Immunology exam 2 study UAMS MLT-MLS Questions With Correct Answers.

Immunology exam 2 study UAMS MLT-MLS
Questions With Correct Answers

humoral: |antigen |receptor |- |CORRECT |ANSWER✔✔-B |cell |receptor: |antibody



Humoral: |Contact |w/ |antigen |- |CORRECT |ANSWER✔✔-Bind |AGN |w/ |surface |antibody



Humoral: |Events |afterbinding |w/ |specific |antigen |- |CORRECT |ANSWER✔✔-Clone |w/:Memory |
cells |Plasma |cells



Humoral: |Function |of |effector |cell |- |CORRECT |ANSWER✔✔-Plasma |cell: |Produces |antibodies



Cell |mediated: |Antigen |receptor |- |CORRECT |ANSWER✔✔-T |cell |receptor |(TCR)



Cell |mediated: |Contact |w/ |antigen |- |CORRECT |ANSWER✔✔-APCs |present |AGN |w/inMHC |
molecules



Cell |mediated: |Events |afterbinding |w/ |specific |antigen |- |CORRECT |ANSWER✔✔-Clone |
w/:Memory |cells |Effector |cell



Cell |mediated: |Function |of |effector |cell |- |CORRECT |ANSWER✔✔-Th-Produces |cytokines

Tc-Kills |altered |cells



Origin |of |B |cells: |- |CORRECT |ANSWER✔✔-Hematopoietic |stem |cells



Where |are |B |cells |made? |- |CORRECT |ANSWER✔✔-Bone |marrow

,What |kind |of |lymphopoiesis |does |the |B |cells |have? |- |CORRECT |ANSWER✔✔-antigen-
independent |lymphopoiesis



With |the |maturation |of |lymphocytes, |what |are |the |3 |processes? |- |CORRECT |ANSWER✔✔-
Proliferation

Expression

Selection



What |does |Antigen-independent |lymphopoiesis |mean? |- |CORRECT |ANSWER✔✔-It |does |not |
need |an |antigen |to |activate |or |replicate



What |% |of |peripheral |blood |lymphocytes |are |B |cells? |- |CORRECT |ANSWER✔✔-10-15% |of |
peripheral |blood |lymphocytes



B |cell |CD |marker |CD19 |- |CORRECT |ANSWER✔✔-Signaling |to |regulate |B |cell |development |& |
activation



B |cell |CD |marker |CD20 |- |CORRECT |ANSWER✔✔-Thought |to |be |involved |in |B |cell |activation



B |cell |CD |marker |CD21 |- |CORRECT |ANSWER✔✔-Receptor |for |complement |breakdown |
component



B |cell |CD |marker |CD25 |- |CORRECT |ANSWER✔✔-Found |on |activated |T |& |B |cells; |receptor |for |
interleukin-2 |(IL-2);it |is |a |growth |factor |made |by |T |cells



B |cell |CD |marker |MHC |II |- |CORRECT |ANSWER✔✔-Found |on |B |cells; |Interact |w/ |Th |cells |(T-
helper); |present |on |all |stages |except |on |plasma |cell

can |be |an |antigen |presenting |cell |(APC) |for |a |T-helper |cell

, B |cell |CD |marker |MHC |I |- |CORRECT |ANSWER✔✔-Found |on |all |nucleated |cells



B |cell |CD |marker |CD |45R |- |CORRECT |ANSWER✔✔-Found |on |all |hematopoietic |cells; |involved |in
|activation




CD16 |- |CORRECT |ANSWER✔✔-on |NK |cells |binds |Fc |of |IgG



CD56 |- |CORRECT |ANSWER✔✔-unique |marker |for |NK |cells



What |NKs |CD |marker |produces |more |cytokines |and |help |support |antibody |production |- |
CORRECT |ANSWER✔✔-CD56high



What |is |a |growth |factor |that |is |released |by |T |cells? |- |CORRECT |ANSWER✔✔-Interleukin-2



What |% |of |our |B |cells |will |go |thought |apoptosis? |- |CORRECT |ANSWER✔✔-around |90%



Progenitor |B |cell |(Pro-B |cell) |- |CORRECT |ANSWER✔✔-First |recognizable |cell |in |B-cell |line

Cell |genes |committed |to |formation |of |μ |(mu); |IgM |heavy |chain)

Bone |marrow |stromal |cells |produce |cytokines



Preliminary |B-Cell |(Pre-B |Cell) |- |CORRECT |ANSWER✔✔--μ |heavy |chains |form |and |are |found |in |
cytoplasm

-Cell |genes |committed |to |formation |of |light |chains |(surrogate) |

-μ |heavy |chains |and |surrogate |light |chains |form |Pre-B |receptor |to |stimulate |PROLIFERATION |& |
further |MATURATION