Final 20 Flashcards

1
Q

Type 1 rapid hypersensitivity

A
Atopic allergy. 
Most common 
IeG antibody class 
Anaphylaxis 
Allergic asthma
Allergies to specific antigens
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2
Q

Type 2: cytotoxic

A

Reaction of IgAntibody made by immune system

Directed against one or more of individuals own proteins

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3
Q

Allergic rhinitis

A
Hay fever 
Airborne allergens 
Plant 
Mild
Dust
Animal
Wool
Food
Pollution
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4
Q

First exposure to allergen

A

IeG binds to surface of basophils and mast cells
These cells have vasoactive amines (histamines)
Once this happens, person is sensitized to that allergen

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5
Q

Elevated lymphocytes

A

Viral

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6
Q

Elevated neutrophils

A

Bacterial

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7
Q

Eosinophils

A

1-2%

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8
Q

Patch test

A

Reserved for contact dermatitis

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9
Q

Food diary

A

If skin testing is not conclusive, then do a food diary

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10
Q

IgE

A

<100

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11
Q

Decongestants

A

Cause vasoconstriction of inflamed tissue, reducing EDEMA
No glaucoma
No urinary retention
No hypertension

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12
Q

Decongestant example

A

Sudafed

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13
Q

Antihistamine

A

Block histamine from binding to receptor

Prevents vasodilation and capillary leak

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14
Q

Antihistamine examples

A

Benadryl
Claritin
Zyrtec
Allegra

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15
Q

Corticosteroids

A

Decrease inflammation

Prevent synthesis of mediators

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16
Q

Mast cell stabilizing drugs

A

Prevent mast cell from opening when an alllergen binds to IgE

Nasalcrom

17
Q

Leukotriene anatagonist

A

Manage and prevent rhinitis

Singular

18
Q

Desensitization therapy

A

Allergy shots

Cannot be avoided

19
Q

Penicillin allergy

A

Cephalosporin allergy?

20
Q

Banana or avocado allergy

A

Latex allergy?

21
Q

Examples of type 2

A
Immune hemolytic Anemia
Immune thrombocytopenia outputs
Hemolytic transfusion reaction 
Goodpastures syndrome 
Drug induced hemolytic anemia
22
Q

Plasmapheresis

A

Filtration of the plasma to remove specific substances

23
Q

Type 3 immune complex reactions

A

Formation of large and small immune complexes
Lupus
RA

24
Q

Circulating complexes usually lodge in

A

Kidneys
Skin
Joints
Small blood vessels

25
RA
``` Type 3 Immunicomplexes lodge in joint spaces Scarring Fibrous changes Tissue destruction ```
26
Lupus
Immune complexes lodge in vessels causing vasculitis Glomeruli Arthritis
27
Type 4
Sensitized T cell from previous exposure Release chemical mediators and macrophages Hours to days
28
Type 4 example
``` TB test Poison ivy Contact dermatitis Tissue transplant rejections Sarcoidosis ```
29
Lupus clinical manifestations
``` Butterfly rash Polyarthritis Osteonectrosis Muscle atrophy Fever fatigue Renal Pleural effusion Pericarditis Raynaud's phenomenon Abdominal pain Neurological manifestation ```
30
SLE
Chronic progressive inflammatory connective tissue disorder- major organ failure Exacerbation
31
SLE patho
Complexes invade organs directly or cause vasculitis, cutting off O2 supply -----kidneys------
32
DLE
Affects skin only
33
SLE PLaquenil
Decreased absorption of UV light. Skin lesions Frequent eye exams
34
SLE chronic steroid treatment
Methotrexate | Azathioprine
35
SLE first drug approved in 60 years
Belimumab (benlysta)