What type of cell is used to overcome the problems with serum use? A) Hybridoma

Question

What type of cell is used to overcome the problems with serum use? A) Hybridoma cells B) Antigen Presenting Cells C) Helper T Cells D) Cytotoxic T Cells The ability to use the cell identified in the question above results in the production of which of the following? A) Antiviral protein B) Monoclonal antibodies C) Interferons D) Complement Adding known antibodies to detect the present of antigen is what type of immune test? A. Direct B. Indirect C. Active D. Passive What is used to label the anti-antibodies in an indirect ELISA test? A. Fluorescent antibody B. Enzyme C. Colored dye D. None of the above What type of immune test is used to detect the presence of patient antibodies against a number of microbial proteins? A. Ouchterlony test B. Western blot test C. Fluorescent antibody test D. ELISA What type of immune test is used to confirm that a patient has been infected with HIV? A. Ouchterlony test B. Western blot test C. Fluorescent antibody test D. ELISA An infant feeding on the mother's breast milk leads to what type of immunity? A) Naturally Acquired Passive Immunity B) Artificially Acquired Passive Immunity C) Naturally Acquired Active Immunity D) Artificially Acquired Active Immunity Going into Chapter 18, a Type I hypersensitivity is also called which of the following? A) Cell-mediated hypersensitivity B) Humoral hypersensitivity C) cytotoxic hypersensitivity D) Allergy

Explanation / Answer

81. Hybridoma cells( option A) are the ones that are used to produce a known antibody or antiserum.

82. The Monoclonal antibodies( option B) use the hybridoma cell, where the hybridoma cell has the characteristic of both the plasma cell and myeloma cell. This will produce specific antibodies like the plasma cell

83. The correct option would be A ( Direct testing), where a preparation of known antibodies is used to detect an unknown antigen. In indirect testing a known antigen is used to detect an antibody produced against that antigen in any particular disease

84. Option B would suit. The antibody is conjugated with an enzyme,usually Horseradish peroxidase or alkaline phosphatase.

86. Option D i.e, ELISA .

87. Option A. Breast milk provides passive immunity that is naturaaly acquired .IgA antibodies are mailny transferred from mother to the child. It is passive as the immunity is given in the form of readymade antibodies. Active immunity produces its own antibodies,

88. Option D. Its a form of allergic reaction also called as Anaphylaxis, which is mediated by CD4 lymphocytes.Its an immune response

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