RAD 101, Chapter 23: Mammography Questions and Answers Rated A

Document Content and Description Below

RAD 101, Chapter 23: Mammography Questions and Answers Rated A The overall most common cause of death in women is: a. breast cancer b. lung cancer c. ovarian cancer d. auto accidents ✔✔Lung ... cancer The mean glandular dose for a typical two-projection mammogram done using a screen/IR is: a. 100 mrad b. 320 mrad c. 400 mrad d. 450 mrad ✔✔320 mrad The most common material used for the target in mammography tubes is: a. vanadium b. rhodium c. tungsten d. molybdenum ✔✔Molybdenum Which projections of the breast are routinely performed during screening mammography? 1.) lateral 2.) craniocaudal 3.) mediolateral oblique a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 ✔✔2 and 3 Which of the following is true regarding the radiographic examination of the breast? 1.) imaging the posterior breast tissue is critical 2.) use vigorous compression to produce a uniform breast thickness 3.) perform positioning of the breast consistently so that lesions can be accurately localized a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 ✔✔1, 2, and 3 The pectoral muscle is seen on the craniocaudal projection of the breast in what percentage of patients? a. 20% b. 30% c. 50% d. 75% ✔✔30% Which of the following is true regarding the craniocaudal image of the breast? 1.) the nipple should be in profile and at midline 2.) all of the medial breast tissue should be shown 3.) the marker should be positioned along the medial side a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 ✔✔1 and 2 For the craniocaudal projection of the breast, the IR holder should be raised to the level of the: a. nipple b. axillary tail c. pectoral muscle d. inframammary fold ✔✔inframammary fold What is the angle of the central ray for the mediolateral oblique projection of the breast? a. 25 degrees b. 45 degrees c. 30 to 60 degrees, depending on the angle of the pectoral muscle d. 45 to 50 degrees, depending on the angle of the pectoral muscle ✔✔30 to 60 degrees, depending on the angle of the pectoral muscle Which of the following is true regarding the mediolateral oblique projection of the breast? 1.) the central ray enters the superomedial aspect of the breast 2.) the marker is placed along the lower border of the breast 3.) the breast should not droop on the image a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 ✔✔1 and 3 Which of the following describes the placement of the IR holder for the mediolateral oblique projection of the breast? a. the superior border is level with the axilla b. perpendicular to the pectoral muscle c. parallel with the anterior aspect of the affected upper arm d. parallel with the line drawn from the axilla to the xiphoid ✔✔the superior border is level with the axilla Which projection of the breast is performed if the lateral breast tissue is not all seen on the craniocaudal projection? a. axillary b. caudocranial c. exaggerated craniocaudal d. craniocaudal (cleavage view) ✔✔exaggerated craniocaudal How many projections are required for a complete examination of both breasts on a patient who has implants? a. 4 b. 8 c. 4, depending on the patient's age d. 8, depending on the patient's age ✔✔8 The method used to image the breasts of women who have had implants is the: a. Towne b. Eklund c. Stecher d. Lawrence ✔✔Eklund MRI is commonly used in mammography for imaging: a. male patients b. patients older than 75 c. after lumpectomy surgery d. the augmented breast ✔✔the augmented breast In what year did mammography become the only x-ray examination regulated by the federal government? a. 1990 b. 1994 c. 1996 d. 1996 ✔✔1994 Women between the ages of 40 and 49 should have a mammogram how often? a. every 6 months b. once a year c. every 1 to 2 years d. every 3 years ✔✔every 1 to 2 years The first dedicated mammography machine was introduced in what year? a. 1945 b. 1950 c. 1960 d. 1967 ✔✔1967 What type of generators do mammography machines have? a. single-phase b. three-phase c. falling load d. high frequency ✔✔high frequency The common kVp used in mammography is: a. 20 kVp b. 25 kVp c. 28 kVp d. 30 kVp ✔✔25 kVp For which projection of the breast is the AEC turned off? a. CC with full implant b. CC with displaced implant c. all magnification projections d. mediolateral oblique ✔✔CC with full implant For which projections of the breast would minimal compression be used? a. all postsurgery projections b. all magnification projections c. CC and MLO with displaced implant d. CC and MLO with full implant ✔✔CC and MLO with full implant Which of the following is the essential lateral projection of the breast? a. 90 degrees lateromedial b. 90 degrees mediolateral c. 75 to 90 degrees lateromedial d. 75 to 90 degrees mediolateral ✔✔90 degrees mediolateral Which of the following projections of the breast will best demonstrate "milk of calcium"? a. craniocaudal b. mediolateral c. mediolateral oblique d. lateromedial oblique ✔✔mediolateral Which projection is used when the lateral portion of the breast is not well seen on the standard CC projection? a. lateromedial (LM) b. lateromedial oblique (LMO) c. mediolateral oblique (MLO) d. exaggerated craniocaudal (XCCL) ✔✔exaggerated craniocaudal (XCCL) What percentage of patients will develop breast cancer during their lifetime? a. 5% b. 8% c. 12% d. 15% ✔✔12% What percent of nonpalpable lesions in the breast are not malignant? a. 5% b. 8% c. 70% d. 80% ✔✔80% [Show More]

Last updated: 2 years ago

Preview 1 out of 11 pages