The primary reason for AIDS, a deadly disease is that it destroys key components of the body's internal defense system causes a breakdown of the body's inflammatory response is caused by a virus is caused by a bacterium TRUE ANSWER : ? YOUR ANSWER : ?
A selective IgA deficiency would be expected to result in problems with mucosal pathogens bacterial infections infections following dental work due to bacteria entering the bloodstream pathogens which can survive inside macrophages 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 : ?
The chemical, typically released by the body in an allergic response is allergens histamine perforins antihistamines 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 : ?
Specific translocations are associated with some leukemias pancreatic cancer breast cancer colon cancer TRUE ANSWER : ? YOUR ANSWER : ?
The HIV virus infects primarily cells in the immune system red blood cells brain cells liver cells TRUE ANSWER : ? YOUR ANSWER : ?
X-linked hyper IgM syndrome, resulting in high levels of serum IgM and low levels of serum IgG, is caused by a defect in CD40L expression. The specific immune event that would be prevented by a defective CD40L would be failure of Th2 cells to provide co-stimulation for B cell isotype switching failure of B cells to provide co-stimulation for Th2 activation failure of Th2 cells to provide co-stimulation for B cell proliferation activation of B cells by T-independent antigens TRUE ANSWER : ? YOUR ANSWER : ?
Chronic granulomatous disease results from a failure to perform oxidative burst. This deficiency would be most likely to interfere with CTL killing of viruses dendritic cell activation to become a mature APC infected cell processing of virus peptides macrophage intracellular killing of bacteria TRUE ANSWER : ? YOUR ANSWER : ?