B lymphocytes
a. are responsible for antibody-mediated immunity.
b. are activated by thymosin.
c. mature and differentiate into macrophages.
d. bind with foreign antigen in association with self-antigen.
e. are attacked by AIDS virus.
A
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Answer the following statement true (T) or false (F)
Which one of the following concepts would be associated with the assessment of a phonological impairment?
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