A 14yearold presents with acute onset of urticaria

ATI RN

ATI RN Test Bank

A 14-year-old presents with acute onset of urticaria that has gradually worsened over the past 10 days... Which diagnostic option is recommended?

A. Systematic elimination diets to determine a possible ingestant cause B. Allergy skin testing C. Serum IgE and RAST D. None of the above

Correct Answer: D

Rationale: For acute urticaria without a clear cause, no specific diagnostic testing is typically recommended initially.

Majority of innocent murmur timing?

A. Diastolic B. Continuous C. Pan-systolic D. Ejection systolic

Correct Answer: D

Rationale: Innocent murmurs are typically ejection systolic, occurring during ventricular contraction and are usually benign.

Which of the following causes hyperkalemia with K+ excess?

A. Tumor lysis syndrome B. Metabolic acidosis C. Addison's disease D. Rhabdomyolysis

Correct Answer: A

Rationale: Tumor lysis syndrome releases large amounts of potassium due to rapid cell breakdown, leading to hyperkalemia.

The following are predisposing factors for persistent pulmonary hypertension of the newborn (PPHN) EXCEPT

A. anemia B. meconium aspiration syndrome C. early-onset sepsis D. birth asphyxia

Correct Answer: A

Rationale: Anemia is not a predisposing factor for PPHN. The other conditions are known risk factors for PPHN.

Older children with chronic atopic dermatitis have lichenification and a tendency to be localized to

A. flexural folds of the extremities B. forehead C. scalp D. diaper area

Correct Answer: A

Rationale: Lichenification due to chronic scratching commonly appears in the flexural areas.

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