allergies

Question 1

what are the 3 different categories of food allergies?

Answer 1

1. IgE mediated
2. mixed IgE and non-IgE mediated (other immunoglobins)
3. cell-mediated (NO immunoglobins)

Question 2

a type I hypersensitivity causes what severe symptom? how about other symptoms?

Answer 2

anaphylaxis

-also: hives, abd discomfort, itching

Question 3

why does anaphylaxis occur?

Answer 3

antigen is carried in systemic circulation–> systemic mediator release (IgE)

Question 4

what are 3 symptoms parents should watch out for if their child is entering anaphylaxis?

Answer 4

drop in BP (i.e., fainting), circulatory collapse, respiratory distress

Question 5

t/f: food allergies are more common in infants than young children

Answer 5

true`

Question 6

______% of food allergies are caused by the “big 8”

Answer 6

90%

Question 7

t/f: food allergies often display cross-reactivity

Answer 7

true

Question 8

what are the “big 8” and which are rarely outgrown? (*ed)

Answer 8

peanuts*
tree nuts*
fish*
shellfish*
soy
milk
egg
wheat

Question 9

development of an allergy after _______(age) is a great risk factor for maintaining that allergy for life

Answer 9

3 years

Question 10

if a child has a latex allergy, what are the most common foods to watch out for a cross-reaction allergy in?

Answer 10

avocado, bananas, chestnuts, and kiwis

Question 11

what are a few food items that often cause intolerances? (3)

Answer 11

additives (flavor enhancers, preservatives, MSG, sulfites)
toxins or microbial contaminants
CHOs (lactose, fruit juice)

Question 12

t/f: mothers should avoid the big 8 during pregnancy and lactation to prevent their infant developing a food allergy

Answer 12

false! no need to restrict diet

Question 13

infants should be exclusively BF for ____-_____ months

Answer 13

4-6

Question 14

_______ formula is not recommended for infants at risk of allergy, but _______ formulas may have some value

Answer 14

soy NOT recommended, but hydrolyzed formulas might benefit