Practicals 5 - Allergy Lecture

Question 1

food allergy can occur in what % of under 1 year olds

Answer 1

10%

Question 2

food allergy can occur in what % of under 5 year olds

Answer 2

4-8%

Question 3

IgE mediated food allergy is a ….

Answer 3

immune mediated quick response (within 1 hour of ingestion of food)

Question 4

IgE medicated food allergy can occur

Answer 4

in childhood and adulthood

Question 5

what are the signs of IgE mediated food allergy

Answer 5

Hives

swelling

breathing difficulty

vomiting

floppy / pale

Question 6

IgE mediated response is associated with

Answer 6

anaphylaxis

Question 7

what are common allergy foods

Answer 7

peanut, tree nuts, milk, egg, wheat, soy, fish, seafood, sesame

Question 8

what food allergies are rising in New Zealand

Answer 8

kiwifruit and coconut

Question 9

what is needed for diagnosis of IgE mediated response

Answer 9

clinical symptoms and positive SPT or serum IgE antibody tests

Question 10

what is the skin prick test

Answer 10

a way to test for an allergy

• drop of food in liquid form on a scratch, practitioner will measure the size of the weal of the reaction

Question 11

where will a prick test be performed on a baby

Answer 11

their back

Question 12

non IgE mediated allergy usually occur when

Answer 12

within the first year of life and usually resolve in early childhood

Question 13

non IgE mediated allergy, involves the immune system but is

Answer 13

a delayed reaction (2hrs - 48hrs)

Question 14

non IgE mediated food allergy usually involves

Answer 14

usually involves the gastrointestinal system, such as blood / mucus in stools, reflux, diarrhoea/constipation, excessive crying/abdominal pain

Question 15

what is needed for non IgE mediated food allergy

Answer 15

clinical symptoms and a negative SPT/serum IgE testing

Question 16

what is said when introducing allergen foods

Answer 16

from 6 months and before 12 months of age, introduce all allergen foods into the infants diet, and offer regularly once introduced

Question 17

what was found about the avoidance of peanuts in infants

Answer 17

increased risk of peanut allergy

Question 18

food intolerance is more common in

Answer 18

older children and adults

Question 19

food intolerance is a

Answer 19

delayed reaction after ingestion of a large amount of the food

Question 20

most common food intolerances

Answer 20

lactose and fructose intolerance, other FODMAP foods

Question 21

food intolerances cause

Answer 21

abdominal pain, diarrhoea/constipation, bloating and gas

Question 22

food intolerances can be related to

Answer 22

to reduction in digestive enzymes e.g lactase