The use of a radiographic grid requires

a. attention to central ray angulation.
b. an awareness of the SID.
c. an increase in exposure factors.
d. all of the above

d. all of the above

Health Professions

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A. True B. False

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Which epidermal stratum is the outermost layer?

a. basale b. corneum c. granulosum d. lucidum

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