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Histology > Lymphatic System Part II > Flashcards

Lymphatic System Part II Flashcards

1
Q

Molecule that is recognized by cells of adaptive immune system

A

ANTIGENS

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2
Q

elicits a response from these cells

A

ANTIGENS

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3
Q

Soluble molecules (proteins or polysaccharides)

A

ANTIGENS

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4
Q

Proteins from the intact cell (bacteria, protozoa, or tumor cells)

A

ANTIGENS

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5
Q

small molecular domains of the antigen

A

ANTIGENIC DETERMINANTS / EPIPTODES

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6
Q

IMMUNE RESPONSE TO ANTIGENS:

A

a. Cellular
b. Humoral
c. both

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7
Q

IMMUNE RESPONSE TO ANTIGENS:

in which lymphocytes are primarily in charge of eliminating the antigen.

A

Cellular

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8
Q

IMMUNE RESPONSE TO ANTIGENS:

in which antibodies are primarily responsible for the response

A

Humoral

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9
Q

a glycoprotein of the immunoglobulin family

A

ANTIBODIES

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10
Q

interacts specifically with an antigenic determinant

A

ANTIBODIES

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11
Q

isolated carboxyl-terminal portion of the heavy-chain molecules

A

FC REGION

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12
Q

CLASSES OF ANTIBODIES:

A

I. IgG ANTIBODY
II. IgA ANTIBODY
III. IgM ANTIBODY
IV. IgE ANTIBODY
V. IgD ANTIBODY

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13
Q

CLASSES OF ANTIBODIES:

Most abundant 75-85% in blood

A

IgG ANTIBODY

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14
Q

CLASSES OF ANTIBODIES:

Increased during infections

A

IgG ANTIBODY

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15
Q

CLASSES OF ANTIBODIES:

Highly soluble and stable (half-life> 3 weeks)

A

IgG ANTIBODY

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16
Q

CLASSES OF ANTIBODIES:

Crosses placental barrier into the fetal circulation

A

IgG ANTIBODY

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17
Q

CLASSES OF ANTIBODIES:

PASSIVE immunity against certain infections until the newborn’s own adaptive immunity is acquired

A

IgG ANTIBODY

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18
Q

CLASSES OF ANTIBODIES:

Present in almost all exocrine secretions

A

IgA ANTIBODY

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19
Q

CLASSES OF ANTIBODIES:

Dimeric form

A

IgA ANTIBODY

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20
Q

CLASSES OF ANTIBODIES:

Heavy chains of two monomer are united by polypeptide J chain.

A

IgA ANTIBODY

21
Q

CLASSES OF ANTIBODIES:

Produced by plasma cells in mucosae of the digestive, respiratory, and reproductive tracts

A

IgA ANTIBODY

22
Q

CLASSES OF ANTIBODIES:

Secretory component – protects the antibody from proteolysis

A

IgA ANTIBODY

23
Q

CLASSES OF ANTIBODIES:

5-10%

A

IgM ANTIBODY

24
Q

CLASSES OF ANTIBODIES:

Pentameric form united by J chain

A

IgM ANTIBODY

25
Q

CLASSES OF ANTIBODIES:

Produced in an initial response to an antigen

A

IgM ANTIBODY

26
Q

CLASSES OF ANTIBODIES:

Most effective antibody class in activating complement system

A

IgM ANTIBODY

27
Q

CLASSES OF ANTIBODIES:

less abundant in circulation

A

IgE ANTIBODY

28
Q

CLASSES OF ANTIBODIES:

Found on the surface of the mast cells and basophils

A

IgE ANTIBODY

29
Q

CLASSES OF ANTIBODIES:

Found on the surface of the mast cells and basophils

A

IgE ANTIBODY

30
Q

CLASSES OF ANTIBODIES:

Triggers the release of histamine, heparin, and leukotrienes

A

IgE ANTIBODY

31
Q

CLASSES OF ANTIBODIES:

Allergic reaction (allergens)

A

Allergic reaction (allergens)

32
Q

CLASSES OF ANTIBODIES:

least abundant in plasma

A

IgD ANTIBODY

33
Q

CLASSES OF ANTIBODIES:

least understood class of antibody

A

IgD ANTIBODY

34
Q

CLASSES OF ANTIBODIES:

bound to the surface of B lymphocytes

A

IgD ANTIBODY

35
Q

CLASSES OF ANTIBODIES:

act as antigen receptors in triggering B-cell activation.

A

IgD ANTIBODY

36
Q

Antigen-binding sites of IgG and IgA antibodies are able to:

A

bind specifically
neutralize certain viral particles and bacterial toxins
agglutinate many bacterial cells
precipitate most soluble antigens

37
Q

precipitate most soluble antigens

A

Complement protein

38
Q

Will be activated through a cascade of enzymatic reactions

A

COMPLEMENT ACTIVATION

39
Q

specific complement components bind and rupture membranes of invading cell

A

After Complement Activation

40
Q

Clump antigen-bearing bacteria or cells

A

After complement activation

41
Q

Elicit arrival of relevant leukocytes

A

After complement activation

42
Q

Refers to the ability of receptors on macrophages, neutrophils, and eosinophils to recognize and bind the Fc portions of antibodies attached to surface antigens of microorganisms

A

OPSONIZATION

43
Q

Antibodies bound to antigens on virus-infected cells of the body are recognized by the primitive lymphocytes called ___

A

NK cells

44
Q

NK cells activation is Activated to kill the infected cell by releasing

A

perforin and various granzymes

45
Q

CELLS OF ADAPTIVE IMMUNITY

A

ANTIGEN-PRESENTING CELLS
LYMPHOCYTES
T LYMPHOCYTES
B LYMPHOCYTES

46
Q

Active endocytotic systems

A

ANTIGEN-PRESENTING CELLS

47
Q

Mediate the cellular immune response by processing and present the antigens for recognition by certain lymphocytes

A

ANTIGEN-PRESENTING CELLS

48
Q

ANTIGEN-PRESENTING CELLS:

A

ANTIGEN-PRESENTING CELLS

Histology (37 decks)

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