BLD 204 EXAM 2 QUESTIONS AND DETAILED CORRECT
ANSWERS GRADED A++
T cells
which cell do antigen presenting cells present antigen?
IL-2
which cytokine causes clonal expansion in adaptive immunity?
T helper cells
antibody class switching is influenced by cytokines released by what kind of cells?
IgA
the class of antibody secreted into the mucosal linings of the human body is
DNA
autoantibodies in systemic lupus erythematosus usually target what?
reactive systemic amyloidosis
during the acute phase response, SAA levels increase to 1000x normal. This increases
the risk of what type of amyloidosis?
CD4 + T cells
A B cell is activated and its proliferating clones become both plasma cells and memory
cells. the B cell's interaction with what other cell helped to bring about this response?
type III
hypersensitivity that involved deposition of immune complexes is classified as....?
MHC I
, which cell surface molecules present antigen?
cell mediated immunity
in response to a viral infection, cytotoxic lymphocytes cause infected cells to undergo
apoptosis. this is an example of what
bone marrow
which of the following is a primary lymphoid tissue?
primary immunodeficiency
nellie has a genetic mutation that causes her B cells to fail to develop. she is
susceptible to bacterial infections and is often on antibiotics. Nellie's problem can best
be described as...?
exposure to shared determinants
bill has had a strep throat that went untreated. his body developed an immune response
to the streptococcus that took care of the sore throat. however, the antibodies produced
didn't just bind to the bacteria; they also cross-reacted and attached to some of the cells
in his heart. the resulting condition, called rheumatic fever, is an example of...?
graft versus host disease
john had a bone marrow transplant to treat his Hodgkin's Lymphoma. six months later
he goes to his doctor with jaundice, diarrhea and a skin rash. his physician is concerned
that john may have developed what?
it interferes with IL-2 receptors
how does the immunosuppressive drug Rapamycin work?
CD4 and a choline receptor
what two cell surface proteins are necessary for HIV to enter a cell?
ANSWERS GRADED A++
T cells
which cell do antigen presenting cells present antigen?
IL-2
which cytokine causes clonal expansion in adaptive immunity?
T helper cells
antibody class switching is influenced by cytokines released by what kind of cells?
IgA
the class of antibody secreted into the mucosal linings of the human body is
DNA
autoantibodies in systemic lupus erythematosus usually target what?
reactive systemic amyloidosis
during the acute phase response, SAA levels increase to 1000x normal. This increases
the risk of what type of amyloidosis?
CD4 + T cells
A B cell is activated and its proliferating clones become both plasma cells and memory
cells. the B cell's interaction with what other cell helped to bring about this response?
type III
hypersensitivity that involved deposition of immune complexes is classified as....?
MHC I
, which cell surface molecules present antigen?
cell mediated immunity
in response to a viral infection, cytotoxic lymphocytes cause infected cells to undergo
apoptosis. this is an example of what
bone marrow
which of the following is a primary lymphoid tissue?
primary immunodeficiency
nellie has a genetic mutation that causes her B cells to fail to develop. she is
susceptible to bacterial infections and is often on antibiotics. Nellie's problem can best
be described as...?
exposure to shared determinants
bill has had a strep throat that went untreated. his body developed an immune response
to the streptococcus that took care of the sore throat. however, the antibodies produced
didn't just bind to the bacteria; they also cross-reacted and attached to some of the cells
in his heart. the resulting condition, called rheumatic fever, is an example of...?
graft versus host disease
john had a bone marrow transplant to treat his Hodgkin's Lymphoma. six months later
he goes to his doctor with jaundice, diarrhea and a skin rash. his physician is concerned
that john may have developed what?
it interferes with IL-2 receptors
how does the immunosuppressive drug Rapamycin work?
CD4 and a choline receptor
what two cell surface proteins are necessary for HIV to enter a cell?
