ABO EXAM PRE-TEST Questions and Answers 100% Correct

150 mmWhen ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mmWhat is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters NanometersWavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVCWhich of the following has the shortest and therefore most harmful wavelength? A. UVC B. UVB C. UVA D. INFRARED Compound one anotherWhen two light wavesw are in "in phase" they will A. Destroy on another B. Reduce each front by half C. Compound one another D. None of the above Plus or minus 3 degreesThe cylinder axis tolerance for a 1.00D cylinder according to ANSI Z80.1 is A. Plus or minus 7 degrees B. Plus or minus 5 degrees C. Plus or minus 3 degrees D. Plus or minus 2 degrees Thicker temporallyA plus lens decentered "out" will result in a finished lens which is A. Balanced B. Thicker temporally C. Thicker nasally D. Uniform in edge thickness Thicker nasallyA minus lens decentered "out" will result in a finished lens which is A. Balanced B. Thicker temporally C. Thicker nasally D. Uniform in edge thickness 8%An uncoated normal plast