Question 5 · LEK · Introduction

Which of the following clinical problems may indicate primary immunodeficiency?

1) six acute otitis media in a child 4 years of age during a year;
2) seven mild episodes of pharyngitis during a year in a 3-year-old child attending kindergarten;
3) purulent inflammation of the hip joint caused by Staphylococcus aureus in a 5-year-old child and extensive liver abscess of the same etiology at 9 years of age;
4) childhood tuberculosis in a mother, BCGitis in her son;
5) a 7-year-old unvaccinated against pneumococci boy underwent invasive pneumococcal disease; the boy had no problematic disease before and doesn’t have any other health problems;
6) occurrence of three episodes of pneumonia during a year in a 12-year-old healthy girl including last episode complicated with lung abscess and pleural empyema; she had to be hospitalized for all episodes.
The correct answer is:
  1. A. 1,3,4,6.
  2. B. 1,3,4,5,6.
  3. C. 3,4,5,6.
  4. D. 2,3,4,5.
  5. E. 1,3,5,6.
Hint

Separate recurrent, severe, deep or unusual infections from ordinary kindergarten infections and a single episode with an obvious explanation.

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