HESI RN
HESI Pediatrics Practice Exam
1. After observing a mother giving her 11-month-old ferrous sulfate followed by two ounces of orange juice, what should the nurse do next?
- A. Suggest placing the iron drops in the orange juice and feed the infant.
- B. Tell the mother to follow the iron drops with formula instead of orange juice.
- C. Instruct the mother to feed the infant nothing in the next 30 minutes after the iron.
- D. Give positive feedback about the way she administered the sulfate.
Correct answer: D
Rationale: Providing positive feedback to the mother for correctly administering the iron supplements is essential as it reinforces proper medication administration practices. This encouragement can help build the mother's confidence and ensure that she continues to administer the supplements correctly in the future, promoting the infant's health and well-being. Choices A, B, and C are incorrect because there is no need to suggest altering the administration method, changing the liquid used, or restricting feeding immediately after administering the iron supplement. Giving positive feedback is the most appropriate action in this scenario to acknowledge the mother's correct administration technique.
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 7-year-old child with leukemia is receiving chemotherapy. The mother asks the practical nurse (PN) how to manage the child's nausea at home. What advice should the PN provide?
- A. Provide small, frequent meals.
- B. Encourage the child to eat spicy foods.
- C. Offer large meals less frequently.
- D. Allow the child to eat whatever they want.
Correct answer: A
Rationale: During chemotherapy, children may experience nausea. Providing small, frequent meals can help manage nausea as they are easier to tolerate, reducing the likelihood of vomiting. It is important to offer bland, non-spicy foods to avoid exacerbating nausea. Encouraging large meals less frequently or allowing the child to eat whatever they want may overwhelm the digestive system and worsen nausea. Therefore, the correct advice is to provide small, frequent meals to help the child manage nausea effectively.
4. A child who is admitted to the hospital with anemia is anxious, fearful, and hyperventilating. The nurse anticipates the child developing which acid-base imbalance?
- A. Metabolic acidosis
- B. Respiratory acidosis
- C. Respiratory alkalosis
- D. Metabolic alkalosis
Correct answer: C
Rationale: In this scenario, the child is hyperventilating, which leads to excessive loss of carbon dioxide. This loss of carbon dioxide causes respiratory alkalosis due to a decrease in the partial pressure of carbon dioxide in the blood. Therefore, the correct answer is respiratory alkalosis. Choices A, B, and D are incorrect. Metabolic acidosis is characterized by a decrease in pH and bicarbonate levels due to conditions like kidney disease. Respiratory acidosis is caused by retention of carbon dioxide, leading to an increase in the partial pressure of carbon dioxide. Metabolic alkalosis results from a loss of acid or an increase in bicarbonate levels.
5. When developing a behavior modification program for an extremely aggressive 10-year-old boy, what should the nurse do first?
- A. Identify what activities, foods, and toys the child enjoys
- B. Assess the child's previous reactions to punishment
- C. Offer the child positive feedback
- D. Involve other children on the unit in describing the token system
Correct answer: A
Rationale: The first step in developing a behavior modification program for an extremely aggressive 10-year-old boy is to identify what activities, foods, and toys the child enjoys. Understanding the child's motivations is crucial in creating an effective behavior modification plan tailored to his interests and preferences, which can help in positively reinforcing desired behaviors.
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