A preparation of microorganisms that is administered to produce or artificially increase immunity to a particular disease is known as a:
A. vaccination
B. immunogen
C. prophylactic
D. vaccine
d
Rationale: A vaccine is a preparation of killed microorganisms, live attenuated microorganisms, or living virulent organ-isms that are administered to produce or artificially increase immunity to a particular disease.
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Adjusting the height of an aluminum temporary crown is done by ____________
a. trimming the gingival margin b. using an acrylic bur on the occlusal of the temporary crown c. selecting a short temporary crown d. the height cannot be adjusted