Podcast
Questions and Answers
Which receptor does histamine act through to contract bronchial smooth muscles?
Which receptor does histamine act through to contract bronchial smooth muscles?
- H2 receptor
- H3 receptor
- H1 receptor (correct)
- H4 receptor
What is the result of histamine acting through H2 receptors?
What is the result of histamine acting through H2 receptors?
- Bronchial constriction
- Vasodilation
- Decreased gastric acid secretion
- Increased gastric acid secretion (correct)
What tends to produce higher quantities in atopic individuals?
What tends to produce higher quantities in atopic individuals?
- IgM
- IgA
- IgE (correct)
- IgG
What causes Type II (tissue-specific) hypersensitivity reactions?
What causes Type II (tissue-specific) hypersensitivity reactions?
What causes Type III (immune complex–mediated) hypersensitivity reactions?
What causes Type III (immune complex–mediated) hypersensitivity reactions?
What are the most likely immune complexes to have severe pathologic consequences?
What are the most likely immune complexes to have severe pathologic consequences?
What can immune complex disease be?
What can immune complex disease be?
What causes Type IV (cell-mediated) hypersensitivity reactions?
What causes Type IV (cell-mediated) hypersensitivity reactions?
Which type of hypersensitivity reaction is mediated through the binding of IgE to Fc receptors on mast cells and cross-linking of IgE by antigens?
Which type of hypersensitivity reaction is mediated through the binding of IgE to Fc receptors on mast cells and cross-linking of IgE by antigens?
What is the most rapid immediate hypersensitivity reaction that can lead to cardiovascular shock?
What is the most rapid immediate hypersensitivity reaction that can lead to cardiovascular shock?
What are allergens?
What are allergens?
Which type of hypersensitivity reaction is characterized by IgE-mediated mechanisms and immediate onset?
Which type of hypersensitivity reaction is characterized by IgE-mediated mechanisms and immediate onset?
Which type of hypersensitivity reaction involves immune complex–mediated mechanisms?
Which type of hypersensitivity reaction involves immune complex–mediated mechanisms?
What are the exaggerated responses against environmental antigens called?
What are the exaggerated responses against environmental antigens called?
What type of response are autoimmunity, alloimmunity, and allergy collectively known as?
What type of response are autoimmunity, alloimmunity, and allergy collectively known as?
Which type of immune deficiencies are caused by genetic defects disrupting lymphocyte development?
Which type of immune deficiencies are caused by genetic defects disrupting lymphocyte development?
What is the clinical hallmark of immune deficiency?
What is the clinical hallmark of immune deficiency?
Which type of infections are most common in individuals with defects of the cell-mediated immune response?
Which type of infections are most common in individuals with defects of the cell-mediated immune response?
What is the range of defects in B-cell function?
What is the range of defects in B-cell function?
What are the most common infections in individuals with defects of the humoral immune response or complement function?
What are the most common infections in individuals with defects of the humoral immune response or complement function?
What are disorders resulting from immune deficiency the clinical sequelae of?
What are disorders resulting from immune deficiency the clinical sequelae of?
What is the failure of mechanisms of self-defense to function in their normal capacity called?
What is the failure of mechanisms of self-defense to function in their normal capacity called?
Which condition is characterized by complete or partial lack of the thymus and parathyroid glands, and the presence of cardiac anomalies?
Which condition is characterized by complete or partial lack of the thymus and parathyroid glands, and the presence of cardiac anomalies?
Which condition results in total lack of T-cell function and a severe lack of B-cell function?
Which condition results in total lack of T-cell function and a severe lack of B-cell function?
Which deficiency results in recurrent life-threatening bacterial infections and unusual disseminated infections with Neisseria spp.?
Which deficiency results in recurrent life-threatening bacterial infections and unusual disseminated infections with Neisseria spp.?
What can result in recurrent life-threatening infections such as septicemia and disseminated pyogenic lesions?
What can result in recurrent life-threatening infections such as septicemia and disseminated pyogenic lesions?
What are autoinflammatory disorders characterized by?
What are autoinflammatory disorders characterized by?
What causes acquired immunodeficiencies?
What causes acquired immunodeficiencies?
How are deficient antibody production usually treated?
How are deficient antibody production usually treated?
How are lymphocyte deficiencies usually treated?
How are lymphocyte deficiencies usually treated?
