Immunology Questions

Type 2 allergy is <?> dependent hypersensitivity such as hemolytic anemia

The patients with SCID (sever combined immunodeficiency) needs a sterile environment, and may be treated with <?> and <?>

Positive for <?> test suggests previous or current infection with virus

IgG has <?> such as IgG1, G2, G3, and G4 with different functions

Basedow disease is caused by <?> autoantibody which stimulates <?> on thyroid glands, leading hyperthyroidism.

Tregs inhibity DCs via <?> and secrete immunosuppressive cytokines such as <?>

CD4+ helper T cells promote activation and differentiation of B cells for <?> production and of cytotoxic T cells and macrophages for <?>

Positive for viral <?> test suggests current infection with virus

Anergy (antigen specific unresponsiveness) is induced in autoreactive T cells by encountering antigen presenting cells without <?> expression

Immediate injection of <?> is important for a patient having anaphylaxis

Disorders of immunological tolerance may cause <?> diseases

Vasoactive substances may cause dilation of blood vessels and hypotensive shock. (<?>)

Immune disorders are involved in inflammatory bowel diseases such as <?> and <?>

Allergens induce specific Th2 cells producing <?>,<?>, and <?>. <?> promotes class switch of Bcells to prodcues IGE. Allergen specific IgE binds to high affinity Fcε receptors on <?>

Type 4 allergy is <?> hypersensitivity such as contact dermatitis and <?> (48h) may be used for diagnosis

T cells encounter medullary thymic epithelial cells (mTEC) and T cells with <?> avidity TCR for self peptide/MHC complexes die (negative selection)

Myasthenia gravis is caused by <?> autoantibody which block <?> receptor at neuromuscular junction, leading to problems of muscle movement.

<?> diabetes may be caused by autoimmunity

Autoreactive T cells in peripherals are inhibited by <?>

Cytotoxic T cells (CTLs) are mainly Cd8 positive, and kill virus infected cells and cancer cells. by using <?> and <?>