2947231
Questão 1
Questão
What triggers the activation of the adaptive immune system?
Responda
-
Pathogen exposure
-
Inflammation
-
Antibody production
-
Phagocytosis
Questão 2
Questão
There are two components of the adaptive immune system. What are they called?
Responda
-
Cellular immune system
-
Humoral immune system
-
Antigenic immune system
-
Cytotoxic immune system
-
Acquired immune system
Questão 3
Questão
What happens to the response of the immune system on each repeated exposure to a pathogen?
Responda
-
It becomes faster
-
It becomes more specific
-
It causes more inflammation
-
It becomes less efficient
-
It involves more components of the immune system
Questão 4
Questão
What cells are involved in humoral immunity?
Responda
-
B cells
-
T cells
-
Natural killer cells
-
Phagocytes
Questão 5
Questão
What cells are involved in cellular immunity?
Responda
-
B cells
-
T cells
-
Phagocytes
-
Natural killer cells
Questão 6
Questão
Which part of the adaptive immune system produced antibodies?
Responda
-
Humoral
-
Cellular
-
Both
Questão 7
Questão
The adaptive immune system is able to remember pathogens in case they present again. True or false?
Responda
- True
- False
Questão 8
Questão
Which cells express CD4?
Responda
-
T helper cells
-
T killer cells
-
T regulatory cells
-
Plasma B cells
Questão 9
Questão
What is the function of T helper cells?
Responda
-
Activate macrophages
-
Help B cells to produce antibodies
-
Remember the pathogen in case of repeat infection
-
Produce antibodies
-
Activate natural killer cells
Questão 10
Questão
Why do we need T regulatory cells?
Responda
-
To control the immune response
-
To ensure the immune response is specific
-
To prevent the immune system from attacking healthy cells
-
To prevent the immune system from attacking normal flora
Questão 11
Questão
Which cells expressed CD8?
Responda
-
T killer cells
-
T helper cells
-
T regulatory cells
-
Plasma B cells
Questão 12
Questão
Which cells have the longest life-span?
Responda
-
T regulatory cells
-
Memory B cells
-
Plasma B cells
-
T helper cells
Questão 13
Questão
How are antibodies separated into classes?
Responda
-
By their heavy chain
-
By their light chain
-
By their constant region
-
By their variable region
-
By what sort of pathogen they are against
Questão 14
Questão
What is the function of membrane bound antibodies?
Responda
-
Recognise antigens
-
Activate B cells
-
Activate T cells
-
Opsonisation
-
Neutralization of pathogens
Questão 15
Questão
Which type of antibody activates complement?
Responda
-
Membrane bound antibodies
-
Secreted antibodies
Questão 16
Questão
Which cells require an antigen presenting cell to activate them?
Responda
-
T cells
-
B cells
Questão 17
Questão
Which of the following cells can act as antigen presenting cells?
Responda
-
Dendritic cells
-
Macrophages
-
Natural killer cells
-
Plasma B cells
-
Mast cells
Questão 18
Questão
Which cells express MHCI?
Responda
-
All nucleated cells
-
T helper cells
-
Antigen presenting cells
-
Plasma B cells
-
Natural killer cells
Questão 19
Questão
Which of the following cells recognised MHCII?
Responda
-
CD8 cells
-
CD4 cells
Questão 20
Questão
Where within the antigen presenting cell is the MHC produced?
Responda
-
Endoplasmic reticulum
-
Golgi body
-
Ribosome
-
Nucleus
Questão 21
Questão
Where is the MCHII complex combined with the antigenic peptides?
Responda
-
Endosome
-
Endoplasmic reticulum
-
Golgi body
-
Vesicle
Questão 22
Questão
The T cell is activated when it detects the MHC-antigen complex. True or false?
Responda
- True
- False
Questão 23
Questão
Which types of hypersensitivity reaction are mediated by antibodies?
Responda
-
I
-
II
-
III
-
IV
Questão 24
Questão
Which type of hypersensitivity reaction is mediated by IgE?
Responda
-
I
-
II
-
III
-
IV
Questão 25
Questão
Which of the following are examples of hypersensitivity reactions that are mediated by IgE?
Responda
-
Asthma
-
Pollen allergy
-
SLE
-
Myasthenia Gravis
-
Grave's disease
-
Type I diabetes
-
Psoriasis
Questão 26
Questão
In a type I hypersensitivity reaction, what needs to happen to the antibodies on repeat exposure for there to be a hypersensitivity reaction?
Responda
-
Clonal expansion
-
Cross-linking
-
Breaking of the disulphide bonds
-
Dimer formation
Questão 27
Questão
Grave's disease is an example of a type II hypersensitivity reaction. What are type II hypersensitivity reactions mediated by?
Responda
-
IgE
-
Antibodies other than IgE
-
T helper cells
-
T cytotoxic cells
-
Natural killer cells
Questão 28
Questão
What is another example of a type II hypersensitivity reaction?
Responda
-
Myasthenia Gravis
-
Asthma
-
Type I diabetes
-
SLE
-
Coeliac disease
Questão 29
Questão
How do the antibodies in type II hypersensitivity reactions cause disease?
Responda
-
They block the receptor
-
They activate the receptor
-
They destroy the receptor
-
They act as inverse agonists
Questão 30
Questão
In which type of hypersensitivity reaction after immune complexes formed?
Responda
-
I
-
II
-
III
-
IV
Questão 31
Questão
Why are immune complexes a problem?
Responda
-
Because they can get stuck in the body
-
Because they promote autoimmune destruction of cells
-
Because they promote other hypersensitivity reactions
-
Because they increase the viscosity of blood which can cause thrombosis
-
Because they cause lymphadenopathy
Questão 32
Questão
Antibodies in immune complexes can activate complement. True or false?
Responda
- True
- False
Questão 33
Questão
What are type IV hypersensitivity reactions mediated by?
Responda
-
T helper cells
-
Antibodies other than IgE
-
IgE
-
T killer cells
Questão 34
Questão
Which of the following are examples of type IV hypersensitivity reactions?
Responda
-
Coeliac disease
-
Type I diabetes
-
SLE
-
Asthma
-
Haemolytic disease of the new born
Questão 35
Questão
How do T helper cell cause hypersensitivity reactions?
Responda
-
Cytokine production that activates macrophages and T cytotoxic cells
-
Activation of natural killer cells
-
Activation of mast cells causing release of histamine
-
Formation of immune complexes which activate complement
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.