Immune Hypersensitivities: Images (Buxton) Flashcards Preview

CMBM Exam 4 CL > Immune Hypersensitivities: Images (Buxton) > Flashcards

Flashcards in Immune Hypersensitivities: Images (Buxton) Deck (18):
1

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EM Mast Cells

Left: IgE-coated resting mast cell

Right: antigen-activated mast cell

2

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Stained Mast Cells

Left: IgE-coated resting mast cell

Right: antigen-activated mast cell

3

In the bottom left image, what is in the middle?

What are the dark purple areas?

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Chronic Allergic Inflammation in Asthma

Mucous

Dead cells due to eosinophilic infiltration

4

What is this and which type of immune sensitivity is this?

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Skin pricking test for identifying specific allergens

Type I

5

What is this image showing and what type of immune sensitivity does it refer to?

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Skin Testing

Positive results should result in wheal & flair.

Wheal - localized edema; flair - erythema

Type I

6

Describe this image and identify the immune sensitivity type.

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Newborn with jaundice due to hemolytic anemia from Rh incompatibility.

Type II 

7

Describe this image and identify the immune sensitivity type.

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Pemphigus vulgaris

Type II

8

Identify tissue samples on both the left and right. 

What is happening on the right?

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Left: normal tissue

Right: Pemphigus vulgaris

Big gap between basal and subepithelial layers of the epithelium

9

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Allergic contact dermatitis - edema & mononuclear infiltrate

Type IV hypersensitivity

 

 

10

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Allergic contact dermatitis - nickel allergy

Type IV

11

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Allergic contact dermatitis - poison ivy

Type IV

12

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IC deposits in joints and skin

Type III

13

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Lung granuloma in sarcoidosis

Type IV

14

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Normal synovial membrane

15

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Positive TB test

Type IV

16

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Rheumatoid arthritis

Type IV

 

17

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Rheumatoid synovial membrane

Type IV

 

18

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Synovial membrane of patient with advanced Rheumatoid Arthritis

Type IV