Question ID:PT10 S1 Q24 Passage:The body of anyone infected by virus X will, after a week, produce antibodies to fight the virus; the antibodies will increase in number for the next year or so. There is now a test that reliably indicates how many antibodies are present in a person’s body. If positive, this test can be used during the first year of infection to estimate to within a month how long that person has had the virus. Stem:Which one of the following conclusions is best supported by the statements above? Correct Answer Choice:EChoice A:Antibodies increase in number only until they have defeated the virus. Choice B:Without the test for antibodies, there is no way of establishing whether a person has virus X. Choice C:Antibodies are produced only for viral infections that cannot be fought by any other body defenses. Choice D:If a person remains infected by virus X indefinitely, there is no limit to the number of antibodies that can be present in the person’s body. Choice E:Anyone infected by virus X will for a time fail to exhibit infection if tested by the antibody test.