An anxious mother reports symptoms that according to her and a parents' website require immunological diagnostics. She asks you to clarify which of the following could indicate primary immunodeficiency in her 1-year-old son: 1) three upper respiratory tract viral infections;
2) otitis media;
3) pneumonia;
4) recurrent oral aphthae;
5) persistent cradle cap;
6) lack of weight gain and the inhibition of normal development.
The correct answer is:
- Aall the above.
- B1,2,3
- C2,3,6.
- D2,3.
- Eonly 6.