Page 635 - Clinical Immunology_ Principles and Practice ( PDFDrive )

CHaPtEr 43 Allergic Reactions to Stinging and Biting Insects 610.e1

MUL t IPLE-CHOICE QUES t IONS

1. Which factor has NO influence on the severity of an allergic A. Api m 1
reaction as a result of a Hymenoptera sting? B. Api m 2
A. Elevated basal tryptase C. Api m 4
B. Treatment with β-blockers D. Api m 6
C. Two yellow jacket stings within 3 weeks E. Api m 10
D. Atopy 4. Concerning the duration of VIT with Hymenoptera venoms,
E. Previous repeated severe allergic sting reactions
which statement is correct?
2. The average amount of venom released by a single bee sting A. Once the maintenance dose of 100 µg can be given without
is approximately: any side effect, VIT can be discontinued.
A. 0.5 µg B. The recommended duration of VIT is 3–5 years.
B. 5 µg C. Most patients will need a lifelong VIT.
C. 50 µg D. Once the patient on VIT has tolerated a sting of the relevant
D. 0.5 mg insect, VIT can be stopped.
E. 0.5 g E. The duration of VIT—analogue to pollen immunotherapy—
is maximally 3 years.
3. Which important bee allergens are missing or found only in
small concentrations in some therapeutic products used for
venom immunotherapy (VIT)?