One-year-old Matthew always seems to be sick. When his blood is tested, there are no antibodies. The physician concludes that the child is lacking a. the ability to develop an inflammatory response. b. helper T-lymphocytes. c. cytotoxic T-lymphocytes. d. B-lymphocytes.
Added by Michael W.
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First, we know that Matthew is always sick, which suggests that his immune system is not functioning properly. Show more…
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