Question V. A patient became ill 7 days ago with a Coxsackie virus A8 infection.

Question

Question V. A patient became ill 7 days ago with a Coxsackie virus A8 infection. You analyze the patient’s antibody responses against Coxsackie virus A8 and discover that most of the antibodies that bind to Coxsackie virus A8 antigens are of the IgM isotype and there is little or no presence other isotypes such as IgG. This observation can be best explained by the fact that the patient [complete the sentence and assess each subsequent statement (40-43) as either factually correct (= “true”) or incorrect

(= “false”)]:
40. is probably predisposed to IgE-mediated hypersensitivity reactions.

41. most likely has an X-linked immune deficiency condition that may prevent developing effective anti-viral immunity.

42. has probably not had a previous infection by this virus.

43. has probably an autoimmune condition that causes elevated B cell secretion of IgM.

Explanation / Answer

40. It may be true.

41. False

42. True

43. True

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