84. Interferes with thyroid hormones important for uptake of A. Myasthenia Gravi

Question

84. Interferes with thyroid hormones important for uptake of A. Myasthenia Gravis B. Hashimoto's thyroiditis C. Grave's Disease D. Rheumatoid arthritis 85. The effects of histamine in allergic reactions of the following histamine receptors? are primarily attributable to its binding which A. Hi B. H2 ?.H3 D. H E. None of the above 86. Which of the following is NOT a result of histamine binding to histamine receptor A. Intestinal smooth muscle contraction B. Suppression of mast-cell degranulation C. Increased vascular permeability D. Increased mucous secretion E. All of the above result from histamine binding H, 87.Main chemical mediators responsible for producing mucus in an allergic reaction A. histamines B. leukotrienes C. prostaglandins D. bradykinins of has been found 88. In eczema a high level A. platelets B. IgG C. eosinophils D. IgM E. none of the above 89.The Arthus reaction is considered to be which of the following hypersensitivity types? A. Type I hypersensitivity B. Type II hypersensitivity C. Type III hypersensitivity D. Type IV hypersensitivity E. All of the above

Explanation / Answer

84) The correct option is C. Graves' disease.

Graves' disease is an autoimmune disease, which affects the thyroid. It is the most common cause of hyperthyroidism. It results in an enlarged thyroid.

85) The correct option is A. H1.

The H? receptor is a histamine receptor is activated by the biogenic amine histamine.

86) The correct option is B. Suppression of mast cell degranulation.

Suppression of mast cell degranulation is not a result of histamine binding to histamine receptor H1.

87) The correct option is A. histamine.

Histamine is involved in the inflammatory response. It plays as a mediator of itching. It is responsible for production mucus in an allergic reaction.

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