Question 62 · LEK · Cross-cutting topics
Apart from careful history taking, skin prick tests (SPT) are a crucial diagnostic tool in allergology. Indicate the true statements concerning SPT in children:
1) SPT is not recommended in children younger than 3 years;
2) in the case of allergy to airborne allergens, the result of SPT in children strongly correlates with the clinical symptoms of the disease;
3) SPT indicate the presence of allergen-specific IgE on skin mast cells;
4) when IgE-mediated food allergy (e.g. to vegetables or fruit) is suspected, SPT with a native allergen may be performed;
5) size of erythema to specific allergen is important for the interpretation of SPT results.
The correct answer is:
2) in the case of allergy to airborne allergens, the result of SPT in children strongly correlates with the clinical symptoms of the disease;
3) SPT indicate the presence of allergen-specific IgE on skin mast cells;
4) when IgE-mediated food allergy (e.g. to vegetables or fruit) is suspected, SPT with a native allergen may be performed;
5) size of erythema to specific allergen is important for the interpretation of SPT results.
The correct answer is:
- A. 1,2,3.
- B. 3,4.
- C. 1,2,3,5.
- D. 2,3,4.
- E. all the above.
Hint
Consider which part of the skin reaction is measured, whether age limits the test, and the difference between sensitization and clinical allergy.
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