New Quiz 19 Dec Welcome to your Radiography Name: Email: [The range of receptor exposures that provides a quality image is called:] Detector latitude Exposure latitude Histogram Dynamic range None . [Critique Figure] Radiograph was taken with central ray angled 15 degrees caudad Radiograph was taken with central ray angled 0 degrees Radiograph was taken with central ray angled 15 degrees cephalad Radiograph was taken with MSP perpendicular to central ray None Comment . [The feature of the image intensifier that ensures the radiation dose striking the input phosphor is constant is the:] Photocathode Electron focusing lens Automatic brightness control Vidicon tube None . [The relationship between kVp and receptor exposure may be described as:] Directly proportional Direct, although not proportional Governed by the 15-50 rule Controlled by x-ray tube current None . [The structure designated as III is the fig.] Lamina Spinous process Superior articular process Pedicle None Comment . [What type of joint has opposing surfaces that are convex-concave, allowing great freedom of motion?] Ball-and-socket joint Pivot joint Hinge joint Saddle joint None . [An IR can be a source of infection through:] Droplet transmission Indirect contact Direct contact Airborne transmission None . [The radiograph in Figure illustrates what region?] Genitourinary Cardiovascular Hepatobiliary Gastrointestinal None Comment . [What follows an allergic reaction to foreign proteins?] Anaphylaxis Cardiogenic shock Hypovolemic shock Septic shock None . [For RPO and LPO positions of the kidneys:] The patient is prone, the body is rotated obliquely 30 degrees, the kidney farther from the image receptor is imaged in profile, the kidney nearer the image receptor is imaged in its entirety, and the central ray is perpendicular to the IR The patient is supine, the body is rotated obliquely 45 degrees, the kidney farther from the image receptor is imaged in profile, the kidney nearer the image receptor is imaged in its entirety, and the central ray is perpendicular to the IR The patient is supine, the body is rotated obliquely 30 degrees, the kidney farther from the image receptor is imaged parallel to the image receptor, the kidney nearer the image receptor is imaged perpendicular to the image receptor, and the central ray is perpendicular to the IR The patient is supine, the body is rotated obliquely 30 degrees, the kidney nearer the image receptor is imaged in profile, the kidney farther from the image receptor is imaged in its entirety, and the central ray is perpendicular to the IR None . [Grid frequency is described as the:] Height of the lead strips divided by the distance between the lead strips Distance between the lead strips divided by the height of the lead strips Number of lead strips per inch or centimeter SID at which the grid may be used None . [Which of the following is used to survey an area for radiation detection and measurement?] TLD Film badge Handheld ionization chamber Geiger-Mueller detector None . [Which of the following bones has a temporal process?] Sphenoid bone Ethmoid bone Mandible Zygomatic bone None . [Which of the following states that each cell has a master molecule that directs all cellular activities and that, if inactivated, results in cellular death?] Indirect effect Target theory Direct effect Mutations None . [Linear energy transfer:] Is the same for all types of radiation Is the same for wave and particulate radiations used in diagnosis and treatment Occurs only during x-ray procedures Varies for different types of radiation None . [Smoothing software may result in:] Enhanced fine detail Less distortion Loss of fine detail Increased distortion None . [Which of the following sets of exposure factors would produce an image with the best spatial resolution?] 60 mAs, 80 kVp, 72-inch SID, 4-inch OID 30 mAs, 92 kVp, 40-inch SID, 4-inch OID 120 mAs, 92 kVp, 20-inch SID, 4-inch OID 15 mAs, 100 kVp, 40-inch SID, 4-inch OID None . [Meiosis describes the process of division of what type of cells?] Somatic Cancer Muscle Germ None . [The suffix that means “disease” is:] -osis -pathy -rhaphy -scopy None . [Effective dose limits may be found in what published material?] Dose limit reports NCRP reports Environment Protection Agency reports Health and Human Services reports None . [When you are performing trauma radiography:] Splints, bandages, and cervical collars should be removed so that they do not obstruct the anatomy that must be imaged Remove cervical collars only under the direction of a radiologist Remove cervical collars only under the direction of an emergency department physician or radiologist Splints, bandages, and cervical collars should be removed only after preliminary images have been viewed by a physician so that they do not obstruct the anatomy that must be imaged None . [Structure K is the fig.] Rugae Haustra Pylorus Incisura angularis None Comment . [A reaction at the site of injection of iodinated contrast media may be caused by:] Extravasation of contrast agent Allergy to seafood Anaphylaxis Allergy to certain medications None . [The images on radiologists’ monitors appear:] The same as on radiographers’ monitors In greater detail than on radiographers’ monitors In less detail than on radiographers’ monitors None . [Blood vessels, the bronchial tree, and nerves enter the lungs at this point:] Trachea Left lung Right lung Hilus None . [Atomic mass is represented by the letter:] M A Z Q None . [For purposes of radiation protection, the x-ray beam is filtered. X-ray tubes operating above 70 kVp must have total filtration of:] At least 0.25-mm aluminum equivalent At least 0.25-mm lead equivalent No more than 2.5-mm aluminum equivalent At least 2.5-mm aluminum equivalent None . [Which bone lies along the lateral border of the navicular bone?] Navicular Calcaneus Talus Cuboid None . [What condition is characterized by the degeneration of one or several joints?] Trimalleolar fracture Giant cell myeloma Osteoarthritis Pott fracture None . [Arthrography is increasingly being replaced by what imaging modality?] CT Diagnostic ultrasound PET scanning MRI None . Time's up
