Welcome to your Radiography Name: Email: [The word part that means “organ” is:] Viscer Megal Trans Emia None . [Which of the following is used to administer nutrition or long-term chemotherapy?] Urinary catheter Chest tube Ventilator Venous catheter None . [What are graphs called that show the relationship between dose of radiation received and incidence of effects?] Nonlinear-nonthreshold effect Linear-nonthreshold effect Radiation-effect curves Dose-response curves None . [If the dose of scatter radiation in fluoroscopy to the radiographer is 10 mGya at a distance of 2 feet from the table, where should the radiographer stand to reduce the dose to 2.5 mGya?] 8 feet from the table 4 feet from the table At the foot of the table Directly behind the fluoroscopist None . [Structure d is the fig. ] Transverse colon Splenic flexure Hepatic flexure Descending colon None Comment . [The structure designated as III is the Fig. ] Ulna Metacarpal Radius Humerus None Comment . [Edge enhancement provides:] Artificial increase in display contrast at an edge of the image Artificial increase in display brightness at an edge of the image Artificial increase in spatial resolution at an edge of the image None . [For an AP projection of the femur:] The lower leg should be rotated laterally 15 degrees The central ray is directed toward the affected joint The patient is prone The lower leg is rotated medially 15 degrees None . [Which bone is located in the wrist, between the lunate and the pisiform?] Scaphoid Hamate Pisiform Triquetrum None . [To ensure consistency of radiographic quality from one exposure to the next, what device may be used?] Electronic timer Automatic collimation Automatic exposure control Falling load generator None . [What condition is a severe inflammation of the colon and rectum with loss of mucosal lining?] Diverticula Ulcerative colitis Pyloric stenosis Adynamic ileus None . [If the air kerma measured 6 feet from the x-ray table is 5 Graya, what is the air kerma measured at a distance of 3 feet?] 20 Graya 10 Graya 1.25 Graya 2.5 Graya None . [Which of the following statements are true concerning myelography? 1. Injection is always performed at the L3-4 interspace 2. Oily, iodinated contrast agent is the medium of choice 3. Indications include herniated intervertebral disks, space-occupying lesions, and degenerative diseases of the CNS 4. Contrast medium is distributed by manual manipulation of the subarachnoid space 5. The head must be kept hyperflexed so that the contrast medium does not enter the cerebral ventricles 6. Spinal fluid may be withdrawn for laboratory analysis] 1, 2, 4 2, 4, 5 1, 2, 3, 5 3, 6 None . [Which of the following results in the production of a photoelectron that is ejected from the atom?] Photoelectric interaction Compton interaction Coherent scatter Pair production None . [The accuracy of the timer must be within:] 10% of the time chosen for exposures over 10 ms 5% of the time chosen for exposures over 10 ms 5% of the time chosen for exposures under 10 ms 10% of the time chosen for exposures under 10 ms None . [What refers to the lifetime accumulated occupational dose?] Annual accumulated effective dose Cumulative effective dose Common effective dose Common medical effective dose None . [Structure K is the fig. ] Fifth metatarsophalangeal joint Navicular Cuboid Second or intermediate cuneiform None Comment . [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 . [Which of the following bones has a temporal process?] Sphenoid bone Ethmoid bone Mandible Zygomatic bone None . [The amount of lead in a grid is referred to as:] Grid frequency Grid ratio Grid radius Grid cleanup ability None . [Which of the following may be used for 3 months at a time?] TLD Film badge Pocket ionization chamber Geiger-Mueller detector None . [Which of the following describes the amount of radiation required to increase the number of mutations in a population by a factor of 2?] Indirect effect Target theory Doubling dose Mutations None . [This item is used to restore the heart to normal rhythm:] Crash cart Suction unit Defibrillator Sphygmomanometer None . [The suffix that means “disease” is:] -osis -pathy -rhaphy -scopy None . [For the lateral projection of the scapula, which of the following statements are true? 1. Patient should be upright to reduce pain 2. Patient is positioned obliquely with unaffected scapula centered to the image receptor 3. The body is adjusted by palpating axillary and vertebral borders of the scapula so that the scapula is lateral 4. Scapula must be projected free of the rib cage] 1, 3, 4 2, 3 3, 4 2, 3, 4 None . [What is the most commonly used AEC?] Phototimer mA meter Ionization chamber Falling load generator None . [Diabetic patients should be scheduled:] Later because of their need for insulin Early because of their need for insulin Just before mealtime Just after mealtime None . [What body type is average build, present in about 35% of the population?] Hypersthenic habitus Sthenic habitus Hyposthenic habitus Asthenic habitus None . [Where is light energy converted to electrons? fig. ] A B C D None Comment . [The speed of x-rays is based on:] mAs kVp Size of the patient The fact that they are a form of electromagnetic radiation None . Time's up
