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. In a 7-year-old child with a history of asthma experiencing an acute asthma exacerbation and displaying wheezing and the use of accessory muscles to breathe, what is the nurse’s priority intervention?
- A. Administer a nebulized bronchodilator
- B. Obtain an arterial blood gas
- C. Start the child on oxygen therapy
- D. Notify the healthcare provider
Correct answer: A
Rationale: The correct answer is to administer a nebulized bronchodilator. During an acute asthma exacerbation in a child with wheezing and increased work of breathing, the priority intervention is to provide immediate bronchodilation to dilate the airways, relieve bronchospasm, and improve breathing. This intervention aims to manage the acute asthma attack effectively and prevent further respiratory distress. Obtaining an arterial blood gas, starting oxygen therapy, or notifying the healthcare provider are important actions, but administering a bronchodilator takes precedence in addressing the acute respiratory compromise.
3. An infant with tetralogy of Fallot becomes acutely cyanotic and hyperpneic. Which action should the nurse implement first?
- A. Administer morphine sulfate.
- B. Start IV fluids.
- C. Place the infant in a knee-chest position.
- D. Provide 100% oxygen by face mask.
Correct answer: C
Rationale: In a situation where an infant with tetralogy of Fallot is acutely cyanotic and hyperpneic, the priority action should be to place the infant in a knee-chest position. This position helps increase systemic vascular resistance, improving pulmonary blood flow and subsequently ameliorating the cyanosis and hyperpnea. It is a non-invasive and effective intervention that can be promptly implemented by the nurse to address the immediate respiratory distress. Administering morphine sulfate (Choice A) is not the priority in this case as it may cause further respiratory depression. Starting IV fluids (Choice B) may not address the immediate cyanosis and hyperpnea. Providing 100% oxygen by face mask (Choice D) can help with oxygenation but may not be as effective as placing the infant in a knee-chest position to improve blood flow dynamics.
4. 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.
5. What is the most suitable toy for a 3-year-old boy receiving weekly chemotherapy treatment?
- A. Bouncy ball
- B. Coloring book with crayons
- C. Duck that squeaks
- D. Remote-controlled car
Correct answer: B
Rationale: A coloring book with crayons is the best choice as it is safe, engaging, and can provide a distraction during treatment without posing any safety risks. Coloring activities can help keep the child occupied, promote creativity, and offer a calming and therapeutic outlet during chemotherapy sessions.
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