Oligoarthritis predominantly affects the joints of the lower extremities rather than upper extremity joints. Which of the following joints is never a presenting sign of oligoarthritis?

Correct Answer: D

Rationale: Interphalangeal joints are rarely affected in oligoarticular JIA.

Correct Answer: C

Rationale: Male gender, rather than female, is a known risk factor for asthma morbidity and mortality, particularly in childhood.

Correct Answer: C

Rationale: Congenital pneumonia with sepsis is likely given the low WBC count, prematurity, and need for ventilation

Correct Answer: C

Rationale: Brain damage from drowning typically begins after 4-6 minutes of submersion, with significant damage occurring by 30 minutes due to anoxic injury and cerebral hypoxia.

Correct Answer: D

Rationale: A pH of 7.48 indicates alkalosis, and since HCO3 is elevated, it suggests metabolic alkalosis without respiratory compensation.