HESI RN
HESI Pediatric Practice Exam
1. A child who is admitted to the hospital with anemia is anxious, fearful, and hyperventilating. The nurse anticipates the child developing which acid-base imbalance?
- A. Metabolic acidosis
- B. Respiratory acidosis
- C. Respiratory alkalosis
- D. Metabolic alkalosis
Correct answer: C
Rationale: In this scenario, the child is hyperventilating, which leads to excessive loss of carbon dioxide. This loss of carbon dioxide causes respiratory alkalosis due to a decrease in the partial pressure of carbon dioxide in the blood. Therefore, the correct answer is respiratory alkalosis. Choices A, B, and D are incorrect. Metabolic acidosis is characterized by a decrease in pH and bicarbonate levels due to conditions like kidney disease. Respiratory acidosis is caused by retention of carbon dioxide, leading to an increase in the partial pressure of carbon dioxide. Metabolic alkalosis results from a loss of acid or an increase in bicarbonate levels.
2. The caregiver is caring for a 2-month-old infant with a diagnosis of bronchiolitis. Which assessment finding would be most concerning to the caregiver?
- A. Nasal flaring and grunting
- B. Coughing and wheezing
- C. Poor feeding and irritability
- D. Increased respiratory rate
Correct answer: A
Rationale: Nasal flaring and grunting are indicative of respiratory distress, suggesting the infant is having difficulty breathing. This finding requires immediate attention as it signifies a more severe respiratory compromise compared to the other symptoms listed.
3. How should the caregiver instruct on caring for a 4-month-old with seborrheic dermatitis (cradle cap) when shampooing the child's hair?
- A. Use a soft brush and gently scrub the area.
- B. Avoid scrubbing the scalp until the scales disappear.
- C. Avoid washing the child's hair more than once a week.
- D. Use soap and water and avoid shampoos.
Correct answer: A
Rationale: When dealing with seborrheic dermatitis (cradle cap) in infants, it is essential to use a soft brush and gently scrub the affected area to help remove the scales. This process can aid in managing the condition and preventing further build-up. It is important to be gentle to avoid irritating the baby's delicate skin. Choice B is incorrect as gentle scrubbing with a soft brush can help in the removal of scales. Choice C is incorrect because regular but gentle washing is recommended to manage cradle cap. Choice D is incorrect as using specialized shampoos designed for cradle cap is usually recommended over soap and water.
4. The practical nurse (PN) is caring for an adolescent who has been diagnosed with mononucleosis. Which activity should the PN advise the adolescent to avoid?
- A. Playing video games.
- B. Drinking caffeinated beverages.
- C. Participating in contact sports.
- D. Eating spicy foods.
Correct answer: C
Rationale: Contact sports should be avoided in mononucleosis due to the risk of spleen rupture, which is a serious complication of the disease. The spleen can enlarge in mononucleosis, making it more susceptible to injury from contact sports, potentially leading to a life-threatening situation if rupture occurs.
5. After reinforcing information on treating a sprained ankle, what statement by the adolescent indicates to the practical nurse that further instruction is needed?
- A. Keep the leg elevated when sitting.
- B. Wrap the ankle in an elastic bandage for support.
- C. Apply warm compresses to the ankle for the first 24 hours.
- D. Put an ice pack on the ankle, alternating 30 minutes on and 30 minutes off.
Correct answer: C
Rationale: The correct answer is C. Applying warm compresses to a sprained ankle within the first 24 hours is incorrect as it can increase swelling and inflammation. Instead, cold compresses are recommended to help reduce swelling and pain. Option A, keeping the leg elevated, helps in reducing swelling. Option B, wrapping the ankle in an elastic bandage, provides support. Option D, using an ice pack in intervals, is effective in reducing swelling and pain. Therefore, the statement about applying warm compresses indicates the need for further instruction.
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