A nurse is assessing a 28-year-old patient who has been experiencing recurrent infections over the past 6 months. Which assessment finding would be most indicative of a primary immunodeficiency disorder?

• 1 Presence of enlarged lymph nodes and spleen bilaterally
• 2 History of recent antibiotic use for pneumonia treatment
• 3 Elevated white blood cell count with left shift noted
• 4 Recurrent severe infections with opportunistic organisms since childhood ✓ 정답

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