Mammography ARRT Review questions with correct answers

Which of the following statements is true? a. compression increase image sharpness by reducing the focal spot size. b. compression decreases subject contrast by reducing the thickness of the penetrating tissue. c. compression increases the uniformity of the breast, making diagnosis easier. d. the compressed breast requires increased peak kilo voltage (kvp) to penetrate the thicker tissue. CORRECT ANSWER-compression increases the uniformity of the breast, making diagnosis easier. The maximum compression force applied to the breast should not exceed. a. 111 N (25 lb) b. 178 N (40 lb) c. 200 N (45 ib) d. none of the above CORRECT ANSWER-none of the above In assessing the degree of compression for any one patient, the technologist should take into consideration. 1. the maximum to which the patient's breast can actually be compressed 2. the amount of compression the patient can tolerate 3. compression that should be just sufficient to immobilize the breast. a. 1 only b. 1 and 2 only c. 1 and 3 only