Preservative tablets act by releasing:

A) formaldehyde. B) chlorohexidine. C) sodium fluoride. D) boric acid.

A

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_____Eardrums

a. TMs b. SCDs c. RLQ d. LFTs

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A transparent ring around a colony of Streptococci in a culture medium that contains blood is the result of ________.

A. hemolysis B. moniliasis C. candidiasis D. pertussis

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