Food Allergies Flashcards Preview

GI Exam 1 > Food Allergies > Flashcards

Flashcards in Food Allergies Deck (19):
1

What type of food allergies can occur?

Type 1 to Type 4 (all)

2

What 8 foods are responsible for the majority of food-allergic reactions?

Cow's milk
Eggs
Fish
Peanuts
Shellfish
Soy
Tree nuts
Wheat

3

What causes food intolerance?

Problem with digestive system

4

What causes food allergy?

Problem with immune system

5

What characterizes food intolerance?

Difficulty digesting food

6

What characterizes food allergies?

Immunologic reaction to a food

7

Symptoms of food intolerance:

Abdominal pain
Gas
Diarrhea

8

Symptoms of food allergies:

Severe life-threatening range of symptoms

9

What is Crohn disease?

Immune response to gut microorganisms leading to inflammation; increased risk of colorectal cancer

10

What is irritable bowel syndrome?

Chronic condition affecting muscle contractions of the colon; no intestinal inflammation does not cause change in bowel tissue; no increase risk of colorectal cancer

11

IgE-mediated food allergies are elicited by what?

Strong Th2 responses by certain food antigens

12

What is a mixture of Type I and Type IV hypersensitivity?

Allergic eosinophilic esophagitis/gastritis/gastroenteritis

13

What are T cell mediated Type IV hypersensitivities?

Food protein induced enterocolitis/proctocolitis/enteropathy

14

Food protein induced enterocolitis:

Acute vomiting/diarrhea
Infants days to 1 year old

15

Food protein induced proctocolitis:

Mild form of protein induced enterocolitis
Rectal bleeding
Infants days to 6 months

16

Food protein induced enteropathy:

Vomiting/diarrhea
Early in life 2-24 months old

17

Symptoms of celiac disease?

Chronic diarrhea
Bloating
Fatigue

18

How is celiac disease diagnosed?

Biopsy (second portion of duodenum or proximal jejunum)
Serologic testing for IgA antibodies specific for tTG

19

Pick up on slide

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