Express the following common fractions as percents

When using the irrigation method of intraocular foreign body removal the solution should be directed from the:

A. superior to inferior portion of the eye. B. inferior to superior portion of the eye. C. medial to lateral portion of the eye. D. lateral to medial portion of the eye.

Which of these statements regarding acceptable alterations of radiographic technique is FALSE?

a. Position the image receptor with the posterior edge a greater distance from the lingual surfaces of the teeth. b. Position the image receptor perpendicular to the embrasures of the teeth of interest. c. Expose two radiographs utilizing two different horizontal angles in the same region. d. Redirect the horizontal angle to intersect the image receptor from the distal to avoid canine-premolar overlap.