Allergy

Question 1

Child is brought to the ER with anaphylaxis. First step in management is providing epinephrine by which route?

1. Subcutaneous in the abdomen
2. Intramuscular
3. Subcutaneous in the thigh
4. Intravenous

Answer 1

2. Intramuscular

Question 2

Which of the following statements about anaphylaxis is correct?

1. IV epinephrine would be the preferred medication
2. Diphenhydramine can be given IV, IM or PO
3. Salbutamol and budesonide should be administered
4. Hydrocortisone does not prevent the late onset effects

Answer 2

2. Diphenhydramine can be given IV, IM or PO

Question 3

Which is true regarding serum specific IgE?

1. More sensitive than skin testing
2. Affected by corticosteroids
3. Affected by antihistamines
4. False positive in patients with elevated total IgE

Answer 3

4. False positive in patients with elevated total IgE

Question 4

Which condition can be treated with immunotherapy?

1. Food allergy
2. Venom allergy
3. Penicillin allergy
4. Urticaria

Answer 4

2. Venom allergy

Question 5

What is cross reactivity between penicillin and cephalosporins?

1. 2%
2. 5%
3. 7%
4. 10%

Answer 5

1. 2%

Question 6

Patient with egg allergy requires influenza vaccine. Most appropriate management?

1. Allergy referral for skin testing
2. Give vaccine in split dose (10% of dose followed by 90% if there is no reaction)
3. Give full dose
4. Do not recommend the vaccination

Answer 6

3. Give full dose

Question 7

14 year old with urticaria for 8 weeks. What is the best treatment for chronic urticaria?

1. Oral second generation antihistamine
2. Epinephrine
3. Oral steroids
4. IV antihistamines

Answer 7

1. Oral second generation antihistamine

Question 8

12 year old with recurrent episodes of facial swelling. No associated urticaria. Father also has angioedema. What is the most likely condition?

1. Chronic urticaria
2. Hereditary angioedema
3. Cow’s milk protein allergy
4. Latex allergy

Answer 8

2. Hereditary angioedema

Question 9

What is the best therapy for allergic rhinitis?

1. Avoidance of allergen
2. Intranasal corticosteroid
3. Oral antihistamines
4. Oral corticosteroids

Answer 9

2. Intranasal corticosteroid

Question 10

Teenager has tingling / pruritus in her mouth when she eats apples and peaches. What is the best test to confirm the diagnosis?

1. Skin prick to apples and peaches using commercial extract
2. Serum specific IgE to apples and peaches
3. Oral food challenge
4. Skin test to birch pollen

Answer 10

4. Skin test to birch pollen