Summary SPI Board Exam Review (GB) Complete Exam Questions & Answers

Summary SPI Board Exam Review (GB) Complete Exam Questions & Answers-———— is the reciprocal of period. A inverse period B prp C frequency D propagation period - C. A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? - 10 A force is applied to a surface. If the force is tripled and the surface area over which the force is applied is also tripled, what is the new pressure? A. three times larger than the original B. one third of the original C. six times more than the original D. unchanged – D A pair of waves are in phase. What occurs when these waves interfere? A reflection B constructive interference C refraction D destructive interference - B A particle within a transverse wave is traveling vertically. What is the direction of the wave's propagation? A horizontal B vertical C can not be determined - A A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5. How much flour is in the bag? - 30 pounds A sonographer adjusts the output power of the wave emitted by the transducer. Which of the following also changes? A PRP B PRF C propagation speed D intensity - D A sonographer measures the perimeter of an anatomical structure. Which of the following choices is a reasonable value for the measurement? A. 6 cm2 B. 5 cc C. 15 mm D. 18 dB - 15mm All of the following statements are true about sound waves EXCEPT: A they are mechanical B they are transverse C they carry energy from place to place D they generally travel in a straight line - B Are the motion of particles in the wave an acoustic variable? - Yes As an ultrasound wave travels through the body, its amplitude usually: A. decreases B. increases C. remains the same D. cannot be determined - A