Test
The Adaptive Immune System
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Preguntas del test (35)
1What triggers the activation of the adaptive immune system?
- APathogen exposure
- BInflammation
- CAntibody production
- DPhagocytosis
2There are two components of the adaptive immune system. What are they called?
- ACellular immune system
- BHumoral immune system
- CAntigenic immune system
- DCytotoxic immune system
- EAcquired immune system
3What happens to the response of the immune system on each repeated exposure to a pathogen?
- AIt becomes faster
- BIt becomes more specific
- CIt causes more inflammation
- DIt becomes less efficient
- EIt involves more components of the immune system
4What cells are involved in humoral immunity?
- AB cells
- BT cells
- CNatural killer cells
- DPhagocytes
5What cells are involved in cellular immunity?
- AB cells
- BT cells
- CPhagocytes
- DNatural killer cells
6Which part of the adaptive immune system produced antibodies?
- AHumoral
- BCellular
- CBoth
7The adaptive immune system is able to remember pathogens in case they present again. True or false?
- AVerdadero
- BFalso
8Which cells express CD4?
- AT helper cells
- BT killer cells
- CT regulatory cells
- DPlasma B cells
9What is the function of T helper cells?
- AActivate macrophages
- BHelp B cells to produce antibodies
- CRemember the pathogen in case of repeat infection
- DProduce antibodies
- EActivate natural killer cells
10Why do we need T regulatory cells?
- ATo control the immune response
- BTo ensure the immune response is specific
- CTo prevent the immune system from attacking healthy cells
- DTo prevent the immune system from attacking normal flora
11Which cells expressed CD8?
- AT killer cells
- BT helper cells
- CT regulatory cells
- DPlasma B cells
12Which cells have the longest life-span?
- AT regulatory cells
- BMemory B cells
- CPlasma B cells
- DT helper cells
13How are antibodies separated into classes?
- ABy their heavy chain
- BBy their light chain
- CBy their constant region
- DBy their variable region
- EBy what sort of pathogen they are against
14What is the function of membrane bound antibodies?
- ARecognise antigens
- BActivate B cells
- CActivate T cells
- DOpsonisation
- ENeutralization of pathogens
15Which type of antibody activates complement?
- AMembrane bound antibodies
- BSecreted antibodies
16Which cells require an antigen presenting cell to activate them?
- AT cells
- BB cells
17Which of the following cells can act as antigen presenting cells?
- ADendritic cells
- BMacrophages
- CNatural killer cells
- DPlasma B cells
- EMast cells
18Which cells express MHCI?
- AAll nucleated cells
- BT helper cells
- CAntigen presenting cells
- DPlasma B cells
- ENatural killer cells
19Which of the following cells recognised MHCII?
- ACD8 cells
- BCD4 cells
20Where within the antigen presenting cell is the MHC produced?
- AEndoplasmic reticulum
- BGolgi body
- CRibosome
- DNucleus
21Where is the MCHII complex combined with the antigenic peptides?
- AEndosome
- BEndoplasmic reticulum
- CGolgi body
- DVesicle
22The T cell is activated when it detects the MHC-antigen complex. True or false?
- AVerdadero
- BFalso
23Which types of hypersensitivity reaction are mediated by antibodies?
- AI
- BII
- CIII
- DIV
24Which type of hypersensitivity reaction is mediated by IgE?
- AI
- BII
- CIII
- DIV
25Which of the following are examples of hypersensitivity reactions that are mediated by IgE?
- AAsthma
- BPollen allergy
- CSLE
- DMyasthenia Gravis
- EGrave's disease
- FType I diabetes
- GPsoriasis
26In a type I hypersensitivity reaction, what needs to happen to the antibodies on repeat exposure for there to be a hypersensitivity reaction?
- AClonal expansion
- BCross-linking
- CBreaking of the disulphide bonds
- DDimer formation
27Grave's disease is an example of a type II hypersensitivity reaction. What are type II hypersensitivity reactions mediated by?
- AIgE
- BAntibodies other than IgE
- CT helper cells
- DT cytotoxic cells
- ENatural killer cells
28What is another example of a type II hypersensitivity reaction?
- AMyasthenia Gravis
- BAsthma
- CType I diabetes
- DSLE
- ECoeliac disease
29How do the antibodies in type II hypersensitivity reactions cause disease?
- AThey block the receptor
- BThey activate the receptor
- CThey destroy the receptor
- DThey act as inverse agonists
30In which type of hypersensitivity reaction after immune complexes formed?
- AI
- BII
- CIII
- DIV
31Why are immune complexes a problem?
- ABecause they can get stuck in the body
- BBecause they promote autoimmune destruction of cells
- CBecause they promote other hypersensitivity reactions
- DBecause they increase the viscosity of blood which can cause thrombosis
- EBecause they cause lymphadenopathy
32Antibodies in immune complexes can activate complement. True or false?
- AVerdadero
- BFalso
33What are type IV hypersensitivity reactions mediated by?
- AT helper cells
- BAntibodies other than IgE
- CIgE
- DT killer cells
34Which of the following are examples of type IV hypersensitivity reactions?
- ACoeliac disease
- BType I diabetes
- CSLE
- DAsthma
- EHaemolytic disease of the new born
35How do T helper cell cause hypersensitivity reactions?
- ACytokine production that activates macrophages and T cytotoxic cells
- BActivation of natural killer cells
- CActivation of mast cells causing release of histamine
- DFormation of immune complexes which activate complement
Información
- Descripción
- Infection and Immunity Test sobre The Adaptive Immune System , creado por m p el 15/06/2015.
- Autor
- m p
- Idioma
- English
- Visitas
- 73
- Etiquetas
- Valoración
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