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 IgG synthesis macrophage activation to vesicular pathogens alternative complement activation. TRUE ANSWER : ? YOUR ANSWER : ?
An example of an immunodeficiency disorder is AIDS systemic lupus erythematosus thyroiditis rheumatic fever TRUE ANSWER : ? YOUR ANSWER : ?
The HIV virus infects primarily red blood cells liver cells cells in the immune system brain cells TRUE ANSWER : ? YOUR ANSWER : ?
The primary reason for AIDS, a deadly disease is that it is caused by a bacterium destroys key components of the body's internal defense system causes a breakdown of the body's inflammatory response is caused by a virus TRUE ANSWER : ? YOUR ANSWER : ?
Combined cellular and humoral immune deficiencies result from lack of all of the following except transporter of antigen peptides (TAP) a thymus HIV infection of CD4+ T cells class II MHC TRUE ANSWER : ? YOUR ANSWER : ?
The chemical, typically released by the body in an allergic response is allergens histamine antihistamines perforins TRUE ANSWER : ? YOUR ANSWER : ?
Which of the Rous sarcoma virus has a homologous cellular protein? v-ha-src v-ha-ras v-src c-src TRUE ANSWER : ? YOUR ANSWER : ?
Specific translocations are associated with pancreatic cancer some leukemias colon cancer breast cancer TRUE ANSWER : ? YOUR ANSWER : ?
To treat HIV infections using drugs, the major problem is that the virus particles with altered (mutant) proteases arise the drugs are rapidly degraded the drugs interfere with normal digestion the drugs that are good inhibitors cannot by synthesized 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 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 failure of Th2 cells to provide co-stimulation for B cell isotype switching TRUE ANSWER : ? YOUR ANSWER : ?