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Medical Block > Allergies/ Anaphylaxis > Flashcards

Allergies/ Anaphylaxis Flashcards

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USMLE® Step 1 flashcards
1
Q

Diapadesis

A

“oozing through”

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2
Q

Phagocytes

A

“phago” = eating

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3
Q

Macrophages

A

big eaters, white blood cells

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4
Q

Natural killer cells

A

binds to foreign cell and secrets enzyme

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5
Q

Antigen

A

Antibody generator

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6
Q

Antibody’s

A

Tag bad cells for phagocytes

  • Purpose is to counteract effects of an antigen by binding and removing
  • Body must have been previously exposed
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7
Q

B cells

A

Bone marrow produced

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8
Q

T cells

A

Thymus produced

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9
Q

Helper T’s

A

Call the shots

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10
Q

Memory T cells

A

Future immunity

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11
Q

Worst means of aquiring an allergic reaction is…

A

Injection (bee sting, penecilin injection)

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12
Q

Deaths from anaphylaxis per year

A

400-800 people die per year

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13
Q

Allergen

A

Substance that induces hypersensitivity

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14
Q

Allergy

A

exaggerated immune response

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15
Q

Autoimmunity

A

immune response against own cells

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16
Q

Isoimmunity

A

Immune response directed against beneficial foreign tissues (ex: Lupus Disease)

17
Q

Immunoglobulin

A

Molecule produced to challenge a immunogen

18
Q

Immunoglobulin seen in allergic reaction

A

IgE

19
Q

Process of allergic reaction

A

slide 14

20
Q

Mast cells

A

release histamines when the allergen is encountered

21
Q

Types of reactions

A

Local
Systemic
Anaphylaxis (systemic, cutaneous- tissue, skin… everything swells)

22
Q

First drug to be administered for anaphylaxis

A

Oxygen

23
Q

order for epi IV/IO allergic reaction

A

.1mg IV/IO 1:10,000 BHO

24
Q

What drugs cause extapyramidal reactions

A

Phenothiazines

25
Q

Phenothiazines

A 
Haldol - Psych
Mellaril - Maintenance
Navane
Stelazine
Compazine – Psych, N/V
Thorazine
Tigan –
Inapsine
Reglan - GI
Torecan
Emetecon
Prolixin
26
Q

Immunogen

A

Substance capable of immune response or producing immunity

27
Q

Allergy

A

Antibody-antigen response

Altered body reaction to an antigen

28
Q

Body’s defense system

A
  • Skin is acidic, inhospitable to most bacteria
  • If foreign substance enters body, the body tries to rid it through…cough, sloughing, vomiting, urinated
  • Next step in inflammatory response
  • Last line is immune response

Medical Block (20 decks)

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