HESI RN
HESI Pediatrics Practice Exam
1. A 10-year-old child is admitted to the hospital with a diagnosis of acute glomerulonephritis. The nurse notes that the child has edema and elevated blood pressure. What is the nurse’s priority action?
- A. Administer antihypertensive medication as prescribed
- B. Monitor the child’s urine output
- C. Elevate the child’s legs to reduce edema
- D. Restrict the child’s fluid intake
Correct answer: A
Rationale: In a child with acute glomerulonephritis presenting with edema and elevated blood pressure, the priority action for the nurse is to administer antihypertensive medication as prescribed. Managing blood pressure is essential to prevent further complications associated with the condition, such as worsening kidney function and cardiovascular strain. Monitoring urine output is important but not the priority over managing elevated blood pressure. Elevating the child's legs may help with edema but addressing the elevated blood pressure takes precedence. Fluid intake restriction may be necessary in some cases, but it is not the immediate priority when managing acute glomerulonephritis with edema and hypertension.
2. What should the nurse do first for a 6-year-old with asthma showing a prolonged expiratory phase, wheezing, and 35% of personal best peak expiratory flow rate (PEFR)?
- A. Administer a prescribed bronchodilator.
- B. Encourage the child to cough and take deep breaths.
- C. Report the findings to the healthcare provider.
- D. Identify the triggers that precipitated this attack.
Correct answer: A
Rationale: Administering a bronchodilator is the priority action in managing an acute asthma exacerbation in a child. Bronchodilators help to relax the muscles around the airways, opening them up and improving breathing. This intervention aims to address the immediate breathing difficulty and should be done promptly to provide relief for the child. Encouraging coughing and deep breaths (choice B) may worsen the child's condition by further constricting the airways. Reporting findings to the healthcare provider (choice C) is important but not the immediate priority in this acute situation. Identifying triggers (choice D) is crucial for long-term asthma management but is not the first step when managing an acute exacerbation.
3. What is the priority intervention for a 16-year-old client with a history of depression who is brought to the emergency department after taking an overdose of acetaminophen?
- A. Administer activated charcoal
- B. Place the client on continuous cardiac monitoring
- C. Prepare for gastric lavage
- D. Administer N-acetylcysteine as prescribed
Correct answer: D
Rationale: The priority intervention for a client who has taken an acetaminophen overdose is to administer N-acetylcysteine promptly. N-acetylcysteine is the antidote for acetaminophen overdose and helps prevent liver damage. Activated charcoal may be used in certain cases, but N-acetylcysteine takes precedence as it directly counteracts the toxic effects of acetaminophen. Continuous cardiac monitoring and gastric lavage are not the priority interventions for acetaminophen overdose. Administering N-acetylcysteine is crucial to prevent liver damage and address the overdose, making it the most urgent action in this scenario.
4. A 4-year-old child with a history of frequent ear infections is brought to the clinic by the parents who are concerned about the child’s hearing. What is the nurse’s priority action?
- A. Perform a hearing test
- B. Inspect the child’s ears for drainage
- C. Refer the child to an audiologist
- D. Ask the parents about the child’s speech development
Correct answer: B
Rationale: The nurse's priority action should be to inspect the child's ears for drainage. This immediate assessment can provide valuable information about the presence of infection or fluid accumulation, which can directly impact the child's hearing. By identifying any signs of drainage, the nurse can promptly address any current issues affecting the child's ear health and hearing abilities. Performing a hearing test (Choice A) may be necessary but should follow the initial assessment of the ears. Referring the child to an audiologist (Choice C) can be considered later based on the findings. Asking about speech development (Choice D) is important but not the immediate priority compared to assessing for current ear issues.
5. The parents of a 3-year-old boy who has Duchenne muscular dystrophy ask, 'How can our son have this disease? We are wondering if we should have any more children.' What information should the nurse provide to parents?
- A. This is an inherited X-linked recessive disorder, which primarily affects male children in the family
- B. The striated muscle groups of males can be impacted by a lack of the protein dystrophin in their mothers
- C. The male infant had a viral infection that went unnoticed and untreated so muscle damage was incurred
- D. Birth trauma with a breech vaginal birth causes damage to the spinal cord, thus weakening the muscles
Correct answer: A
Rationale: The correct answer is A. Duchenne muscular dystrophy is an X-linked recessive disorder that primarily affects males. It is crucial for the nurse to explain to the parents that this condition follows an inheritance pattern where the gene mutation responsible for the disorder is located on the X chromosome. Males have only one X chromosome, so if they inherit the mutated gene, they will develop the disease. Females, on the other hand, have two X chromosomes, providing a backup copy that can compensate for the mutation. Understanding this inheritance pattern is essential for family planning decisions, as the risk of passing on the disorder to future children can be explained based on this genetic inheritance. Choices B, C, and D are incorrect because they do not address the genetic basis of Duchenne muscular dystrophy or its inheritance pattern, which is crucial information for the parents in this scenario.
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