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. A 14-year-old adolescent with a history of substance abuse is brought to the emergency department by the parents, who suspect that the adolescent has relapsed. What is the nurse’s priority action?
- A. Obtain a urine sample for toxicology screening
- B. Discuss treatment options with the parents
- C. Establish a therapeutic relationship with the adolescent
- D. Administer a medication to reverse the effects of the substance
Correct answer: A
Rationale: In this scenario, the nurse's priority action should be to obtain a urine sample for toxicology screening. This step is crucial in identifying the substances involved in the relapse, which will guide appropriate treatment strategies. By knowing the specific substances, healthcare providers can tailor treatment plans effectively. Establishing a therapeutic relationship and discussing treatment options come after obtaining necessary diagnostic information to ensure a comprehensive care plan. Administering a medication to reverse substance effects is not the initial priority; identification of the substances through toxicology screening should precede any treatment intervention.
3. 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.
4. A 4-month-old girl is brought to the clinic by her mother because she has had a cold for 2 to 3 days and woke up this morning with a hacking cough and difficulty breathing. Which additional assessment finding should alert the nurse that the child is in acute respiratory distress?
- A. Bilateral bronchial breath sounds.
- B. Diaphragmatic respiration.
- C. A resting respiratory rate of 35 breaths per minute.
- D. Flaring of the nares.
Correct answer: D
Rationale: Flaring of the nares is a clinical sign of acute respiratory distress in infants. It indicates an increased effort to breathe and is a crucial finding that requires immediate attention, as it signifies the child is having difficulty breathing and may be in respiratory distress. Choices A, B, and C are incorrect. Bilateral bronchial breath sounds may be present in conditions like pneumonia but do not specifically indicate acute respiratory distress. Diaphragmatic respiration is a normal breathing pattern and not a sign of distress. A resting respiratory rate of 35 breaths per minute in a 4-month-old infant is within the expected range, so it does not necessarily indicate acute respiratory distress.
5. A 9-year-old child is brought to the clinic with complaints of fatigue, pallor, and shortness of breath. The nurse notes that the child has a history of iron-deficiency anemia. What is the nurse’s priority action?
- A. Administer iron supplements as prescribed
- B. Monitor the child’s hemoglobin levels
- C. Educate the parents about dietary sources of iron
- D. Notify the healthcare provider
Correct answer: A
Rationale: In a child with a history of iron-deficiency anemia presenting with symptoms of fatigue, pallor, and shortness of breath, the priority action for the nurse is to administer iron supplements as prescribed. Iron supplementation is essential to treat iron-deficiency anemia and improve the child's symptoms promptly. Monitoring hemoglobin levels is important but administering iron supplements takes precedence to address the underlying cause. Educating parents about dietary iron sources is valuable for prevention but not the immediate priority. Notifying the healthcare provider may be necessary but should not delay the initiation of treatment with iron supplements.
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