Difference between revisions of "Immunoglobulins Flashcards"
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− | + | ===Immunoglobulins Structure and Function=== | |
− | | | + | <FlashCard questions="8"> |
− | | | + | |q1=What are immunoglobulins also known as? |
− | | | + | |a1=Antibodies |
− | | | + | |l1=Immunoglobulins#Introduction |
− | | | + | |q2=How many domains does the heavy chain have? |
− | | | + | |a2= |
− | + | *1 variable domain | |
+ | *3 or 4 constant domains | ||
+ | |l2=Immunoglobulins#Structure | ||
+ | |q3=How many domains does the light chain have? | ||
+ | |a3= | ||
+ | *1 variable domain | ||
+ | *1 constant domain | ||
+ | |l3=Immunoglobulins#Structure | ||
+ | |q4=What are hypervariable domains? | ||
+ | |a4= | ||
+ | *Folded pockets of the variable domain into which antibody can bind | ||
+ | *Different antibodies have different amino acid sequences within the three variable domains | ||
+ | |l4=Immunoglobulins#Structure | ||
+ | |q5=What does Fab stand for and from which chain is it generated? | ||
+ | |a5= | ||
+ | *Fragment associated with antigen binding | ||
+ | *Light chain | ||
+ | |l5=Immunoglobulins#Structure | ||
+ | |q6=What does Fc stand for and from which chain is it generated? | ||
+ | |a6= | ||
+ | *Constant fragment | ||
+ | *Heavy chain | ||
+ | |l6=Immunoglobulins#Structure | ||
+ | |q7=What does the Fc fragment do? | ||
+ | |a7=Mediates phagocytosis | ||
+ | *Triggers inflammation | ||
+ | *Targets Ig to certain tissues | ||
+ | |l7=Immunoglobulins#Structure | ||
+ | |q8=What are the four major effects of antibodies? | ||
+ | |a8= | ||
+ | *Blockage and agglutination | ||
+ | *Promotion of phagocytosis | ||
+ | *Degranulation of mast cells/eosinophils | ||
+ | *Complement Fixation | ||
+ | |l8=Immunoglobulins#Function | ||
+ | </FlashCard> | ||
+ | ===Classes of Immunoglobulin=== | ||
+ | <FlashCard questions="14"> | ||
+ | |q1=How do the five classes of immunoglobulins vary from each other? | ||
+ | |a1=They each have a different composition to their heavy chains | ||
+ | |l1=Immunoglobulins#Classes | ||
+ | |q2=IgA is specially adapted for function at which type of surface? | ||
+ | |a2=Mucosal surfaces | ||
+ | |l2=Immunoglobulin A | ||
+ | |q3=True or False: IgA is a monomer | ||
+ | |a3= | ||
+ | *False | ||
+ | *IgA is a dimer | ||
+ | |l3=Immunoglobulin A#Structure | ||
+ | |q4=What are the functions of IgA? | ||
+ | |a4= | ||
+ | *Prevents agents from adhering to the epithelial surfaces as it binds to foreign antigen | ||
+ | *Resists proteolytic digestion so can function in the gut | ||
+ | *Does not activate the complement system so helps to preserve mucosal integrity | ||
+ | |l4=Immunoglobulin A#Function | ||
+ | |q5=In which species has IgD been identified? | ||
+ | |a5= | ||
+ | *Ruminants | ||
+ | *Pigs | ||
+ | *Dogs | ||
+ | *Rodents | ||
+ | |l5=Immunoglobulin D#Function | ||
+ | |q6=What is the main function of IgD? | ||
+ | |a6=Helps B cell development | ||
+ | |l6=Immunoglobulin D#Function | ||
+ | |q7=True or False: IgE is not a soluble antibody? | ||
+ | |a7=True | ||
+ | |l7=Immunoglobulin E | ||
+ | |q8=What are the functions of IgE? | ||
+ | |a8= | ||
+ | *Triggers acute inflammation by causing degranulation | ||
+ | *Involved in type I hypersensitivity reactions | ||
+ | *Involved in producing immunity to parasitic worms and nematode parasites | ||
+ | |l8=Immunoglobulin E#Function | ||
+ | |q9=True or False: IgG is the smallest antibody and can easily leave the plasma and enter tissue? | ||
+ | |a9=True | ||
+ | |l9=Immunoglobulin G | ||
+ | |q10=Where is IgG produced? | ||
+ | |a10=Bone marrow | ||
+ | *Spleen | ||
+ | *Lymph nodes | ||
+ | |l10=Immunoglobulin G#Production | ||
+ | |q11=What is the function of IgG? | ||
+ | |a11=Activates the classical pathway of the complement cascade | ||
+ | *Can act as targets for macrophages, eosinophils and [[Neutrophils|neutrophils]] | ||
+ | *Causes agglutination and opsonisation of bacteria | ||
+ | |l11=Immunoglobulin G#Function | ||
+ | |q12=True or False: IgM is a monomer | ||
+ | |a12= | ||
+ | *True | ||
+ | *But it is secreted as a pentamer | ||
+ | |l12=Immunoglobulin M#Structure | ||
+ | |q13=IgM is five times larger than most other antibodies. What effect does this have on its function? | ||
+ | |a13= | ||
+ | *Cannot cross the placenta | ||
+ | *Does not diffuse quickly or enter tissues readily | ||
+ | *Its concentration in extracellular fluid and lymph is low | ||
+ | |l13=Immunoglobulin M#Production | ||
+ | |q14=What are the main functions of IgM? | ||
+ | |a14= | ||
+ | *Complement activation | ||
+ | *Agglutination | ||
+ | *Opsonisation | ||
+ | *Virus neutralisation | ||
+ | |l14=Immunoglobulin M#Function | ||
+ | </FlashCard> | ||
+ | ===Immunoglobulins Variation=== | ||
+ | <FlashCard questions="6"> | ||
+ | |q1=Which genes code for the immunoglobulin subtypes and on which chain are they located? | ||
+ | |a1= | ||
+ | *IGH genes | ||
+ | *Heavy chain | ||
+ | |l1=Immunoglobulins#Variation | ||
+ | |q2=Complete the sentences about IgG subtypes: | ||
+ | <p>Humans and rodents have ??? IgG subtypes. Dogs have ??? IgG subtypes. Ruminats have ??? IgG subtypes.</p> | ||
+ | |a2= | ||
+ | *four | ||
+ | *three | ||
+ | *three or four | ||
+ | |l2=Immunoglobulins#Variation | ||
+ | |q3=What are allotypes? | ||
+ | |a3= | ||
+ | *Differences in immunoglobulins between individuals of a particular species | ||
+ | *Allotypes are inheritable | ||
+ | |l3=Immunoglobulins#Allo & Idiotypes | ||
+ | |q4=What are idiotypes? | ||
+ | |a4=Variations in the sequences of amino acids in the variable regions of the light and heavy chains | ||
+ | |l4=Immunoglobulins#Allo & Idiotypes | ||
+ | |q5=What is immunoglobulin heavy chain switching? | ||
+ | |a5= | ||
+ | *After antigenic exposure the IgM+ B-cells differentiate | ||
+ | *Only after direct influence of T cells | ||
+ | *Other classes of immunoglobluins are synthesised | ||
+ | *The same varibale domains are kept | ||
+ | |l5=Immunoglobulins#Immunoglobulin Class Switching | ||
+ | |q6=How do different classes of antibody differ from each other? | ||
+ | |a6= | ||
+ | *Size | ||
+ | *Charge | ||
+ | *Amino acid composition | ||
+ | *Associated carbohydrate | ||
+ | *Function | ||
+ | |l6=Immunoglobulins#Immunoglobulin Class Switching | ||
+ | </FlashCard> | ||
− | + | <br><br> | |
− | + | {{Jim Bee 2007}} | |
− | + | [[Category:Immunology Flashcards]] | |
− | + | [[Category:Immunoglobulins]] | |
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Latest revision as of 16:00, 16 March 2012
Immunoglobulins Structure and Function
Question | Answer | Article | |
What are immunoglobulins also known as? | Antibodies
|
Link to Article | |
How many domains does the heavy chain have? |
|
Link to Article | |
How many domains does the light chain have? |
|
Link to Article | |
What are hypervariable domains? |
|
Link to Article | |
What does Fab stand for and from which chain is it generated? |
|
Link to Article | |
What does Fc stand for and from which chain is it generated? |
|
Link to Article | |
What does the Fc fragment do? | Mediates phagocytosis
|
Link to Article | |
What are the four major effects of antibodies? |
|
Link to Article |
Classes of Immunoglobulin
Question | Answer | Article | |
How do the five classes of immunoglobulins vary from each other? | They each have a different composition to their heavy chains
|
Link to Article | |
IgA is specially adapted for function at which type of surface? | Mucosal surfaces
|
Link to Article | |
True or False: IgA is a monomer |
|
Link to Article | |
What are the functions of IgA? |
|
Link to Article | |
In which species has IgD been identified? |
|
Link to Article | |
What is the main function of IgD? | Helps B cell development
|
Link to Article | |
True or False: IgE is not a soluble antibody? | True
|
Link to Article | |
What are the functions of IgE? |
|
Link to Article | |
True or False: IgG is the smallest antibody and can easily leave the plasma and enter tissue? | True
|
Link to Article | |
Where is IgG produced? | Bone marrow
|
Link to Article | |
What is the function of IgG? | Activates the classical pathway of the complement cascade
|
Link to Article | |
True or False: IgM is a monomer |
|
Link to Article | |
IgM is five times larger than most other antibodies. What effect does this have on its function? |
|
Link to Article | |
What are the main functions of IgM? |
|
Link to Article |
Immunoglobulins Variation
Question | Answer | Article | |
Which genes code for the immunoglobulin subtypes and on which chain are they located? |
|
Link to Article | |
Complete the sentences about IgG subtypes:
Humans and rodents have ??? IgG subtypes. Dogs have ??? IgG subtypes. Ruminats have ??? IgG subtypes. |
|
Link to Article | |
What are allotypes? |
|
Link to Article | |
What are idiotypes? | Variations in the sequences of amino acids in the variable regions of the light and heavy chains
|
Link to Article | |
What is immunoglobulin heavy chain switching? |
|
Link to Article | |
How do different classes of antibody differ from each other? |
|
Link to Article |
Originally funded by the RVC Jim Bee Award 2007 |