HESI RN
HESI Practice Test Pediatrics
1. A child admitted with diabetic ketoacidosis is demonstrating Kussmaul respirations. The nurse determines that the increased respiratory rate is a compensatory mechanism for which acid-base alteration?
- A. Metabolic alkalosis.
- B. Respiratory acidosis.
- C. Respiratory alkalosis.
- D. Metabolic acidosis.
Correct answer: D
Rationale: Kussmaul respirations are deep, rapid breathing patterns observed in metabolic acidosis, such as diabetic ketoacidosis. In this condition, the body tries to compensate for the acidic environment by increasing the respiratory rate to eliminate excess carbon dioxide (CO2) and decrease the acid levels, thereby helping to correct the acid-base imbalance. Therefore, the correct answer is metabolic acidosis.
2. The healthcare provider is evaluating the effects of thyroid therapy used to treat a 5-month-old with hypothyroidism. Which behavior indicates that the treatment has been effective?
- A. Laughs readily, turns from back to side.
- B. Has strong Moro and tonic neck reflexes.
- C. Keeps fists clenched, opens hands when grasping an object.
- D. Can lift head, but not chest when lying on abdomen.
Correct answer: A
Rationale: The ability to laugh readily and turn from back to side indicates the effectiveness of thyroid therapy and normal development in a 5-month-old. These behaviors suggest improved muscle tone and motor skills, which are positive outcomes of thyroid hormone replacement therapy for hypothyroidism. Choices B, C, and D describe developmental milestones that are not specific indicators of the effectiveness of thyroid therapy in treating hypothyroidism in a 5-month-old.
3. A 6-year-old boy with bronchial asthma takes the beta-adrenergic agonist agent albuterol (Proventil). The child's mother tells the nurse that she uses this medication to open her son's airway when he is having trouble breathing. What is the nurse's best response?
- A. Recommend that the mother bring the child in for immediate evaluation
- B. Advise the mother that overuse of the drug may cause chronic bronchitis
- C. Assure the mother that she is using the medication correctly
- D. Confirm that the medication helps to reduce airway inflammation
Correct answer: C
Rationale: The nurse's priority is to reassure the mother that she is using albuterol correctly to open her son's airways during episodes of difficulty breathing. This reassurance helps build trust and ensures that the child receives the intended benefit of the medication. The answer choice recommending immediate evaluation (A) is not appropriate at this point as the mother is using the medication as prescribed. Advising about overuse causing chronic bronchitis (B) is incorrect and may cause unnecessary alarm. Confirming that the medication helps reduce airway inflammation (D) is not the best response because albuterol is a beta-adrenergic agonist used primarily for bronchodilation in acute asthma exacerbations, rather than for reducing inflammation.
4. A 2-year-old is admitted to the hospital with possible encephalitis, and a lumbar puncture is scheduled. Which information should the nurse provide this child concerning the procedure?
- A. Describe the side-lying, knees to chest position that must be assumed during the procedure.
- B. Tell the child to expect loud clicking noises during the procedure that may be slightly annoying.
- C. Reassure the child that there will be no restrictions on activity after the procedure is completed.
- D. Explain that fluids cannot be taken for 8 hours before the procedure and for 4 hours after the procedure.
Correct answer: A
Rationale: The correct answer is A. Describing the side-lying, knees to chest position that must be assumed during the lumbar puncture procedure is essential as it helps the child understand what to expect, promotes cooperation, and reduces anxiety. This position is necessary for the procedure to be performed safely and effectively. Choice B is incorrect because mentioning loud clicking noises may increase the child's anxiety. Choice C is incorrect because there may be restrictions on activity after the procedure, depending on individual cases. Choice D is also incorrect as it provides information about fluid intake restrictions that are not directly related to the procedure itself.
5. A child with pertussis is receiving azithromycin (Zithromax Injection) IV. Which intervention is most important for the nurse to include in the child’s plan of care?
- A. Obtain vital signs to monitor for fluid overload
- B. Change IV site dressing every 3 days and as needed
- C. Monitor for signs of facial swelling or urticaria
- D. Assess for abdominal pain and vomiting
Correct answer: C
Rationale: Monitoring for signs of an allergic reaction, such as facial swelling or urticaria, is crucial when administering antibiotics like azithromycin. It is important to watch for these signs to promptly identify and manage any potential adverse reactions during the course of treatment.
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