HESI RN
HESI Practice Test Pediatrics
1. A child receives a prescription for amantadine 42 mg PO BID. Amantadine is available as a 50 mg/5 mL syrup. Using a supplied calibrated measuring device, how many mL should be administered per dose? (Round to the nearest tenth.)
- A. 4.2 mL
- B. 5 mL
- C. 3.6 mL
- D. 4 mL
Correct answer: A
Rationale: To calculate the mL per dose, divide the prescribed dose (42 mg) by the concentration of the syrup (50 mg/5 mL) and then convert the result to mL. 42 mg / 50 mg = 0.84. To find the amount in mL, multiply 0.84 by 5 mL, which equals 4.2 mL. Therefore, 4.2 mL should be administered per dose.
2. The nurse is caring for a 4-year-old child who has been diagnosed with measles. Which intervention should the nurse implement to prevent the spread of infection?
- A. Administer antipyretics as prescribed
- B. Place the child in airborne isolation
- C. Encourage fluid intake
- D. Teach the parents about hand hygiene
Correct answer: B
Rationale: Measles is an airborne infection, so placing the child in airborne isolation is crucial to prevent the spread of the virus to others. Airborne isolation precautions help contain infectious respiratory droplets and reduce the risk of transmission to healthcare workers, other patients, and visitors. Administering antipyretics, encouraging fluid intake, and teaching parents about hand hygiene are important aspects of care but do not directly address the prevention of the spread of measles, which requires airborne precautions.
3. What action should the nurse implement when the infusion of chemotherapy via an implanted medication port is complete for a 16-year-old with acute myelocytic leukemia at the outpatient oncology clinic?
- A. Administer Zofran
- B. Obtain blood samples for RBCs, WBCs, and platelets
- C. Flush mediport with saline and heparin solution
- D. Initiate an infusion of normal saline
Correct answer: C
Rationale: The correct action for the nurse to implement when the chemotherapy infusion is complete is to flush the mediport with saline and heparin solution. This process helps prevent clotting and ensures the patency of the port, which is essential for future medication administrations and blood draws. Administering Zofran (Choice A) is not necessary after completing the chemotherapy infusion. Obtaining blood samples (Choice B) for RBCs, WBCs, and platelets is important but not the immediate action after completing the infusion. Initiating an infusion of normal saline (Choice D) is not required unless there is a specific indication for it.
4. What is the most important information for the PN to reinforce with the parents when caring for a child diagnosed with acute rheumatic fever?
- A. Complete the full course of prescribed antibiotics.
- B. Ensure the child gets plenty of physical exercise.
- C. Keep the child on a low-sodium diet.
- D. Administer prescribed pain medications as needed.
Correct answer: A
Rationale: Completing the full course of antibiotics is crucial in the management of acute rheumatic fever as it helps prevent recurrence and complications. Antibiotics are essential in eradicating the underlying infection that triggers the autoimmune response leading to rheumatic fever. Reinforcing the importance of completing the prescribed antibiotic regimen is vital to ensure the child's recovery and prevent further health issues. Choices B, C, and D are not as critical as completing the antibiotic treatment. While physical exercise, a low-sodium diet, and pain management are important aspects of overall health, they are not the primary focus when managing acute rheumatic fever.
5. The practical nurse is providing care for a toddler who has just returned from surgery for a tonsillectomy. Which intervention is a priority in the immediate postoperative period?
- A. Offer clear fluids frequently.
- B. Encourage the child to cough and deep breathe.
- C. Monitor for frequent swallowing.
- D. Apply a warm compress to the throat area.
Correct answer: C
Rationale: Monitoring for frequent swallowing is a priority intervention in the immediate postoperative period after a tonsillectomy. Frequent swallowing may indicate bleeding from the surgical site, which requires immediate attention to prevent complications such as hemorrhage. Offering clear fluids frequently may not be appropriate immediately after surgery. Encouraging coughing and deep breathing may increase the risk of bleeding. Applying a warm compress to the throat area is not recommended as it can increase blood flow to the surgical site, potentially causing bleeding.
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