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Parasitology > Serology chap 2 > Flashcards

Serology chap 2 Flashcards

1
Q

Part
In sweat
Sebacous glands
Ph

A

Unbroken skin & mucosal membrane Lactic acid
Fatty acids
5.6

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2
Q

Induce turbulence
Contains antimicrobial substances
Trap particle
Part / system

A

Nasal hair
Nasa secretions
Mucous secretions
Respiratory system

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3
Q

Generally sterile due to low ph

A

Stomach

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4
Q

Contain few bacteria & as distal end of ileum is reached flora increases

A

Si

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5
Q

Enormous numbers of microorganisms

% of fecal dry weight

A

Colon

50-60

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6
Q

Bactericidal in male

A

Spermine & zinc

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7
Q

Gut commensals produce

A

Colicins

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8
Q

Movement through blood bessels

A

Diapedesis

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9
Q

Chemical messengers

A

Chemotaxins

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10
Q

Help make neutrophil sticky & enhance adherence

A

Selectins

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11
Q

Margilation

Extravisasion

A

Adherence

Diapedesis

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12
Q

Neutralize mast cell and basophil

A

Eosinophil

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13
Q

Induce and maintain hypersensitivity rxn

A

Basophil

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14
Q

Vasocative amine contracts smooth muscle

A

Histamine

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15
Q

Lack hydrolytic enzymes but peroxidase is oresent

A

Basohpil

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16
Q

Resmebles bashophil

A

Mast cells

17
Q

What type of macrophage is in steady state : detects presence of microbe
; growth & remodeling of organs

A

Resident macrophage

18
Q

What macrophage develop from circulatinng monocytes

A

Recruited

19
Q

Phagocytise ag & prensent it to helper T cell

A

Dendritic cell

20
Q

Produce receptors specific for diverse ag

A

Lympho

21
Q

Key mediator of adaptive immunity

A

Lymphocytes

22
Q

Express receptor but not perform function

A

Naive lympho

23
Q

Location of b lymph

A

Bone marrow

24
Q

Only cells produce Ab

A

B lympho

25
Q

Dislays cd4

A

Helper t cells

26
Q

Display cd8

A

Cytotoxic t cells

27
Q

Displays cd4+

A

Regulatory t cells

28
Q

Inhibits an immune response

A

Regulatory t c ells

29
Q

Important in suppressing autoreactive response

A

Regulatory t cells

Parasitology (4 decks)

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