which laboratory test would be most important for the nurse to assess when caring for a toddler suspected of having cystic fibrosis
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Nursing Elites

ATI RN

Nursing Care of Children Final ATI

1. Which laboratory test would be most important for the nurse to assess when caring for a toddler suspected of having cystic fibrosis?

Correct answer: C

Rationale: The sweat chloride test is the primary diagnostic test for cystic fibrosis. Cystic fibrosis is characterized by abnormal transport of chloride and sodium across epithelial cell membranes, leading to increased chloride in sweat. This test is crucial for diagnosing cystic fibrosis in suspected cases. Liver enzymes (Choice A), serum calcium (Choice B), and urine creatinine (Choice D) are not specific tests for cystic fibrosis and would not provide the necessary information for diagnosis in this case.

2. What type of shock is characterized by a hypersensitivity reaction causing massive vasodilation and capillary leaks, which may occur with drug or latex allergy?

Correct answer: D

Rationale: Anaphylactic shock is a severe allergic reaction that causes massive vasodilation and increased capillary permeability, leading to rapid fluid shifts and circulatory collapse if not treated promptly. Neurogenic, cardiogenic, and hypovolemic shocks have different etiologies.

3. The nurse is assessing a child suspected of having pinworms. Which is the most common symptom the nurse expects to assess?

Correct answer: D

Rationale: Intense perianal itching is the most common symptom of pinworm infection, especially at night when the female worms lay their eggs

4. The nurse is assisting a child with celiac disease to select foods from a menu. What foods should the nurse suggest?

Correct answer: C

Rationale: The correct answer is C: Corn on the cob with butter. Corn is a gluten-free option suitable for children with celiac disease. Choice A is incorrect because the bun contains gluten, so suggesting a hamburger patty without the bun is a better option. Choice B is not ideal as spaghetti often contains gluten, but spaghetti with marinara sauce could be a safer choice if the spaghetti is gluten-free. Choice D, rice cakes with hummus, is a gluten-free alternative, but corn on the cob is a more straightforward and common choice for children.

5. What measure of fluid balance status is most useful in a child with acute glomerulonephritis?

Correct answer: B

Rationale: Daily weight is the most accurate measure of fluid balance in children with acute glomerulonephritis, as it reflects changes in body fluid status more reliably than other measures like proteinuria or specific gravity.

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