ATI RN
Pediatric Nursing Certification Practice Questions Questions
Question 1 of 5
In treatment of hypernatremia, the maximum accepted rate of drop of serum sodium per 24 hours?
Correct Answer: B
Rationale: A safe correction rate for hypernatremia is ≤12 mmol/L per day to prevent cerebral edema due to rapid fluid shifts.
Question 2 of 5
In hereditary spherocytosis, one of the following is false:
Correct Answer: C
Rationale: Hereditary spherocytosis is typically autosomal dominant, not recessive, and is diagnosed via osmotic fragility testing.
Question 3 of 5
Hereditary methemoglobinemia is most commonly due to deficiency of which enzyme?
Correct Answer: A
Rationale: Cytochrome b5 reductase deficiency impairs the reduction of methemoglobin back to functional hemoglobin, causing methemoglobinemia.
Question 4 of 5
All the following are features of in vivo skin testing for allergen-specific IgE EXCEPT
Correct Answer: D
Rationale: Antihistamines can suppress skin test results by blocking histamine release, reducing the test's effectiveness.
Question 5 of 5
Systemic allergic responses to insects are attributed to IgE antibody response caused primarily by
Correct Answer: C
Rationale: Hymenoptera (bees, wasps, hornets, and ants) are the most common cause of systemic allergic reactions due to venom-induced IgE-mediated hypersensitivity, which can lead to severe anaphylaxis.