BB Intro Flashcards

1
Q

First line of Defense Immunity

A

Innate or Natural Immunity

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2
Q

Major players in Innate or Natural Immunity

A

Macrophages, Leukocytes, NK cells, complement alt pathway, cytokines

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3
Q

Acquired or Adaptive immunity major players

A

Lymphocytes (T & B cells), macrophages, antibodies, complement classic pathway

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4
Q

Cells responsable for production of antibodies

A

Activated B cells —> Plasma Cells

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5
Q

First antibody class produced by plasma cells

A

IgM. T cell stimulation can turn it to IgG

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6
Q

Most immunogenic blood group system

A

ABO (only major BGS)

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7
Q

Most immunogenic antigen outside of ABO and immunogenicity %

A

D , 50%

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8
Q

What percentage of proteins in the body are antibodies?

A

20%

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9
Q

Name the 5 different Immunoglobulin classes

A

IgA, IgD, IgE, IgG, IgM

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10
Q

Amino terminal regions in antibody structure

A

Fab

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11
Q

Carboxyl region of antibody structure

A

Fc

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12
Q

Fragment in antibody structure responsable for complement fixation

A

Fc region (carboxyl terminal/constant region)

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13
Q

Where does complement bing on IgG molecule? (CH?)

A

CH2

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14
Q

Where does macrophage bind on an IgG molecule? Ch?

A

CH3

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15
Q

IgG classes that are most likely to be clinically significant and why

A

IgG 1 and 3. Because they bind complement the best.

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16
Q

Which Ig type can cause immediate hypersensitivity?

A

IgE (allergic reactions)

17
Q

What is T cell deficiency called

A

DiGeorge syndrome

18
Q

What cell is missing in Burton’s Agammaglobulinemia?

A

Absence of mature B cells

19
Q

First response antibody timing and type

A

3-21 days. IgM (then it turns into IgG)

20
Q

Secondary response antibody timing and type

A

Also called anemnestic response. Faster IgG on second exposure. Curve goes up faster and a lot higher

21
Q

Portion of the complement cascade that binds to heavy chain

A

C1q binds to CH2 (complement attachment site)

22
Q

Complement pathway members that cause anaphylaxis

A

C4a , C3a , C5a ( the ones ending in a)

23
Q

Complement pathway members that form MAC

A

C5b C6 C7 C8 C9 form membrane attack complex MAC

24
Q

Probability of finding units formula

A

Number of units divided by the product of the negative frequencies (x100). Always round up

25
Q

Type of inheritance for Lu (ab)

A

Autosomal recessive

26
Q

Type of inheritance for Xga

A

Sex linked dominant

27
Q

Mitosis results and where it occurs

A

Two identical daughter cells. Occurs all over the body

28
Q

Meiosis results and where it occurs

A

Four half cells. Occurs in testes and ovaries

29
Q

Amorph

A

Allele does not code for protein

30
Q

Hemizygous

A

One allele is inherited and one is blank

31
Q

Cis allele location

A

Two alleles are on the same chromatid

32
Q

Trans allele location

A

Two alleles are on opposite chromatids