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Secondary immunodeficiences are commonly caused by __________.ANSWERB cell and/or antibody deficiencies or defectsan underdeveloped or absent thymusa decline in immune system rigorcomplement protein deficiencies or defects

Question

Secondary immunodeficiences are commonly caused by __________.ANSWERB cell and/or antibody deficiencies or defectsan underdeveloped or absent thymusa decline in immune system rigorcomplement protein deficiencies or defects

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Solution

Secondary immunodeficiencies are commonly caused by several factors. These include:

  1. B cell and/or antibody deficiencies or defects: B cells are a type of white blood cell that produce antibodies. If there is a deficiency or defect in these cells or the antibodies they produce, it can lead to a secondary immunodeficiency.

  2. An underdeveloped or absent thymus: The thymus is an organ that produces T cells, another type of white blood cell that plays a crucial role in the immune response. If the thymus is underdeveloped or absent, it can lead to a secondary immunodeficiency.

  3. A decline in immune system rigor: As we age, our immune system naturally becomes less robust. This decline in immune system rigor can lead to a secondary immunodeficiency.

  4. Complement protein deficiencies or defects: Complement proteins are part of the immune system that help or “complement” the ability of antibodies and phagocytic cells to clear pathogens from an organism. If there is a deficiency or defect in these proteins, it can lead to a secondary immunodeficiency.

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__________, or amount of antibody present in the blood, is __________ during the secondary immune response.ANSWERAntibody titer; greaterAntibody titer; the sameAntibody titer; lowerImmunological memory; lower

The secondary antibody response ... A. prevents disease symptoms from occurring. B. occurs because of cytotoxic T cells. C. produces fewer antibodies than the primary response. D. is slower than the primary response.

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