurement on the infant's growth chart (Choice D) is important for tracking growth, it does not address the immediate concern of assessing for increased intracranial pressure.

2. A 3-year-old with a congenital heart defect has had a steady decrease in heart rate, now at 76 bpm from 110 bpm four hours ago. Which additional finding should be reported immediately to a healthcare provider?

Correct answer: D

Rationale: A significant drop in heart rate and blood pressure should be reported immediately as it may indicate worsening of the congenital heart defect. The blood pressure of 70/40 is dangerously low and requires immediate attention to prevent further complications. Oxygen saturation of 94% is within an acceptable range and does not indicate immediate danger. A respiratory rate of 25 breaths/minute is slightly elevated but not a critical finding. Urine output of 20 mL/hr is low but may not be the most concerning finding in this scenario compared to the drop in blood pressure.

3. What information should the practical nurse ensure the family understands about caring for a child with a tracheostomy?

Correct answer: A

Rationale: The correct answer is A: Cardiopulmonary resuscitation. It is essential for families to be educated in cardiopulmonary resuscitation (CPR) to manage emergencies involving patients with tracheostomies. Maintaining a clear airway is crucial for the child's safety and well-being. Choice B, hygiene practices, although important, is not as critical as CPR in managing a tracheostomy. Choice C, the proper technique for tracheostomy suctioning, is also crucial but does not take precedence over CPR in emergency situations. Choice D, application of powder around the stoma, is not a standard practice and may not be necessary for tracheostomy care.

4. Which assessment finding should the healthcare provider identify as most concerning in a child with acute glomerulonephritis?

Correct answer: A

Rationale: In a child with acute glomerulonephritis, hypertension is the most concerning assessment finding as it can indicate worsening renal function. Hypertension is a common complication of glomerulonephritis and can lead to further kidney damage if not managed promptly. Monitoring and controlling blood pressure is crucial in these cases to prevent complications and preserve renal function. Gross hematuria, proteinuria, and periorbital edema are also common findings in acute glomerulonephritis but hypertension poses a higher risk for renal damage if left uncontrolled.

5. A child who weighs 25 kg is receiving IV ampicillin 300 mg/kg/24 hours in equally divided doses every 4 hours. How many milligrams should the nurse administer to the child for each dose?

Correct answer: A

Rationale: To calculate the dose for each administration, multiply the child's weight (25 kg) by the dose (300 mg/kg/24 hours) and divide by the number of doses per day (6, as doses are every 4 hours). This gives us (25 kg * 300 mg/kg / 24 hours) / 6 doses = 1875 mg. Therefore, the nurse should administer 1875 mg for each dose. Choice B, 625 mg, is incorrect as it does not consider the correct calculation based on the weight and prescribed dose. Choice C, 2000 mg, is incorrect as it is not derived from the correct dosage calculation. Choice D, 1500 mg, is incorrect as it does not reflect the accurate dosage calculation based on the weight of the child and the prescribed dose.

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