HESI RN
HESI Pediatric Practice Exam
1. An infant with tetralogy of Fallot becomes acutely cyanotic and hyperpneic. Which action should the nurse implement first?
- A. Administer morphine sulfate.
- B. Start IV fluids.
- C. Place the infant in a knee-chest position.
- D. Provide 100% oxygen by face mask.
Correct answer: C
Rationale: In a situation where an infant with tetralogy of Fallot is acutely cyanotic and hyperpneic, the priority action should be to place the infant in a knee-chest position. This position helps increase systemic vascular resistance, improving pulmonary blood flow and subsequently ameliorating the cyanosis and hyperpnea. It is a non-invasive and effective intervention that can be promptly implemented by the nurse to address the immediate respiratory distress. Administering morphine sulfate (Choice A) is not the priority in this case as it may cause further respiratory depression. Starting IV fluids (Choice B) may not address the immediate cyanosis and hyperpnea. Providing 100% oxygen by face mask (Choice D) can help with oxygenation but may not be as effective as placing the infant in a knee-chest position to improve blood flow dynamics.
2. Which nursing intervention is most important to assist in detecting hypopituitarism and hyperpituitarism in children?
- A. Carefully recording the height and weight of children to detect inappropriate growth.
- B. Performing head circumference measurements on infants under one year of age.
- C. Assessing for behavioral problems at home and school by interviewing the parents.
- D. Noting tracked weight gain without a gain in height on a growth chart.
Correct answer: A
Rationale: Recording the height and weight of children is crucial in detecting growth abnormalities like hypopituitarism and hyperpituitarism. Inappropriate growth patterns, such as disproportionate weight gain or stunted height, can be indicative of these conditions. Regular monitoring of height and weight is a fundamental nursing intervention that can aid in the early identification and management of pituitary-related disorders in children.
3. The caregiver is caring for a 3-year-old child with a diagnosis of gastroenteritis. The child has had several episodes of vomiting and diarrhea over the past 24 hours. What is the caregiver's priority assessment?
- A. Monitor the child's weight
- B. Assess the child's hydration status
- C. Evaluate the child's nutritional intake
- D. Check the child's temperature
Correct answer: B
Rationale: The correct answer is B: Assess the child's hydration status. In children with gastroenteritis, assessing hydration status is crucial as they are at risk of dehydration due to vomiting and diarrhea. Monitoring hydration helps prevent complications and guides appropriate interventions to maintain the child's fluid balance. Monitoring the child's weight (Choice A) is not the priority in this situation compared to assessing hydration status. Evaluating nutritional intake (Choice C) is important but not the priority when the child is at risk of dehydration. Checking the child's temperature (Choice D) is relevant but not the priority over assessing hydration status in a child with gastroenteritis.
4. Which statement by a school-aged client going to summer camp indicates the best understanding of the mode of transmission of Lyme disease?
- A. I'll cover my mouth with a wet cloth if there's too much dust blowing.
- B. Cuts and scrapes need to be washed out and covered right away.
- C. I'm not going to swim where the water is standing still or feels too hot.
- D. I have to wear long sleeves and pants when we're hiking around the pond.
Correct answer: D
Rationale: The correct answer is D. Wearing long sleeves and pants is an effective measure to prevent tick bites, which can transmit Lyme disease. Ticks are commonly found in wooded areas and tall grass, so covering exposed skin helps reduce the risk of tick bites and subsequently lowers the risk of contracting Lyme disease. Choices A, B, and C do not directly address the mode of transmission of Lyme disease. Option A pertains to respiratory protection against dust, Option B focuses on wound care, and Option C relates to water safety, none of which are directly related to preventing Lyme disease transmission.
5. When should a mother introduce solid foods to her infant? The mother of a 4-month-old baby girl asks the nurse when she should introduce solid foods to her infant. The mother states, 'My mother says I should put rice cereal in the baby’s bottle now.' The nurse should instruct the mother to introduce solid foods when her child exhibits which behavior?
- A. Stops rooting when hungry
- B. Opens mouth when food comes her way
- C. Awakens once for nighttime feedings
- D. Gives up a bottle for a cup
Correct answer: B
Rationale: The correct answer is 'B: Opens mouth when food comes her way.' Readiness for solid foods is indicated by the infant showing interest in food and being able to sit up with support. This behavior demonstrates the infant's readiness to start introducing solid foods in their diet. Choices A, C, and D are incorrect because stopping rooting when hungry, awakening once for nighttime feedings, and giving up a bottle for a cup are not indicators of readiness for solid foods in infants.
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