If Class IIMHC is not expressed in the thymus, the resulting immune deficiencies would include all of the following except reduced CD8 T cell-mediated cytotoxicity alternative complement activation. IgG synthesis macrophage activation to vesicular pathogens TRUE ANSWER : ? YOUR ANSWER : ?
Infants are most susceptible to bacterial infection due to low circulating levels of IgG at 0-3 months of age in utero (before birth) at 3-12 months of age at 12-24 months of age TRUE ANSWER : ? YOUR ANSWER : ?
To treat HIV infections using drugs, the major problem is that the drugs interfere with normal digestion the virus particles with altered (mutant) proteases arise the drugs are rapidly degraded the drugs that are good inhibitors cannot by synthesized TRUE ANSWER : ? YOUR ANSWER : ?
DiGeorge's syndrome is characterized by the lack of a thymus The mouse model closest to this human disease would be a nude mouse knock-out mouse for RAG-1 and RAG-2 recombinant mouse for CD3 knock-out mouse for a thymus TRUE ANSWER : ? YOUR ANSWER : ?
A monoclonal antibody (mAb) specific for the 2,4-dinitrophenyl (DNP) hapten might also bind His or Pro Ser or Thr Tyr or Phe Leu or Ileu TRUE ANSWER : ? YOUR ANSWER : ?
Retinoblastoma is due to a mutation in a kinase viral gene cyclin tumor supressor TRUE ANSWER : ? YOUR ANSWER : ?
The HIV virus infects primarily cells in the immune system liver cells red blood cells brain cells TRUE ANSWER : ? YOUR ANSWER : ?
A selective IgA deficiency would be expected to result in problems with pathogens which can survive inside macrophages infections following dental work due to bacteria entering the bloodstream bacterial infections mucosal pathogens TRUE ANSWER : ? YOUR ANSWER : ?
An example of an immunodeficiency disorder is thyroiditis systemic lupus erythematosus rheumatic fever AIDS TRUE ANSWER : ? YOUR ANSWER : ?
Combined cellular and humoral immune deficiencies result from lack of all of the following except class II MHC a thymus HIV infection of CD4+ T cells transporter of antigen peptides (TAP) TRUE ANSWER : ? YOUR ANSWER : ?