Immune Hypersensitivities: Images (Buxton) Flashcards Preview

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

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

EM Mast Cells

Left: IgE-coated resting mast cell

Right: antigen-activated mast cell

2

 

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?

Chronic Allergic Inflammation in Asthma

Mucous

Dead cells due to eosinophilic infiltration

4

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

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?

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.

 

Newborn with jaundice due to hemolytic anemia from Rh incompatibility.

Type II 

7

Describe this image and identify the immune sensitivity type.

Pemphigus vulgaris

Type II

8

Identify tissue samples on both the left and right. 

What is happening on the right?

 

Left: normal tissue

Right: Pemphigus vulgaris

Big gap between basal and subepithelial layers of the epithelium

9

Allergic contact dermatitis - edema & mononuclear infiltrate

Type IV hypersensitivity

 

 

10

 

Allergic contact dermatitis - nickel allergy

Type IV

11

Allergic contact dermatitis - poison ivy

Type IV

12

 

IC deposits in joints and skin

Type III

13

 

Lung granuloma in sarcoidosis

Type IV

14

 

Normal synovial membrane

15

Positive TB test

Type IV

16

 

Rheumatoid arthritis

Type IV

 

17

Rheumatoid synovial membrane

Type IV

 

18

Synovial membrane of patient with advanced Rheumatoid Arthritis

Type IV