HESI LPN
Pediatrics HESI 2023
1. A nurse is caring for an infant with intractable vomiting. For what complication is it most important for the nurse to assess?
- A. Acidosis
- B. Alkalosis
- C. Hyperkalemia
- D. Hypernatremia
Correct answer: B
Rationale: When an infant experiences intractable vomiting, it can lead to the loss of stomach acids, resulting in metabolic alkalosis. Alkalosis is characterized by elevated blood pH and can lead to serious complications. Assessing for alkalosis is essential in this scenario to monitor and manage the infant's condition. Choices A, C, and D are incorrect because in this context, the primary concern is the metabolic imbalance caused by excessive vomiting, leading to alkalosis rather than acidosis, hyperkalemia, or hypernatremia.
2. The nurse is admitting a newborn with hypospadias to the nursery. The nurse expects which finding in this newborn?
- A. Absence of a urethral opening is noted
- B. Penis appears shorter than usual for age
- C. The urethral opening is along the dorsal surface of the penis
- D. The urethral opening is along the ventral surface of the penis
Correct answer: D
Rationale: In hypospadias, the urethral opening is located along the ventral surface of the penis. This congenital condition results in the urethral meatus opening on the underside of the penis, rather than at the tip. Choice A is incorrect as there is typically a urethral opening present, though in an abnormal location. Choice B is not a characteristic feature of hypospadias. Choice C is incorrect as the urethral opening in hypospadias is not along the dorsal surface but rather along the ventral surface of the penis.
3. At 0345, you receive a call for a woman in labor. Upon arriving at the scene, you are greeted by a very anxious man who tells you that his wife is having her baby 'now.' This man escorts you into the living room where a 25-year-old woman is lying on the couch in obvious pain. After determining that delivery is not imminent, you begin transport. While en route, the mother tells you that she feels the urge to push. You assess her and see the top of the baby's head bulging from the vagina. What is your most appropriate first action?
- A. Allow the head to deliver and check for the location of the cord.
- B. Advise your partner to stop the ambulance and assist with the delivery.
- C. Tell the mother to take short, quick breaths until you arrive at the hospital.
- D. Prepare the mother for an emergency delivery and open the obstetrics kit.
Correct answer: B
Rationale: In this scenario, the most appropriate first action is to advise your partner to stop the ambulance and assist with the delivery. When the baby's head is visible and delivery is imminent, it is crucial to provide immediate assistance to ensure the safety of both the mother and the baby. Allowing the head to deliver and checking for the location of the cord (Choice A) may delay necessary actions during an imminent delivery. Instructing the mother to take short, quick breaths (Choice C) is not suitable as active delivery is already in progress. Preparing the mother for an emergency delivery and opening the obstetrics kit (Choice D) is not the most immediate action needed when the baby's head is already visible and delivery is imminent.
4. A nurse is inspecting the skin of a child with atopic dermatitis. What would the nurse expect to observe?
- A. Erythematous papulovesicular rash
- B. Dry, red, scaly rash with lichenification
- C. Pustular vesicles with honey-colored exudates
- D. Hypopigmented oval scaly lesions
Correct answer: B
Rationale: In atopic dermatitis, the nurse would expect to observe a dry, red, scaly rash with lichenification. Lichenification is thickened skin due to chronic scratching. Choices A, C, and D are incorrect. Erythematous papulovesicular rash is more characteristic of contact dermatitis, pustular vesicles with honey-colored exudates are seen in impetigo, and hypopigmented oval scaly lesions are typical of pityriasis alba.
5. Why should the nurse closely monitor the IV flow rate for a 5-month-old infant with severe diarrhea receiving IV fluids?
- A. Limiting output
- B. Replacing lost fluids
- C. Avoiding IV infiltration
- D. Preventing cardiac overload
Correct answer: D
Rationale: The correct answer is D: Preventing cardiac overload. Infants are highly vulnerable to fluid overload, making it essential to carefully monitor IV flow rates to prevent complications such as cardiac overload. Rapid administration of IV fluids can lead to an excessive increase in circulating volume, potentially causing cardiac strain or heart failure in infants. Choices A, B, and C are incorrect. Monitoring the IV flow rate is not primarily aimed at limiting output, replacing lost fluids, or avoiding IV infiltration in this scenario. The key concern is to prevent the risk of cardiac overload due to the infant's susceptibility to fluid imbalances.
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