36965840
Descripción
Test por suyog gurung, actualizado hace más de 1 año
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Creado por suyog gurung
hace casi 2 años
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Pregunta 1
Pregunta
Natural resistance (EP) is a non-specific, innate form of
protection:
Respuesta
-
Yes
-
No
Pregunta 2
Pregunta
The skin and mucous membranes have antimicrobial action:
Respuesta
-
True
-
Incorrect
Pregunta 3
Pregunta
The complement system is a cellular component of innate
immunity:
Respuesta
-
Yes
-
No
Pregunta 4
Pregunta
NK cells (natural killers) perform intracellular killing of microorganisms and tumor cells:
Respuesta
-
True
-
incorrect
Pregunta 5
Pregunta
Opsonization facilitates the phagocytosis of bacteria:
Respuesta
-
Yes
-
No
Pregunta 6
Pregunta
The functions of complement are related to:
Respuesta
-
Antibody-dependent cellular cytotoxicity (ADCC)
-
Lysis of cells, including bacterial
-
Participation in antigen processing and presentation
-
Opsonization by the C3b particle
-
All answers are correct
Pregunta 7
Pregunta
Where is the presence of lysozyme detected?
Respuesta
-
In sweat glands
-
In tears and saliva
-
In the skin
-
In the serum and in the mucous secretions of the mucous membranes
-
There is no correct answer
Pregunta 8
Pregunta
Which of the following molecules are acute phase proteins:
Respuesta
-
C-reactive protein (CRP)
-
Interferon-a
-
Lactoferrin
-
Endotoxin
-
Exotoxin
Pregunta 9
Pregunta
Which of the following cytokines are produced by mononuclear
phagocytes:
Respuesta
-
IL2 and IL4
-
IFN-gamma and IFN-beta
-
TNF-alpha, IL1 and IL6
-
All answers are correct
-
there is no correct answer
Pregunta 10
Pregunta
NK cells (natural killers) perform the following functions:
Respuesta
-
Activation of complement
-
ADCC
-
Synthesis of antibodies
-
Lysis of virus-infected cells
-
All answers are correct
Pregunta 11
Pregunta
Receptors for the Fc fragment of immunoglobulins have the following cells:
Respuesta
-
T-lymphocytes
-
Neutrophils
-
Macrophages
-
Dendritic cells
-
All listed
Pregunta 12
Pregunta
In the mucous secretions he most often finds:
Respuesta
-
IgG
-
IgA
-
IgE
-
IgM
-
IgD
Pregunta 13
Pregunta
The activation of the complement by the alternative route is carried out by:
Respuesta
-
Bacterial lipopolysaccharides and autoantibodies (eg C3-nephritic factor)
-
C-reactive protein (CRP) and other acute phase proteins
-
Antigen-antibody complexes
-
Peptidoglycan
-
All listed
Pregunta 14
Pregunta
Toll-like receptors (TLRs) are characterized by:
Respuesta
-
Are located on the surface of T and B lymphocytes
-
Are found on the surface of macrophages and dendritic cells
-
Are detected by binding to antibodies
-
Bind to PAMP (pathogen-associated molecular patterns) structures of bacteria and viruses
-
Activate complete
Pregunta 15
Pregunta
Typical of innate immunity is that:
Respuesta
-
Is an adaptive form of protection
-
Is inherited and has a non-specific effect
-
Has a memory
-
All answers are correct
-
There is no correct answer
Pregunta 16
Pregunta
How many ways are there to activate the complement system?
1. [blank_start]3[blank_end]
List them
1. [blank_start]Classical[blank_end]
2. [blank_start]Alternative[blank_end]
3. [blank_start]Lecithin[blank_end]
Respuesta
-
3
-
Classical
-
Alternative
-
Lecithin
Pregunta 17
Pregunta
The following cells are defined as "professional" phagocytes
performing effective phagocytosis:
1. [blank_start]Macrophages[blank_end]
2. [blank_start]Neutrophils[blank_end]
Respuesta
-
Macrophages
-
Neutrophils
Pregunta 18
Pregunta
Humoral factors of natural resistance include:
[blank_start]Complement[blank_end]
[blank_start]Lysozyme[blank_end]
[blank_start]Acute phase proteins[blank_end]
Respuesta
-
Complement
-
Lysozyme
-
Acute phase proteins
Pregunta 19
Pregunta
Cytokines are [blank_start]PHYSIOLOGICAL MEDIATORS[blank_end] that are synthesized
by [blank_start]LYMPHOCYTES[blank_end], [blank_start]FIBROBLASTS[blank_end].
Respuesta
-
PHYSIOLOGICAL MEDIATORS
-
LYMPHOCYTES
-
FIBROBLASTS
Pregunta 20
Pregunta
The main mechanisms for intracellular killing of bacteria in
phagocytosis are [blank_start]2[blank_end] - [blank_start]OXYGEN DEPENDENT[blank_end] , [blank_start]OXYGEN INDEPENDENT[blank_end]
Respuesta
-
2
-
OXYGEN DEPENDENT
-
OXYGEN INDEPENDENT
Pregunta 21
Pregunta
C3 particle cleavage?
Answer: [blank_start]Central reaction in the complement casca[blank_end][blank_start]de[blank_end]
Respuesta
-
Central reaction in the complement casca
-
de
Pregunta 22
Pregunta
C5a and C3a particles of complement?
Answer: [blank_start]Anaphylatoxins[blank_end]
Respuesta
-
Anaphylatoxins
Pregunta 23
Pregunta
Ostrophase cytokines?
Answer: [blank_start]IL1[blank_end] and [blank_start]IL6[blank_end]
Respuesta
-
IL1
-
IL6
Pregunta 24
Pregunta
Interferon-alpha and beta?
Answer: [blank_start]Have antiviral activity[blank_end]
Respuesta
-
Have antiviral activity
Pregunta 25
Pregunta
C5-9 complement fractions form?
Answer: [blank_start]Membrane attacking complexes[blank_end]
Respuesta
-
Membrane attacking complexes
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