ABO EXAM PRE-TEST/100QUESTIONS AND ANSWERS

150 mm - √Answer :When 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 Quiz :500 mm - √Answer :What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Quiz :Nanometers - √Answer :Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers Quiz :UVC - √Answer :Which of the following has the shortest and therefore most harmful wavelength? A. UVC B. UVB C. UVA D. INFRARED Quiz :Compound one another - √Answer :When 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 Quiz :Plus or minus 3 degrees - √Answer :The 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 Quiz :Thicker temporally - √Answer :A 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 Quiz :Thicker nasally - √Answer :A 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 Quiz :8% - √Answer :An uncoated normal plastic lens will reflect approximately ______% of light. A. 2% B. 4% C. 8% D. 12% Quiz :Biconcave - √Answer :A lens having a minus curve on both front and back is called A. Toric B. Meniscus C. Biconvex D. Biconcave Quiz :50% - √Answer :Give the RX +1.00 +1.00 x 45, how much of the +1.00 cylinder is in the effect at axis 90? A. 100% B. 70% C. 50% D. 0 Quiz :97% if its power - √Answer :80 degrees from the specified axis, a cylinder will show A. 5% of its power B. 10% of its power C. 50% of its power D. 97% of its power Quiz :Hyperope - √Answer :The type of patient often bothered by large magnified eye look is a A. Myope B. Persbyope C. Hyperope D. Emmetrope