Ultrasound Physics Registry ~Edelman (All possible questions with 100% correct answers)

What are the typical dimensional units? (3) correct answers ~Length ~ARea ~Volume What are the units associated with the following: Length Area Volume correct answers Length~cm, feet Area~cm2, ft2 Volume~♥cm3, ft3 What can an ellipse be used to measure? correct answers ♥Area Increase by a factor of______ means: correct answers ♥Multiply by that number Decrease by a factor of _____ means: correct answers ♥Divide by that number When converting units, as the unit gets _______, the number must get _________ correct answers ~larger, smaller What is 0. = correct answers ♥10(-6) What is the meaning, prefix, and symbol of: a. 10(9) b. 10(-6) correct answers ♥a. billion, giga, G b. millionth, micro, ų What is the definition of sound? correct answers ~creates images by sending short bursts of energy into the body. A-♥Define of an acoustic propagation property B-Define Biological Effects: correct answers A-The effects of the medium upon the sound wave. B♥~The effects of the sound wave upon the biological tissue. Sound carries: correct answers ~energy, not matter, from place to place. Sound must travel: correct answers ♥~through a medium Sound is a series of: correct answers ~compressions and rarefactions What are compressions? (2) correct answers ♥~areas of increased pressure & density